Parts

The Tektro MD-C550 is a dual-piston mechanical disc caliper designed for road bikes. - Uses QBP Disc Pad Finder #22 brake pad - The low-profile caliper design is compatible with road bikes - Dual-piston caliper provides steady braking power

Non-UCI-legal base bar for Speed Concept direct-mount stems. - Bar only. Extensions, arm pads, and hardware not included - Accessories are available separately

With a low-profile Flat Mount design, the Shimano GRX BR-RX810 hydraulic disc brakes provide greater control for mixed-terrain riding. The Shimano GRX Dual Control Lever delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort, and the textured, anti-slip brake lever increases control on bumpy terrain. - Excellent heat dissipation - Flat mount and anti-mud specification - Convenient tool access - Simple wheel replacement - Easy and clean bleeding system - Never hesitate to tackle rough surfaces - Simple set up and maintenance - Gravel inspired lever and bracket ergonomics - Anti-slip brake lever - Greater mixed-terrain control - Same light shifting operation as top tier road systems

Shimano Ultegra R8000 dual control levers. - Greater reach adjust range - Quick and intuitive rear shifting operation with redesigned internal shifting unit - Even lighter front shifting when paired with redesigned FD-R8000 - 2x11-speed - Model Number: ST-R8000 - Series: Ultegra - Shift Cable Casing: OT-SP41 - Shift Cable: Polymer coated - Average Weight: 220 grams

- LEV has always represented the latest technology but is already a classic among top contending dropper posts. - With myriad of firsts to its name; first hydraulic dropper to offer zero cable movement, first dropper to win a UCI World XC Eliminator event and first in countless enduros, magazine tests and customer satisfaction polls, LEV IS the first dropper seatpost to outperform itself.

Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. - An elegant,integrated design - DUB-PWR spindle-based unit measures left-side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User-replaceable lithium AAA battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - BB not included

The proven Transfer seatpost gets lighter and tighter. Completely redesigned from the ground up, with improved serviceability, decreased weight, reduced length, and decreased insertion depth. "Factory" says it all. The best-of-the-best technology we have to offer is available in our Factory Series models with our buttery smooth, ultra-durable Genuine Kashima Coat. These products are World Cup proven. 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. The Factory Series Transfer features Genuine Kashima Coating for maximum performance. - 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 - Factory Series models feature Genuine Kashima Coat - Remote lever sold separately

A carbon road handlebar with IsoCore that reduces road vibration by 20% and features a shallow-flared drop and shorter-reach design. All-road comfort Take on longer rides and rougher roads with the Pro IsoCore road handlebars, which can cut road vibration by 20% for a more comfortable, less-fatiguing ride on all-day gran fondos and gravel. Together, the IsoCore inner-laminar technology and IsoZone padding virtually eliminate road chatter. This OCLV Carbon bar features Di2 compatible ports for clean internal wire routing when integrated with Shimano EW-RS910 bar-mounted Di2 junction. - OCLV Carbon with IsoCore continuous inner-laminar technology - Replaceable IsoZone EVA pads maintain original grip diameter - Confidently access brake levers while in the drops with the shorter reach and Variable Radius Shallow Flare (VR-SF) design - IsoCore technology decreases road vibration by 20% over traditional carbon bars - Compatible with clip-on aero bars - Includes two replaceable EVA IsoZone top-of-bar pads - Compatible with Shimano EW-RS910 bar end Junction-A for cleaner Di2 routing

Forget front derailleurs; SRAM's Force 1 Crankset brings a game-changing upgrade in performance and reliability to cyclocross, road, and other 700c disciplines. Force 1 combines the durability, simplicity and efficiency that SRAM is known for with their 1x mountain technology. - Single-ring drivetrain simplifies functionality - SRAM X-Sync: wide-tooth, narrow-tooth chainring technology provides maximum chain control - Chainrings available in 42, 50 (110 BCD), and 52 (130BCD) teeth to conquer every course from sand dunes to gravel-road assaults - Unidirectional carbon crank arm matched to a forged aluminum spider for lightweight and durability - Weight 679g-24mm, 172.5mm, 50T, no BB - Bottom bracket not included

Shimano Ultegra R8000 crankset. - Optimized lightweight crank arm design produces excellent power transfer efficiency - Minimized weight without sacrificing stiffness - Hollowtech II - Rider tuned gear performance through various gear combinations - Possible to choose the best choice for ride - Redesigned FC for greater frame compatibility - Wider gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and 410mm chain stay length - Model Number : FC-R8000 - Series: Ultegra - Crank Construction: Hollowtech II - Crank Arm Length : 165, 170, 172.5, 175mm - Bottom Bracket : SM-BBR60/SM-BBR60-PB - Chain Line: 43.5 - Average Weight: 690 grams (53-39T), 681 grams (52-36T), 674 grams (50-34T), 668 grams (46-36T)

