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Parts

Shimano XTR M-9100 Shifter, I-Spec EV
$129.99
Shimano XTR M9100 shifters feature fast and intuitive operation. - Shimano I-Spec shifters mount directly to brakes so no handlebar clamp is needed - Compatible with both 11 and 12-speed drive trains - Right shifter features quicker lever access and light operation force, and is compatible with both 11 and 12-speed drive trains - Left shift features only one shift lever (2-way release)—push lever forward to up-shift; and either push or pull the lever to down-shift
Shimano XTR RD-M9100 Rear Derailleur
$259.99
The RD-M9100 XTR rear derailleur is intended for use with 1x drivetrains. It is compatible with both 11- and 12-speed cassettes. - Decreased rear derailleur tension at low gear position, to prevent high chain tension - Added bumper at rear derailleur pulley cage - Bigger 13T pulley - Direct mount compatible - Compatible cassette size: 10-45 / 10-51 (12-speed), 10-45 (11-speed) - Total capacity: 35t (GS Medium Cage) / 41t (SGS Long Cage)
Serfas DBPA4 MTB Avid Compatible Disc Brake Pads
$20.00
Serfas' DBPA4 MTB Avid Compatible Disc Brake Pads offer long-lasting, reliable braking. They're semi-metallic for durability and made for Avid Elixir hydraulic brakes.
Serfas DBPA5 MTB Avid XO Trail Compatible Disc Brake Pads
$15.00
Serfas' DBPA5 MTB Avid XO Trail Compatible Disc Brake Pads offer long-lasting, reliable braking. They're semi-metallic for durability and made for Avid XO Trail hydraulic brakes.
Serfas DBPS1 MTB Shimano Compatible Disc Pads
$15.00
Serfas' DBPS1 MTB Shimano Compatible Disc Pads offer long-lasting, reliable braking. They're semi-metallic for durability and are compatible with all current Shimano disc brakes.
Serfas DBPS5 MTB 2011 & Newer Shimano Disc Brake Pads
$15.00
Serfas' innovative brake pads provide the ultimate reliable stopping power. - Semi-Metallic For Durability - Compatible With Shimano 2011 and Newer XT, XTR & SLX Brakes - Applicable Hardware Included
Serfas Dual-Density w/Cut-Out
$55.00
With Serfas' high-tech base technology and Infinite Comfort System, the Men’s Dual-Density feels as comfortable as your living-room recliner. The anatomic channel relieves pressure from sensitive areas and the gel padding and shock-absorbing rubber inserts smooth every ride. Plus, the side and nose bumpers protect this saddle from the occasional mishap. • Cutout Base for Soft Tissue Relief • Rails: Steel • Size: 279mm x 171mm • Weight: 565 Grams • Cover: Silk-Tech Lycra
Serfas Elements Dual Density Men's Comfort Saddle
$49.99
With Serfas’ Infinite Comfort System and weather-proof cover, the Men’s Dual-Density Elements saddle absorbs shock to keep you comfortable, while the impermeable cover ensures your saddle stays dry in any condition. The anatomic dip reduces pressure from sensitive areas and the gel layer conforms to your shape. The steel rails dampen vibration and round off the all-weather saddle that will enjoy riding for seasons to come. • Rails: Steel • Size: 279mm x 171mm • Weight: 565 Grams • Cover: Weather-Proof
Serfas Elements Dual Density Women's Comfort Saddle
$49.99
Rain, wind or snow, the Serfas Dual Density Elements saddle saddle can handle it all. The Dual Density Base absorbs vibration while the impermeable cover ensures your saddle stays dry in any condition. An anatomic dip reduces pressure from sensitive areas and the gel layer comforts to your shape so you’ll be comfortable riding for seasons to come. • Rails: Steel • Size: 254mm x 178mm • Weight: 575 Grams • Cover: Weather-Proof
Serfas Elements Reactive Gel Cruiser Saddle Full Suspension
$54.99
Treat yourself to a sublime ride experience with Serfas' full-suspension, Elements Reactive Gel saddle. Its wide base and springs keep you feeling good wherever you pedal. The gel inside conforms to your body for a custom fit while the progressive foam technology gets gradually firmer with increased pressure to increase support without comprising comfort. You'll also love the grooved design that eliminates pressure to sensitive areas and will keep you cruising in ultimate comfort for seasons to come. • Rear spring suspension • Full suspension base • Deep Groove design • Progressive Foam design • Rails: Steel • Size: 260mm x 254mm • Weight: 1,200 Grams • Cover: Weather-proof
Serfas MTB Cleats (SPD-compatible)
$17.00
Serfas' MTB Cleats are durable steel replacement cleats for use with Shimano SPD-compatible clipless pedals and shoes. They offer 4 degrees of float and weigh 73 grams per pair. If your old cleats are Shimano model SH51, SH55 or SH56, these replacements will work. Installation hardware is included.
