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Parts

$65.00
Looking for a SRAM XO1, X1, GX, and NX chainring with the proven chain retention of our patented Drop-Stop® chainrings? Wolf Tooth has what you need in these beautifully machined 94 BCD bolt-on chainrings. - Fits any 94 BCD SRAM crankset - Drop-Stop® technology. On Wolf Tooth’s patented wide/narrow chainring, the wide side of the tooth has maximum contact on the drive side which spreads the load and improves chainring life. The narrow side allows clearance for mud and debris which reduces friction. - Alternating wide/narrow tooth pattern prevents chain derailment Compatibility: - These rings fit any SRAM mountain bike crankset with a 94 BCD. Note that we also offer SRAM direct mount chainrings for standard, boost and BB30 short spindle cranksets and some stainless steel versions. - If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention) - Chainline - 49mm - Provides a great chainline on most boost bikes. Use Drop-Stop A or B for all 9, 10, and 11spd chains or 12spd SRAM Eagle, KMC, Connex or Wippermann chains DROP-STOP A Wolf Tooth Drop-Stop A is the original patented wide/narrow chainring compatible with multiple drivetrain brands including 9, 10, 11, and 12spd SRAM Eagle, KMC, Wippermann, etc. NOT compatible with 12spd SRAM Transmission (T-Type) Flattop, 12spd Shimano HG+, or 12spd Campy Recommendations - If you plan to ride in very muddy conditions, we recommend a chainguide or chainkeeper in addition to a clutch-type rear derailleur. Without these precautions, you may experience chaindrops and/or chainsuck. Tech Specs: - Weight: 30t • 44g | 32t • 54g | 34t • 63g - Material: 7075-T6 aluminum - Made in the USA - US Patent 958123
$80.00
These chainrings are for Shimano direct mount cranks. The Wolf Tooth chainrings feature our patented Drop-Stop® design for the best wear life, chain retention, and mud clearance. Compatibility: - Shimano XTR M9100, XT M8100, SLX M7100, and Deore M6100 series 12 speed cranksets. - Our chainring offset matches the offset of Shimano chainrings to replicate the intended chainline for the crankset. - Available in multiple tooth profiles for optimal performance based on your chain type. Use Drop-Stop ST for use with Shimano 12-speed Hyperglide+ and 12spd KMC chains. Use Drop-Stop A for all 9, 10, and 11spd chains or 12spd SRAM Eagle, KMC, Connex or Wippermann chains. Drop-Stop B is optimized for SRAM 12 spd Transmission (T-type) and Road Flattop chains but is compatible with all chains that work with Drop-Stop A. DROP-STOP ST - Compatible with 12spd Shimano Hyperglide+ chain and 12spd KMC chain only - Symmetric Trapezoidal (ST) tooth shape is optimized for Shimano HG+ chain Recommendations - If you plan to ride in very muddy conditions, we recommend a chainguide or chainkeeper in addition to a clutch-type rear derailleur. Without these precautions, you may experience chaindrops and/or chainsuck. Tech Specs: - Weight: 32t/66g | 34t/72g | 38t/81g - Material: 7075-T6 aluminum - Made in the USA
$32.00
Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA
$49.00
Shimano H03C Metal Disc Brake Pads keep you in control in any conditions with cooling fins for those endless, grin-inducing descents.. - Fits Saint BR-M820 and Zee BR-M640 calipers - Sintered Metal pad with consistent, high stopping power in wet or dry conditions and excellent durability - Aluminum radiator cooling fins increase pad life and reduce brake fade
$32.00
All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x8 Flat Head Screws
$2.00
Hose fittings for Hayes hydraulic disc brakes available a la carte. Hayes brake compatibility: - HFX-9 - Prime - Sole - El Camino - Radar
$27.00
Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - These hangers DO NOT INCLUDE attachment hardware with the exception of QBP # FS1561 (DROPOUT 399) - CNC machined 6061 aluminum - Made in the USA
$7.00
Attach your IS Mount disc brake brackets with premium SRAM mounting bolts. These bolts are made from stainless steel for a lifetime of use and come with thread-locking compound already applied.
$25.00
Dimension Freewheels are excellent drivetrain component replacements. With smooth shifting performance and durable construction, they'll help breathe new life into older bikes. - A must have in any bicycle service department - One-piece design - Shimano index compatible - Works with most friction shifters - Suitable for use with e-bike drivetrains
$7.00
Compatible with cantilever brakes, Jagwire's Mountain Sport Brake Pads boast Jagwire's tried-and-true all-weather compound for excellent speed control, stopping power and durability.