Shimano Ultegra R8020 hydraulic shift/brake levers. - Greater rider control in all conditions - Hydraulic disc brake provides the next stage of control - Small bracket size improves ergonomics - Greater reach adjust range - Quick and intuitive rear shifting operation with redesigned internal shifting unit - Model Number: ST-R8020 - Series: Ultegra - Shift Cable Casing: OT-SP41 - Shift Cable: Polymer coated - Average Weight: 550 grams/pair

Built to take on anything, the SPEEDPLAY ZERO road pedal is uniquely qualified to withstand the demands of everything from all-out racing to the epic grind of a double-century. The stainless steel dual-sided bike pedal and integrated cleat system offer peak power transfer and exceptional durability. The customized fit and dual-sided entry will allow you to crank on the pedals in confidence and comfort. Cleats are included. DUAL-SIDED ENTRY SPEEDPLAY ZERO pedals' symmetrical form factor allows for dual sided pedal entry when clipping in. No more fumbling, fussing or kicking your pedal over; take off when the light turns green and clip in with ease. ENHANCED WALKABILITY The slim profile cleat and rubber texture create enhanced stability when walking in your road shoes off the bike. INTEGRATED PROFILE SPEEDPLAY ZERO pedals and Standard Tension Cleat create a seamless integration for a streamlined profile. The secure connection can contribute to an increase in the transfer of power, which can make it easier to attain those hard fought watts. UNBEATABLE STACK HEIGHT Best-in-class stack height of the SPEEDPLAY pedal decreases the amount of material between your shoe and spindle. This provides a solid connection for a more fluid transfer of power with every pedal stroke. 3-AXIS CLEAT ADJUSTABILITY The Standard Tension Cleat can be positioned on the bottom of the shoe and adjusted fore-aft, left-right and rotationally, allowing between 0-15 degrees of float. OPTIMIZED BIOMECHANICS The 3-axis adjustability and slim stack height of the SPEEDPLAY Advanced Bike Pedal System allows the rider to customize their fit on the bike with the largest range of optionality. The lower stack height can allow for increased power transfer and a decreased saddle height, which results in reduced drag. ROTATIONAL FREE FLOAT SPEEDPLAY pedals allow up to 15 degrees of float, allowing the heel to pivot around the center of the pedal. This range of motion in the foot, lower leg and knee increases comfort and enhances pedal efficiency. SUPERIOR CORNERING CLEARANCE The slim profile of the SPEEDPLAY Advanced Pedal System allows for the greatest degree of lean on the bike when riding tight corners. Pedal with confidence knowing your pedal won't strike the ground, and leave the competition in the dust. STANDARD TENSION CLEAT INCLUDED SPEEDPLAY ZERO pedals include a set of Standard Tension Cleats and cleat surrounds for the most aerodynamic profile & walkable system. EASY TENSION CLEAT COMPATIBLE SPEEDPLAY Advanced Pedal System has cross cleat compatibility. Purchase the Easy Tension cleat, sold separately, for less resistance when unclipping.

Built to take on anything, the Speedplay Zero road pedal is uniquely qualified to withstand the demands of everything from all-out racing to the epic grind of a double-century. The stainless steel pedal and integrated cleat system offer peak power transfer and exceptional durability, while the customized fit and dual-sided entry will allow you to crank on the pedals in confidence and comfort. Speedplay is the only pedal system to provide independent fore-aft, left-right, and float adjustability to optimize fit and enhance performance through better biomechanics. Designed specifically to maximize every performance advantage the Speedplay platform offers, Zero is a lightweight race-ready, multipurpose pedal that’s durable enough to go the distance ride after ride. - Weight: 220g (per pedal pair) - Spindle Material: Stainless Steel - Spindle Length: 53mm - Float: Fixed-15º Micro-Adjustable - Cornering Angle: 37º - Bearing: Sealed

Aerodynamic design. - Color matched for direct compatibility - 7mm round and 10mm oval saddle rail clamp ears sold separately

A streamlined design with fewer moving parts and better seals makes for a dropper post that performs consistently and requires less maintenance. The updated Bontrager Line Dropper Post is easy to set up and now even easier to service. The cable-actuated hydraulic locking design provides proven functionality for bikes with internal routing. - Remote cable actuation with ergonomically designed under-bar lever - Air-sprung hydraulic locking cartridge offers infinite adjustability within dropping range - Keyed chassis prevents rotation for a stable ride - 2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment - Internal cable routing keeps housing tucked away and free from moving wheel - Includes cable, housing, and 1x under-bar remote lever - On-Bar Drop Line Universal Lever sold separately - Frame must be compatible with internally routed seatpost routing