Serfas Reactive Gel - Women's
$40.00
With Serfas' Women’s Reactive Gel saddle, the only pain you'll feel is the sorrow of having to end your ride. Its unique gel padding molds to fit your anatomy for a perfect fit and the groove in the top eliminates pressure on sensitive areas. Plus, the reflective rear tabs increase your visibility so others know you're on the road too. • Progressive Foam technology • Deep Groove Design • Reflective Rear Tabs • Rails: Steel • Size: 260mm x 178mm • Weight: 555 Grams • Cover: Lycra
Serfas Reactive Gel Saddle
$39.99
The Men’s Reactive Gel is like having your very own custom saddle. The gel padding molds to your anatomy for a perfect fit and the groove in the top eliminates pressure on sensitive areas. Plus, the rear bumper protects this sweet saddle from the occasional mishap. • Deep Groove design • Progressive Foam technology • Sturdy Nylon rear bumper • Rails: Steel • Size: 267mm x 165mm • Weight: 555 Grams • Cover: Lycra
SRAM 3.0 Micro Front Twist Shifter
$14.00
SRAM's 3.0 Twist Shifters are simple to use and offer solid shifting and reliable construction. Using SRAM's 1:1 actuation ratio technology, the 3.0s are easy to set up and easy to adjust. Plus, with a simple twist of the wrist, you can shift all of gears at once. These shifters are indexed to shift three front chainrings, and feature micro-adjustments to keep derailleur alignment perfect.
SRAM Bottom Bracket Adaptor
$38.00
SRAM PressFit 30/English Bottom Bracket Adaptor allows conventional threaded bottom brackets to be installed in a PF30 frame. - Not to be used with internal threaded bottom brackets; compatible with BBs that use two external cups
SRAM CenterLine Rotor with Rounded Edge
$49.00 - $55.00
Stainless steel rotor designed for smooth and quiet braking with any disc brake caliper.
SRAM Centerline Rotor
$44.00 - $55.00
SRAM's Centerline Rotor delivers consistent, quiet and powerful braking. The rotor has a consistent center of friction throughout rotation to minimize vibration, so the only thing you'll notice about your brakes is how well they perform.