$39.00
Shimano's Deore XT Front Derailleur sports a lightweight aluminum cage that's chrome plated to reduce wear, and uses wide parallel pivots to provide fast, smooth, and reliable front shifting. This derailleur uses direct mounting and is specifically optimized for 2x10 set ups.
$55.00
Do you love to ride your mountain bike? Love boosting big airs, punishing the trails and your gear? You just want parts that can take a beating and won't let you down — the Chester 35 bar is made for you. These bars will last long after your bones, bruises and scrapes heal up and you're ready to tackle that gap jump that has had your number. - Manufactured from cold drawn, seamless 6061 Aluminum - Shot peened for increased fatigue life - 35 optimized triple butted design
$52.00 $56.00 7% Off
Shimano Deore M6000 CS-HG500-10 10-speed cassette. Combinations: - 11 – 25T: 11-12-13-14-15-17-19-21-23-25T - 12 – 28T: 12-13-14-15-17-19-21-23-25-28T - 11 – 32T: 11-12-14-16-18-20-22-25-28-32T - 11 – 34T: 11-13-15-17-19-21-23-26-30-34T
$100.00
Ergon's SM Sport Gel is an MTB comfort saddle made especially for women, providing comfort with large gel pads in the sitting area. The saddle is best suited for day-rides, all-mountain and enduro, and provides maximum relief in the sensitive genital area, while sliding flanks reduce friction when pedaling and during quick position changes. Sport-oriented comfort padding, a flat rear section, and freedom of movement add versatility and adaptability to the traditional mountain bike position.
$32.00
Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA
$30.00
- Offset grip design provides padding where it is needed most - Half-Waffle pattern for added control - NEW SINGLE CLAMP - Version 2.1 Lock-On System - Soft Pro Compound for excellent shock absorption - Reinforced Soft Ends for Added Durability - Grip Length: 130mm
$25.00 - $30.00
This is the correct plug-and-play wire for Shimano's E-Tube Di2 electric-shifting systems. It comes in sixteen different lengths, so choose the one(s) that's right for your Di2 E-Tube wiring configuration.
$107.00
The radical look and feel of SRAM's X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. They subjected every size of chainring to untold environmental and mechanical tortures, abuse and neglect, in both lab and real-world settings, to come up with a chainring that would augment the Eagle drivetrain’s performance in all conditions. The longer, positive-rake tooth shape has been designed to work perfectly with the Eagle chain to increase chain retention and overall pedaling efficiency, while decreasing friction, noise and wear.
$8.00
Bolt on Avid's 20R Brake Pads for consistent, powerful braking. They're designed for use with linear-pull brakes.
$2.00
Origin-8's 1 1/8-inch Headset Spacers are made of lightweight and durable aluminum and come in 2mm, 5mm or 10mm thicknesses and lots of cool colors to add style to your ride. You get a bag of 10 spacers.
$12.00
Trail riding can be tough on your gear. The ends of your alloy cranks can take a lot of abuse as the trail rushes underneath you and your bike. Protect your cranks from any damage with Race Face crank boots - now made in a smaller version to fit most alloy MTB cranks. Made from a durable Race Face proprietary plastic blend, leave no doubt and go with the originator in crank end protection. Wrap it up and protect the tips. Compatible with: - Race Face - Turbine Cinch - Atlas Cinch - Atlas (24mm Spindle) - Turbine (24mm Spindle) - Aeffect Cinch (175mm length ONLY) - Most other popular alloy MTB cranks (except some alloy DH cranksets)
$125.00
Making its debut on the all-new Roubaix the S-Works Future stem is the stiff lightweight upgrade that your Roubaix has been waiting for. It's compatible with all Future Shocks and our Specialized accessory mount and its sleek design will create a seamless integration. - Sleek & seamless integration with all Future Shocks. - Supremely stiff for responsive handling and feel. - Compatible with the Specialized accesory mount. - 6-degree rise - Length options: 70-140mm - Approximate weight: 145g (100mm)
$46.00
SRAM’s 11-speed chain features heavily chamfered outer plates for improved shifting and quiet running. And, with its great PowerLock connecting link, installation and removal is a snap.
$48.00
Our thickest bar tape is ideal for your next double century, gravel grinder or cyclocross race. Discover why our Pro Tour teams spec this tape for the Spring Classics.