An ultra-light performance saddle with a carbon-reinforced shell and a full cutout for targeted support and soft tissue pressure relief for riders of all genders and disciplines. For mountain, for road, for men, for women Our most versatile performance saddle puts you in a power posture for speed and control wherever you ride. Verse Pro is built with ultra-light, oversized carbon rails, a carbon-reinforced shell, and an inForm design with a full cutout shape for the ultimate in comfort and performance. Plus, it's equipped with a rear-facing Blendr mount for a Flare tail light. Product details - Saddle design supports riders of all genders in a performance riding position on road and mountain bikes - Full saddle cutout minimizes soft tissue pressure for lasting comfort and performance - Oversized carbon rails for lightweight strength (specific seat post ear clamps required) - Lightweight carbon-reinforced shell provides perfect balance of weight, strength, and compliance - Multiple widths and extended rail clamping area give more fit options - inForm saddles are born of cutting-edge biomechanical research to maximize performance and rider comfort - Available Blendr accessory mounts to cleanly integrate rear light

Versatile and ultra-light, the Verse Pro gets a shorter profile for elevated comfort for riders of all genders and disciplines. Less is more A shorter profile elevates comfort across all riding positions for the top trim level of our most versatile performance saddle. Verse Elite’s targeted support and versatile design is ideal for all riders and genders. Carbon rails and a composite shell keep it ultra-light with added compliance. A full cutout ensures long-haul comfort, and Wing Flex allows the saddle shell's side edges adapt to riders’ inner leg movements and pelvic rotation. Product details: - Short profile provides targeted support for riders of any gender in a performance riding position - Wing Flex allows the shell's edges to adapt to rider's inner legs movement and pelvic rotation - Full saddle cutout minimizes soft tissue pressure for lasting comfort and performance - Lightweight carbon-reinforced shell perfectly balances weight, strength, and compliance - Oversized carbon rails for lightweight strength (specific seat post ear clamps required) - Multiple widths and extended rail clamping area give more fit options - inForm saddles are born of cutting-edge biomechanical research to maximize performance and rider comfort - Blendr accessory mounts offer clean integrated mount for rear Flare light Features: For men, for women, for mountain, for road. Verse Short is designed to add comfort for all genders. It's your go-to performance posture saddle for both trail and road. Short profile The short profile provides targeted support and a performance riding position for all genders. Wing flex Wing flex allows the saddle shell's side edges to flex and adapt to a rider's inner leg movement and pelvic rotation. Full-length cutout A full saddle cutout minimizes soft tissue pressure for lasting comfort and performance. Blendr integration Easily mount Bontrager Flare rear lights with the Blendr accessory mount, available separately.

Direct fit on 2016+ Madone 9-Series frames Genuine replacement parts Ultra-light carbon fiber shaft and head. - 2-bolt design offers independent setback and tilt adjustments - Does not include saddle clamp ears—7mm round and 10mm oval ears sold separately

Ride anywhere with this wide range XG-1275 cassette—it always provides the right gear. Fast on the flats. Control on the climbs. Dictate your own pace, anywhere. FULL PIN technology uses lightweight, stamped steel cogs held together with high-strength stainless steel pins. The result: a cassette that’s light and strong. The open design similar to SRAM's X-DOME cassette aids in mud clearance, giving you cleaner shifting performance and longer component life. X-GLIDE2 improves both inboard and outboard shifting, as well as chain retention. - Cassette Body Type: SRAM XD Cogs: - 10 – 50T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 50 - 10 – 52T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 52

With a focus on reduced weight and cross-country tuned stopping power, Shimano Deore XT brakes provide intuitive modulation so that you can explore your limits with confidence. The levers feature an optimized lever axle position, refined ergonomics, and increased rigidity thanks to an additional handlebar contact point. The BR-M8120 4-piston calipers are designed for tough enduro trails and include heat-dissipating finned metal pads. - 10% stiffer than previous generation M8000 even under high-temp conditions - Quicker brake engagement with a shorter free stroke - Tool-free reach adjustment - Free stroke adjustment - I-SPEC EV Clamp Band - Brakes are pre-bled for convenient installation

Shimano's Tiagra Front Chainwheel is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Series: Tiagra 4700 - Crank Construction: 2-piece crank construction - Cassette Compatibility: 10-speed - Chain Compatibility: Series color - Bottom Bracket: BB-RS500 / BB-RS500-PB

The Shimano GRX Dual Control Lever delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort and the textured, anti-slip brake lever increases control on bumpy terrain. - Gravel-inspired lever and bracket ergonomics - Anti-slip brake lever - Greater mixed-terrain control - Same light shifting operation as top-tier systems