SRAM GX 1x11 X-Horizon Rear Derailleur
$115.00 - $130.00
SRAM's GX 1x11 X-Horizon rear derailleur is engineered for smooth, reliable shifting action—from the larger upper pulley offset to the 12-tooth X-Sync pulley wheels. By eliminating unwanted chain movement, this X-Horizon rear derailleur shifts faster, puts an end to ghost shifting, and reduces shift force and chain slap. And with Cage Lock technology, wheel removal and installation are easier than ever. • Long cage • X-Horizon design reduces shift force, ghost shifting, and chain slap • 12-tooth X-Sync pulley wheels • Large upper pulley offset automatically adjusts chain gap • Sealed cartridge bearings • Aluminum Cage
SRAM GX 2x10 Trigger Shifter (Rear)
$50.00
Get sharp, dependable, Exact Actuation shifting with SRAM's GX 2x10 Rear Trigger Shifter. This right-side rear shifter is compatible with SRAM’s GX 2x10-speed components and offers precise, swift shifting across their wide-range 10-speed cassette. • Dedicated 10-speed rear trigger shifter • Multi-position mounting • Aluminum pull lever • MatchMaker X compatible • Weight: 122 grams
SRAM GX 2x11 Trigger Shifter (Rear)
$59.00
Get sharp, dependable X-Actuation shifting with SRAM's GX 2x11 Rear Trigger Shifter. This right-side rear shifter is compatible with SRAM’s 2x11-speed components, offering precise, swift shifting across their wide-range 11-speed cassette. • Dedicated 11-speed rear trigger shifter • Multi-position mounting • Discreet clamp • Aluminum pull lever • MatchMaker X compatible • Weight: 122 grams
SRAM GX Eagle Chain
$40.00
The chain is the heart of the Eagle 1x12 drivetrain, ensuring quiet operation, long life and precise shifting. It features the same link geometry as XX1 Eagle, with solid pins and a more modest finish treatment. - Not for use with front derailleur drivetrains - Links (links): 126 - Drivetrain Speeds: 12 - Chain Connection Type: Single Use Master Link - Half Link Chain: No - Weight: 260 - Compatibility: All levels of Eagle drivetrain systems
SRAM GX Eagle Rear Derailleur
$150.00
The GX derailleur not only answers the Eagle drivetrain’s need for greater capacity, but it’s also the next evolution of SRAM's, 1x-specific X-HORIZON design. The larger, 14-tooth X-SYNC lower pulley allows 10- to 50-tooth cassette, and also adds to Eagle’s overall smooth-pedaling feel. SRAM's Type-3 ROLLER BEARING CLUTCH features a smoother torque curve for a quieter, more consistent operation and feel. CAGE LOCK has been moved back and out of the way, protecting it from trail debris. And a redesigned, robust mounting system further improves the Eagle derailleur’s performance and overall durability. - Mounting system and re-positioned Cage Lock offer greater durability - Sealed cartridge pulley bearings - Will not work with front derailleur drivetrains - Rear Derailleur Mount Type: 10x1 Standard - Drivetrain Speeds: 12 - Cage Length: Long - Chain Wrap Capacity (teeth): 40 teeth - Largest Cog: 50 - Weight: 290 g - Rear Der/Shifter Compatibility: SRAM X-Actuation
SRAM GX Eagle Shifter
$59.00
The GX Eagle shifters for the Eagle 1x12 drivetrains offer high performance, a moderate price and put total control of your gear selection in one hand. - Includes 2200mm cable - Aluminum trigger lever and updated internal mechanism provide crisp feel and precise shifts - Two clamp attachment locations help riders achieve ideal lever position - Includes discrete handlebar clamp - Shifter Style: Trigger - Drivetrain Speeds: 12 - Weight: 122 g - Rear Der/Shifter Compatibility: SRAM X-Actuation
SRAM GX Type 2.1 10-Speed Rear Derailleur
$63.00 - $85.00
SRAM's GX 2x10 rear derailleur provides incredible shifting speed and precision. Exact Actuation technology eliminates slop and shifting variation. Roller Bearing Clutch technology delivers maximum drivetrain stability—even through the most punishing terrain. And with Cage Lock technology, wheel removal and installation are easier than ever.
SRAM GXP PressFit Road Bottom Bracket Cups
$42.00
SRAM's GXP PressFit Road Bottom Bracket Cups are the premium choice for getting the most out of every pedal stroke. They feature smooth bearings that keep drag to a minimum and seals that keep debris out. Plus, these BB cups press directly into the frame without having to be threaded in for reduced weight and enhanced durability.
SRAM GXP Team Bottom Bracket
$38.00 - $46.00
Get the most out of SRAM's high-tech cranksets with the GXP Team Bottom Bracket. Built to last, this super-smooth bottom bracket lets your SRAM GXP crankset (sold separately) spin effortlessly without weighing you down.