$26.00 - $34.00
• Lightweight seal structure removes grams • Durable anodized finish • Includes left and right hand cups, spacers, inner cover, and inner o-rings • Easy installation with TL-FC25 tool • Compatible with 24mm crank spindles • English, threaded: 68/73mm bottom bracket • Pressfit: BB86/92 bottom brackets
$25.00
Shimano CN-HG71 6/7/8-Speed Chains - 8-speed MTB chain meets durability requirements for e-bike use - Designed for precise Hyperdrive SIS and Dual SIS Index shifting - Includes chain and chain connection pin, or quick link - Links: 116
$86.00
Shimano's flagship disc brake rotor. Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation. - The new arm shape is more robust, leading to quieter operation. - Featuring ICE TECHNOLOGIES and FREEZA; ICE TECHNOLOGIES is a proprietary fabrication technique consisting of a 3-layer aluminum and stainless-steel structure allowing for superior cooling. FREEZA are aluminum/stainless fins that support rapid heat dissipation. Combined you get longer pad life, less brake fade and substantially quieter braking. - The inner aluminum surface of the FREEZA fins is covered with heat-dissipating paint. Providing even more colling performance to reduce brake fade. - Recommended both for road or mountain bike braking systems. - Lock-ring included. - Disc Diameter: 160mm - Hub Compatibility: Center Lock - Disc Pad Type: Metal or Resin - Disc Material: Stainless steel/Aluminum - Disc Technology: Ice-Tech and Freeza - Weight: 114g
$67.00 - $80.00
Shimano's 11-speed SLX cassette features the same computer-designed shift profiles that have made Shimano shifting synonymous with speed and accuracy. - Series: SLX - Average Weight: 467g
$3.00
- Brake casing has internal lining and external plastic coating - Derailleur casing is compressionless with internal lining and external plastic coating
$100.00
Ratchet freehub bodies have a gloss finish and don't have a seal, as this is fixed on the hub shell. The Ratchet System was the first of this type for DT Swiss; used in the mid-range products like the 350 hubs. Includes end cap for 12 x 142 and 12 x 148mm hubs Fits Shimano 12-speed Micro Spline cassettes Crafted from lightweight aluminum Compatible with 12mm thru-axles
$309.00
The Transfer continues the excellent reputation of smooth function and great reliability with an infinitely adjustable height design, and internal or external cable routing options. Low lever force and great modulation make it easy to regulate return speed and small height adjustments. - Cable actuated with tool-free quick disconnect for easier installation and removal - Low lever force provides consistent actuation pressure even with saddle weighted or unweighted - Easy to modulate return speed with lever - Remote lever sold separately Specifications: - Diameter: 30.9 - Travel (mm): 100 mm - Length: 357 mm - Max Height: 255 mm - Min Height: 160 mm - Offset (mm): 0 mm - Actuation: Cable Remote - Cable Routing: Internal - Color: Black - Defined Color: Black - Clamp Style: Std Rails
$14.00
- Wears and functions like other links on the chain - SIL-TEC surface treatment - Tool free installation possible - TL-CN10 is available as SM-CN900-11 - Single use
$140.00
For as long as there've been saddles, women have been having issues with them. But where some see unsolvable problems, we see practical solutions. We spent countless hours performing research and prototyping in order to give you the comfort that you've been rightfully longing for. With our patented design, Mimic technology helps create a saddle that perfectly adapts to your body to give you the support you need. And when you combine this technology with our Power Comp saddle, with its hollow Cr-Mo rails and level II padding for extra comfort, you get a high-performance saddle that's designed to help you perform at your best. It still features all of the Body Geometry design characteristics you know and love, so you can be assured of superior, all-day comfort in any ride position. - Patented Body Geometry design is lab-tested to ensure blood flow to sensitive arteries. - Innovative Mimic technology uses multilayered materials to maintain equilibrium and minimize swelling in soft tissue. - Light, durable, and hollow Cr-Mo rails. - Level II padding: Medium density foam for bike feel with additional cushioning. - SWAT-compatible mounts molded into the saddle base allow for sleek and integrated storage solutions. - Weight: 220g
- Chrome allen seat binder bolt
Kool-Stop's Campi 2000 insert pad was designed to fit Campagnolo systems made after the year 2000. Features: - Patented Plow Tip - Water Grooves - Dove Tail fit - Rim Friendly - Replacement pads for Campagnolo 10-speed groups Black: standard compound designed for dry condition riding Dual: combination of Salmon and Black compounds for more controlled, smoother stopping Carbon 2: updated formula for carbon rims, withstands steep descents with reduced wear Ceramic: This compound was designed for ceramic coated rims and is great in all weather conditions.