Ultra-light comfort and control The all-new RSL 27.2 Seatpost is an ultra-lightest carbon seat post, that now comes with an all-new design with a CnD shape profile for a more controlled and forgiving ride experience. An ultra-light carbon seatpost with unique shape profile for increased compliance. - CnD shape profile increases torsional stiffness and vertical compliance - Designed to offer increased compliance at maximum and minimum insertion points - 2-bolt design offers independent setback and tilt adjustments (+/- 12 degrees) - 100% OCLV Carbon fiber shaft and head - Includes 7x7mm round rail clamp compatibility - Carbon 7x10mm saddle ears sold separately

Put a premium on comfort and upgrade to the The Affinity Pro. This sleek saddle packs comfort into a race feel. Hollow Ti rails, Contour Relief Zone, and Zone Density Padding give the Affinity Pro long-haul benefits in a svelte race trim. - Performance Posture 3 for pelvic rotation with a balance of comfort and efficiency - Unique suspended rail construction increases compliance for ultimate comfort - Strategically-placed, multi-density padding for optimal comfort and performance - Recessed saddle cavity provides contour relief zone and eases pressure on soft tissue - Size Specific Curvature ensures each saddle is designed specific to its width - Carbon fiber-reinforced shell strikes a balance between strength and light weight - inForm BioDynamic products optimize your natural movement for sustained, higher performance

Shimano Ultegra R8000 pedals. - Pro-level performance and lightweight for the enthusiast - The legacy of Shimano design, quality and performance - Carbon-composite body - Extra-wide platform for a more efficient transfer of power - Adjustable entry and release tension settings - 4mm longer axle available - Low stack height - 0.7mm lower than PD-6800 - Model Number: PD-R8000 - Series: Ultegra - Pedal System: SPD-SL - Average Weight: 248 grams

The Speciale 10, while inspired by the premium Speciale 12, stands on its own as a high-performance pedal. This pedal is up to the challenge of whatever downhill, Enduro and trail riding throws your way. Pick from two sizes: Large (69x90mm) for downhill and Enduro, or Small (64x80mm) for trail or Enduro. Grippy and durable, the Speciale 10 features an alloy anodized platform and oversized hollow steel spindle. The pedal is spring-retention adjustable (micrometric) to meet the demands of advanced riders and features TIME’s ATAC design for easy entry, predictable release, and mud clearance for reliable performance in all conditions. - Designed for performance in all conditions for enduro, trail, and downhill - Alloy platform body with hollow steel spindle - Easy engagement and performance in all conditions - ATAC cleat design clears mud with every step-in - ATAC Standard Cleats included

You really can have it all-the new WCS C220 stem rivals the performance of the revolutionary C260 stem design, but it's quicker and easier to install and remove, thanks to a press-fit handlebar clamp interface and forward-facing hardware. First proven on the Ritchey TRAIL stem, the C220 handlebar clamp design creates a more secure interface by wrapping a full 220-degrees over the handlebar. Bolt forces are aligned with the clamp so that the stem body 'embraces' the handlebar, which is less prone to damaging lightweight bars. This clamp design allows for a lighter faceplate and stem body with no sacrifice in strength or stiffness. The Carbon Matrix stem body is forged 7075 aluminum with a stiffness-enhancing carbon exoskeleton which makes this 12% stiffer than the WCS alloy C220 stem. Premium quality CRMO steel bolts are used throughout. - Material: 3D forged 7075, carbon encased body - 4 x 4mm coated CrMo steel forward-facing faceplate bolts - 2 x 4mm coated CrMo steel offset steer tube clamp bolts - 5Nm torque max on all hardware - Compatible with all 31.8mm bars - Press-fit clamp design installs and removes like a standard stem - Angle: 84/6 degree - Stack: 42mm - Steerer: 1-1/8" - Faceplate Width: 42mm - Matte UD carbon finish - 126g (110mm)

The RS510 crankset features a 4-arm design that's light and stiff, providing high performance on a low budget. - For 11-speed drivetrains - Compatible with frames of O.L.D. 135 mm and 410 mm chainstay length - Affordable and high-end style crankset

The name says it all: Thomson's Masterpiece Seatpost combines the best materials, exceptional strength, perfect function, light weight and the classic beauty of all Thomson products. All Masterpiece posts are extruded and then painstakingly machined from a single block of ultra-strong 7000-series aluminum, and they all weigh less than 200 grams complete. This means you get a post tough enough for any ride on or off road and at a nice and light weight that will complement your dream bike. What's more, you get Thomson's easy-to-adjust and super reliable 2-bolt seat clamp that makes it a breeze to dial in your perfect seat position from minus 5 degrees to plus 29 degrees.

Shimano's Ultegra 6800 chainrings provide confidence-inspiring shifting and category-defining speed. Cold-forged aluminum comprises these super-stiff, hollow outer rings, and Shimano's unique system of ramps and pins means lightning fast shifts are at your command. - Bolt circle diameter: 4-bolt 110mm asymmetric - 50T pairs with 34T inner ring - 52T pairs with 36T inner ring - 53T pairs with 39T inner ring Inner rings sold separately