SRAM Guide R Disc Brake
$149.00
What’s it going to take to ride that line? It’s steep. It’s rocky. You’ve passed it a hundred times. But not this time. With SRAM's Guide R, you have the power. Proven 4-piston calipers give you smooth, one-finger control. Features like Reach Adjust let you dial it in just right. And Guide perfectly complements other SRAM components and gives you flawless performance on every ride. - Weight: 390 grams - Lever Material: Aluminum - Caliper Design: 4-piston, dual diameter S4 caliper - Finish: Black - Rotor: Centerline - Pad: Steel-backed Organic - Fluid: DOT 5.1 - Mount: Ambidextrous - Adjustments: Tool-free Reach Adjust, Banjo Adjust - Special Features: Tool-free Reach Adjust, Piggyback Reservoir, MatchMaker X compatible, Bleeding Edge, Heat Sheild - Tech Highlights: DirectLink, PURE Bladder, Timing Port Closure, Bleeding Edge, Heat Shield - Material: Forged Aluminum
SRAM Guide Ultimate Hose Kit
$44.00
Original equipment hydraulic hoses for no-compromise brake performance. - Fits All B (2016+) Versions of Guide RSC RS R - Hose length: 2000mm
SRAM IS Disc Brake Adaptor
$21.00
Disc Brake Adaptors - Includes Stainless Bolts
SRAM Level Disc Brake
$75.00
The SRAM Level brake levels the playing field with power and reliability stuffed into a lightweight package. This is no-nonsense performer, but don’t let its understated disposition fool you—Level gives you the art of braking in minimalist form.
SRAM Level T Disc Brake
$99.00
Level T capitalizes on the same trail-taming brake technology that conquered the 2015 World Mountain Bike Championships, to deliver a powerful and consistent XC and trail-optimized brake set that keeps your capital in the bank. This budget-minded, MatchMaker-compatible brake set provides all the power of its siblings, keeping you in complete control.
SRAM Locking Grips (For XX1 Grip Shift)
$25.00
• Replacement locking handlebar grip sets for XX1 Grip Shift • includes one 100mm right and one 122mm left grip • Available in black or silver.
SRAM MRX Comp Micro Front Twist Shifter
$13.00
SRAM's MRX Comp Twist Shifters are simple to use and offer solid shifting and reliable construction. They shift a SRAM or Shimano front derailleur. These shifters are indexed to shift three gears, and feature micro-adjustments for perfect front derailleur alignment.
SRAM MRX Comp Rear Twist Shifter
$10.00 - $17.00
SRAM's MRX Comp Twist Shifters are simple to use and offer solid shifting and reliable construction. They shift a 2:1 Shimano rear derailleur.
SRAM NX 11-speed X-Actuation Trigger Shifter
$28.00
SRAM's NX trigger shifter with X-ACTUATION technology gives you sharp, dependable shifting. Built for precise and swift shifting across SRAM's wide range 11-speed cassette, the NX trigger shifter brings industry changing technology to everyone. - X-ACTUATION for precise and dependable 11-speed performance - Fully compatible with all SRAM 1x drivetrains - Weight: 142 grams - Speeds: 1 x 11 - Colors: Black
SRAM NX 1x11 X-Horizon Rear Derailleur
$89.00
The SRAM NX X-HORIZON rear derailleur provides the same smooth, reliable shifting action as XX1—from the larger upper pulley offset to the 12-tooth X-SYNC pulley wheels. By eliminating unwanted chain movement, X-HORIZON shifts faster, puts an end to ghost shifting and reduces shift force and chain slap. And with Cage Lock technology, wheel removal and installation are easier than ever. - X-HORIZON design that reduces shift force, ghost shifting and chain slap - 12-tooth X-SYNC pulley wheels - Fully compatible with all SRAM MTB 1x drivetrains - Most affordable fully featured 1x rear derailleur in the industry - Speeds: 11-speed - Weight: 322 grams - Color: Black - Compatibility: X-ACTUATION - Bearings: Steel - Cage Size: Long - Max Tooth: 42
SRAM NX Eagle Trigger Shifter
$55.00
New NX Eagle trigger shifter means on-demand gear selection throughout the entire wide range Eagle cassette. The massive range means you never have to worry about having the right gear for the terrain. NX Eagle means easy, intuitive shifting every time for every rider. - Eagle technology provides an expanded, optimum, gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents. - Eagle is a complete drivetrain system that was developed to be an integrated high-performance ecosystem. The engineering and testing that went into the development provide for maximum performance, safety, and long-term durability to ensure a great consumer ride experience. SRAM guarantees this performance when Eagle drivetrains are used as a complete ecosystem. For additional information, please contact your SRAM Sales Contact. - Eagle Technology creates a smoother and more precise shifting system with exceptional reliability. - Available as a E-MTB specific Eagle shifter option limiting the pull lever to a single engagement. - Speeds: 12 - Derailleur Compatibility:12s - Cable pull ratio: X-actuation - Cable length (SL): 2200mm - Shifter type: Trigger - Matchmaker compatible: Yes - Clamp included?: Yes - Max upshifts: 5 - Pull lever adjust: No - Multi-position: Yes - Gear indication: No
SRAM PC-1 Single Speed Nickel Chain
$15.00
SRAM's PC-1 Single Speed Nickel Chain is designed for singlespeed bicycles so it won't jump off when you're laying down the power. It comes with a connector link for easy installation and removal.