Race Face's Ride stem is designed specifically for riders looking for Race Face engineering and quality at a value price point. - Forged and shot peened from 6061 aluminum for high strength and fatigue resistance at a reasonable weight - Four bolt bar clamp holds bar securely in position - Machined logo on bar clamp
$28.00
This direct mount chainring coincides perfectly with the Comet Modular Crank. The megatooth design allows you to put all of your power through without worrying about dropping your chain. - Long tooth profile enhances chain retention - Thick-Thin tooth design for maximum chain engagement - Laser-etched logos
$92.00
The strongest system is a chain with no weak links. Eagle chain links have a smooth radius with no sharp edges or chamfers, which yield a significant reduction in noise, friction, and wear. This design also allows for a flatter plate for more consistent chain riveting and greater overall strength. It's also the biggest contributor to the ultra-smooth, precise, durable, and quiet performance found in the 10-50T cassette and X-SYNC 2 chainrings. Additionally, installation is made easy with a dedicated 12-speed Eagle quick link. - Groundbreaking new chain design and technology - The Eagle chain has been completely re-engineered and is produced with new manufacturing technology. - All-new Eagle Power Lock chain connector with FLOWLINK technology provides better chain-guiding and increased longevity - The Eagle chain is the quietest, strongest, and most wear-resistant chain in the world - Unique features and design also provide significantly improved wear resistance on Eagle cassettes and rings
$90.00
Shimano's Deore Shadow+ Rear Derailleur is loaded with mountain bike technology. The Shadow design tucks the rear derailleur closer in to the wheel, reducing damage from rocks, roots, and trail obstacles. When it comes to gear changes, Shimano's Dyna-Sys supplies consistent, smooth shifting across the entire cassette. And the Shadow+ clutch maximizes chain control by virtually eliminating chain slap and excess noise with its integrated cage-tensioning clutch. - Medium Cage (for 2x10 drivetrains) - Long Cage (for 3x10 drivetrains) - For use with Shimano 10-speed drivetrains - High-efficiency drivetrain for aggressive trail riding - Optimized gear combinations and ratios for trail riding - Maximum chain wrap capacity: 41T (medium cage)/43T (long cage) - Largest cog: 42T (medium cage)/36T (long cage) - Compatible with wide range cassette - Silent and stable for technical trail riding - Improved stability and chain retention longevity - Light shifting effort - OPTISLICK cable - Smooth and precise shifting - DYNA-SYS compatible system
$9.00 - $22.00
Secure your chainrings for your ride with Origin-8's Double/Triple Chainring Bolts. Made for double and triple chainrings, each set includes 5 male/female bolts to securely connect your chain rings to the crank. Available in black and silver, as well as aluminum or steel.
The SRAM DUB bottom bracket series has a simple job- to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard - Significantly lighter than GXP system
$30.00
The Elite Flow grips feature an offset design that provides more padding in certain areas to eliminate the need for a thicker grip. - Single clamp design - Half-waffle pattern on the front of the grip provides extra control when you are off the back of the bike - Length: 130mm
$48.00
Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - These hangers DO NOT INCLUDE attachment hardware with the exception of QBP # FS1561 (DROPOUT 399) - CNC machined 6061 aluminum - Made in the USA
$5.00
- From a long line of tough, light-weight chain engineering from SRAM - Chain connector type: PowerLock - For Use with SRAM 12-Speed Road Chains Only - No tools necessary to install - Chain connector qty/packaging: 4
On today's road bikes, silver stands out amid the sea of stealthy black color schemes. This time-honored color is available on the Zipp Service Course stem. Since the introduction of our line of Service Course and Service Course SL components, we've had amazing success with our pro-level athletes in all disciplines. While the successes have reinforced our design decisions, we have also drawn from their feedback. We not only learned how and why athletes make their equipment choices, but how our manufacturing methods and materials affect product performance. With new knowledge as well as new engineering methods, we are proud to introduce our completely redesigned line of Service Course and Service Course SL stems. - Class-leading stiffness-to-weight ratio - More options for a better fit - New faceplate and geometry for greater stiffness and easier installation - Distinctive silver finish
$30.00
Ergon's GA2 Fat is for riders with large hands or high demands for damping, offering extra thick circumference. The ergonomically optimized form allows reduced force while gripping, because the grip zones are matched to the hand, allowing greater control on demanding trails. The inner construction varies in thickness allowing for greater damping without loss of control. The GA2 Fat has a superb tactile feel, and the super soft, UV-stable rubber compound is exclusively manufactured in Germany for Ergon. The inboard aluminum clamp holds grips securely, allows even more grip area at the end of the bars, and makes these grips carbon-bar friendly. - Length: 136mm - Lock On: Yes - Weight: 135g
Zipps' Vuka Alumina Clip Risers work with the Vuka Alumina Above-Bar Clips (sold separately) and let you raise your armrest height. They're made of sturdy, lightweight aluminum and come in 10mm, 25mm, and 50mm sizes.