SRAM PC-1071 10-Speed Hollow Pin Chain
$60.00
SRAM’s 10-speed chain is compatible with all industry-standard 10-speed systems. And, with its great PowerLock connecting link, installation and removal is a snap.
SRAM PC-1130 11-Speed Hollow Pin Chain
$35.00
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.
SRAM PC-830 Chain
$18.00
SRAM's PC 830 Chain offers accurate shifting, excellent durability, and superior power transfer for 8-speed drivetrains.
SRAM PC-951 9-Speed Chain
$28.99
The PC-951 is SRAM's most economical PowerChain and maintains their high standards of quality. It boasts tough chrome-hardened pins for durability and accurate shifting. And, with its great PowerLink, you don’t even need tools to install it.
SRAM PG-1050 10-Speed Cassette
$69.00 - $90.00
SRAM's 1050 10-Speed Cassette is a great choice. It's constructed of light and durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick and positive gear changes every time. This trick cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio and is available in myriad configurations to suit all your riding. There are even models with 36-tooth largest cogs for super-easy climbing.
SRAM PG-1130 11-Speed Cassette
$62.00 - $99.00
SRAM's PG-1130 11-Speed Cassette is constructed of heat-treated steel cogs and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports an aluminum spider construction for a maximum stiffness-to-weight ratio, a durable steel lockring, and comes in three wide ranges to suit your riding style.
SRAM PG-730 7-Speed Cassette
$24.00
SRAM's PG-730 7-Speed Cassette is the perfect replacement for your worn-out gears. It features a rugged steel construction for awesome durability and SRAM's PowerGlide technology for smooth, precise shifts throughout its 12-32 tooth range.
SRAM PG-850 8-Speed Cassette
$24.00 - $36.00
When it's time to replace your old 8-speed cassette, check out SRAM's PG-850. Its steel construction and SRAM's PowerGlide technology combine to deliver miles of solid shifting and outstanding durability.
SRAM PG-950 9-Speed Cassette
$32.00 - $45.00
When it's time to replace your 9-speed cassette, check out SRAM's PG-950 cassette. It delivers solid shifting and durability ride in and ride out for your 9-speed rig.
SRAM Power Link Chain Connector
$5.00
Power Links provide tool free chain assembly. - 8-speed width: 7.1mm - 9-speed width: 6.8mm - Chain Compatibility: SRAM - Reusable: Yes
SRAM PowerLock Eagle Chain Connector 12-Speed
$5.00
These are the correct connecting links for SRAM's 12-speed Eagle chains. They are great for installing new chains and fixing chains on the road and trail, too. They come in a four pack, for use with four chains.
SRAM PowerLock Link Chain Connector
$5.00
Power links provide tool free chain assembly. - Chain Compatibility: SRAM - Reusable: No
SRAM PressFit 30 Bottom Bracket
$60.00
SRAM saw the opportunity to make a better press fit system where all the best from BB30 and PressFit bottom brackets would be combined into one captivating package. Pressfit 30 will feature an integrated seal, pre-assembled into the cups, to further prolong bearing life. The key difference with Pressfit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. This bottom bracket is designed for 30mm spindle cranksets. Frames will need a 46mm inner-diameter bottom bracket shell to accommodate this system. Pressfit 30 for road will require a 68mm wide shell while Pressfit 30 for MTB will require a 73mm wide shell. - Easy installation - PressFit cups for lighter weight - Narrow Q-factor and more ankle clearance - Integrated gutter seal to prolong life - Integrated adjuster - 30mm spindle diameter
SRAM Racing Grips
$7.00 - $10.00
SRAM Racing Grips offer a great grip for total control and come in several sizes to fit your front-end setup. These durable rubber grips have stylish logos stamped in them and are built to last and not slip.
SRAM Road Disc Organic Brake Pads
$25.00 - $29.00
SRAM road disc brake pads are designed for use with SRAM road hydraulic disc brakes (HRD). - For use with Level Ultimate & Level TLM Brakes - Pad Material: Organic - Type: Road/CX - Includes guide pin, clip, & pad spreader
SRAM SRAM PowerGlide PG-830 Cassette
$19.00 - $29.00
SRAM's PowerGlide PG-830 Cassette is a quality 7-speed cassette. It boasts durable chrome-plated steel cogs with SRAM's shifting technology that includes optimal tooth profiles and ramps for fast, precision shifts every time.
SRAM Slickwire Stainless PTFE Coated Derailleur Cable
$13.00
Cable is coated with a durable low-friction polymer. - Dupont Tefzel coating is more durable than previous coated cables - Length: 2300mm - Diameter: 1.2 - Cable Head: Shimano/SRAM - Double Ended: No
SRAM X-Sync 2 Eagle Direct Mount Chainring
$99.00 - $110.00
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.
SRAM X-Sync 2 Eagle Direct Mount Chainring
$39.00
The radical new 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. 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. - Can be used with Eagle 12 speed or SRAM 11 speed chains - Direct mount rings with 3mm offset fit Boost geometry Eagle cranks; direct mount rings with 6mm offset fit traditional geometry - Eagle cranks and GXP spindle XX1, X01, X0, X1 and X9 cranks
SRAM X-Sync Direct Mount Chainring
$99.00 - $120.00
Make SRAM 1x even better with the simplicity of the SRAM X-SYNC Direct Mount chainring. Engineered in Germany, the new Direct Mount rings brings lighter weight and greater simplicity to XX1, X01, X1-1400, and GX-1400 cranksets. SRAM’s Direct Mount rings give riders the perfect opportunity for a serious upgrade. - Fully CNC AL rings - X-SYNC technology - Lighter weight than spider version (~25-50g depending on size) - Offset: 0mm (BB30), 6mm (GXP)
SRAM X0 Type 2 10-Speed Rear Derailleur
$295.00
A quiet bike is a beautiful thing. With SRAM's X0 Type 2 Rear Derailleur you'll hear the wind rushing past, the crunch of knobbies biting into dirt and the buzz of your freehub. SRAM's Type 2 technology eliminates chainslap, derailleur bounce, and other drivetrain racket. The roller bearing clutch keeps the chain tensioned for consistent shifting and is virtually maintenance free. The tech continues with an aluminum/composite construction, SRAM's 1:1 actuation ratio and direct cable routing for quick, reliable shifts. Plus, the Cage Lock feature gives you super easy rear wheel removal and installation.
SRAM X1 Chain
$39.99
With SRAM's X1 Chain, it's 1x11 all the time, so the chain can be narrower, stronger, faster — all because it doesn't have to deal with high-stress, front chainring shifting. Since it only has to do rear shifts, gear changes are telepathically fast and feathery light. Its "wide tooth, narrow tooth" pattern perfectly matches SRAM's X-Sync chainrings so dropped chains and cumbersome chainguides are a distant memory. The durability is impressive, too, with SRAM's Hard Chrome tech, solid pins and a proprietary link finish for improved life span.