$46.00
SRAM's Rival 22 Front Derailleur delivers precision shifting with YAW technology. The steel cage with aluminum links ensures strength and durability. • Yaw cage rotates in line with chain, improving the shifting speed and precision while eliminating the need for shifter trim • Integrated chain spotter protects your frame, installs and adjusts independently of the derailleur itself • Precision alignment markings on the cage • Clamp: braze-on • Weight: 89g with Chain Spotter
$70.00
An essential part of any passenger-carrying system is something they can hold for balance. The Globe Passenger Handlebar bolts to the top of the Haul rear racks to provide passengers of all ages with a comfortable and safe grip. The reversible and versatile design can be mounted anywhere along the rack for a fully customizable setup. **For Globe Haul ST: Use of compatible (1) footrests (pegs), (2) passenger seat, (3) passenger handlebar, and (4) rear wheel cover required to safely carry passengers. All items available separately. ** - Designed for frictionless compatibility with the Globe Haul ST and Haul LT. - All tools required for assembly are included with the purchase of the Haul ST or Haul LT bike.
$27.00
Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - These hangers DO NOT INCLUDE attachment hardware with the exception of QBP # FS1561 (DROPOUT 399) - CNC machined 6061 aluminum - Made in the USA
$18.00
- 6061 Forged Alloy - Made to O.E.M. specifications - Correct hardness to reduce damage to frame upon impact
$35.00
Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA
$27.00
Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA
$40.00
Salsa's Guide Stem is lightweight, durable, and provides excellent steering response on the road or trail. - Bead-blasted, then anodized - 3D-forged for increased strength, then CNC-machined - 4-bolt faceplate design for easy installation - Stack Height: 40
$10.19 - $20.00
Revamp the look of your single speed cranks with some new hardware. Origin-8's Single Chainring Bolts give a high polished look to any crankset. The anodized finish comes in multiple colors to highlight your crank and makes it look as good as you do. You can also choose between steel or aluminum bolts. • Set of 5 male/female bolts • Inside measures 4mm when tightened, 7mm total height
$46.00
The Shimano Deore XT CN-M8100 12-speed chain is optimized for use with the Deore XT M8100 MTB drivetrain system. - HYPERGLIDE+ technology dedicated chain delivers greater chain retention, improved shifting efficiency, and smoother transmission over rough terrain - Extended inner plate improves chain engagement - Reduced shift times and pedaling shock - Includes Non-reusable Shimano Quick-Link (SM-CN910-12) - Links (links): 126 - Color: Silver - Drivetrain Speeds: 12 - Weight: 252 g
$52.00
Shimano's Deore XT Ice-Tech rotors utilize the industry standard 6-bolt mounting system for secure mounting. These rotors use an aluminum core with steel outer plates to better control the temperature of the braking surface. This means quieter braking and, more importantly, less fade on long downhills and improved pad life. The various sizes give you total freedom of choice over the delicate balance of power versus weight.
$48.00
The Koda was refined through two years of feedback from female testers and has evolved into a saddle that even the boys at the office are fighting over. This saddle boasts all-day comfort and a shape that everyone can enjoy. - All-day comfort with a generously open channel dividing supportive outer zones to alleviate pressure on your sensitive bits - Short nose provides seamless on-off transitions while a slightly swooped shape provides an adequate tail to brace against - Steel rails
$132.00
Our premier X-Range gearing; which utilizes tight jumps between chainrings and a 12-speed, wide range, 10-tooth start cassette; is now available for Rival. This includes new cassettes that feature smooth, precise shifting in ranges that cover road, gravel, and everything in between. - X-Range gearing gives you more range and a smoother gear progression, so you're always in the right gear - Nickel chrome plating for quiet and durability - FULL PIN construction for durability and light weight - Designed to work with an XDR driver body