Shimano

Shimano Saint hydraulic disc brakes feature an opposed ceramic 4-piston design which helps absorb rotor heat and reduce vibrations. The Servo Wave 2-finger levers feature tool-free stroke and position adjustment, while the one-way bleeding caliper and hinged lever clamp offer easy installation and maintenance. - Brakes are pre-bled for convenient installation - Includes metal ICE TECH pads with radiator fins - I-spec B-type shift lever compatible

The Shimano R9100 series crankset achieves the ultimate in optimal power transfer. It does this through a more reinforced outer chainring on its unique asymmetrical four-arm spider construction. - Chainring BCD: 110 Shimano Asymmetric - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Outer

Shimano Dura-Ace 9000 11-Speed Chainrings. - Chainring BCD: 110 Shimano Asymmetric - Color: Silver/Black - Defined Color: Silver - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Outer

The Shimano GRX RX815 Di2 front derailleur delivers quick and smooth front shifting even under high pedaling torque. It's designed for a wider, 17T front chainring range, has programmed chain guide trim settings, and can be used in full or semi Shimano Synchronized Shift modes. - Chainline +2.5 mm vs. conventional road FD - Wide, 17T front range chainring range - Wider tire clearance

For a streamlined cockpit and easy access to the seat dropper post lever, Shimano's RX810-LA Dual Control Lever integrates the brake lever and dropper lever for fast and effortless operation. - Integrated cable -pulling system - 8.3 mm cable stroke - Control dropper post from shifting lever - Streamlined cockpit minimizes stress and distractions

Shimano's new FC-RX810-2 crank balances weight and efficiency for mixed-terrain riding. Gearing options cater for the specific demands of gravel riding and to maintain tighter gear steps for maintaining pedaling rhythm. The 2x11-speed crank is available in a 48-31T, 40T, and 42T chainring combination and 170, 172.5, and 175mm crank arm lengths. - Gravel gear ratios preserve riding rhythm over rough surfaces with wider tires - Optimum gearing for mixed terrains and riding styles - Wide-range double - Gear combinations: 48-31T, 40T, 42T

Optimized for single-chainring drivetrains, the Shimano GRX BL-RX820-L brake lever delivers greater comfort and control for mixed-terrain riding thanks to Shimano's category-leading gravel-specific design features. The SERVO WAVE brake lever action provides greater braking power with improved control. - GRX BL-RX820 left brake lever with textured hood ensures you're always in control, even on bumpy descents - Anti-slip coating on GRX brake levers means that even in wet or muddy conditions that you'll always have Shimano's legendary stopping power on demand - Reach Adjust mechanism allows the lever to be adjusted to suit any hand size, type of riding and individual rider preferences - Optimized for use with flared bars - SERVO WAVE technoloy provides fast initial pad travel to quickly contact the rotors followed with the power multiplication factor to give fast pad-to-rim contact to apply greater braking power with improved control

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

Deore XT M8100 hydraulic disc brakes are designed to provide high-performance braking for a variety of MTB riding styles. - BL-M8100 features a stiffer brake lever design that provides added support for aggressive riding - Servo Wave Action technology means quicker brake engagement with shorter free stroke - The BR-M8120 4-piston caliper is designed for tough enduro trails - Set includes brake lever, caliper, finned metal pads, and hose - Brakes are pre-bled for convenient setup

The Shimano FC-RX820 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. - Gravel-optimized 48-31t gear combination ratios preserve riding rhythm on rough surfaces - The 17t range covers an array of riding conditions - Smaller gear steps for cadence control on mixed-terrain riding - Hollowtech II crank arms provide strength and stiffness with the benefit of weight savings - Compatible with HG 12-speed chains - 47mm chainline - 151mm Q-factor

Integrated Type Battery Mount for Down Tube

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

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

Shimano Ultegra R8000 Series Chainrings are designed for use with Shimano's 11-speed Ultegra crankset.

Shimano Ultegra ST-R8150 levers combine the accuracy of Shimano 12-speed Di2 shifting with the light weight of rim brakes. - Quick and intuitive shifting - Clearly defined click feeling with ergonomic shifting lever - Better bike control and confidence in race conditions - Hood shape and texture optimize grip and brake power transmission

Comfortably smooth and intuitive auto-shifting rear derailleur Keep your focus and enjoy comfortably smooth pedaling with the inspiring and intuitive automatic shifting of the SHIMANO CUES RD-U6070 rear derailleur.

When it’s time to update the flagship XTR pedals, we look at every detail under a microscope. Off-road racing demands speed, focus, and control. And that’s exactly what the PD-M9120 delivers. Increased drivetrain efficiency, an intuitive and seamless interface, and predictable steering and traction control are the benchmarks of the M9100 series pedals. The M9120 are the weapon of choice for WC racers worldwide. BETTER MUD CLEARANCE - Cylindrical contact area sheds mud even better for consistent stepping-in & out performance and rider confidence. ADDED EFFICIENCY + DURABILITY - Increased axle strength for long service life. M9100 comes in two axle lengths – 52 mm and 55 mm crank to pedal center. LARGER CONTACT AREA - The M9120 platform is designed for maximum shoe-to-pedal contact area without extra weight or rotating mass. Cage protects the binding and makes step in easy. BETTER MUD CLEARANCE - Wider edge-to-edge contact area provides solid shoe-to-pedal interface, transmits power more efficiently for faster and more consistent acceleration, and better bike control.

With a focus on reduced weight and cross-country tuned stopping power, Shimano SLX M7120 brakes provide intuitive modulation so that you can explore your limits with confidence. The BL-M7100 levers feature an optimized lever axle position, an additional handlebar contact point for greater stiffness, and refined ergonomics for rider comfort. At the caliper end, the BR-M7120 4-piston caliper is optimized for the toughest enduro trails. - 10% stiffer than previous generation M7000, even under high-temp conditions - Quicker brake engagement with shorter free stroke - Tool-free lever reach adjustment - I-SPEC EV Clamp Band enables optional integrated shifter setup - Includes finned metal pads

With an all-new design, DURA-ACE BR-R9270 hydraulic calipers are our most compact yet. MONO-BODY construction ensures light weight and rigidity, proving that good things can come in small packages. With an all-new MONO-BODY construction design, high performance braking has reached a new peak. The BR-R9270 caliper drops weight while also providing increased pad clearance, ensuring a quieter ride. Lastly, a new bleeding process makes maintenance easier than ever. - One-piece structure maximizes stiffness and reduces weight - 10% wider pad clearance decreases the chance of rotor rub - Maintenance-friendly bleeding process

The new DN300 Built-In type battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12-speed road derailleurs (and shifters if a fully wired option is selected). - Compatible with thinner next-generation electric wire SD300 and systems after R9250/R8150 series - Li-Ion type - Capacity: 500 mAH |3.7Wh (± 2000km autonomy) - Rated voltage: 7.4V - Charges through RD-R9250 |RD-R8150 rear derailleur using EW-EC300 Di2 Charging Cable (sold separately) - Fixing small parts included - Weight: 52g

With an all-new design, DURA-ACE BR-R9270 hydraulic calipers are our most compact yet. MONO-BODY construction ensures light weight and rigidity, proving that good things can come in small packages. With an all-new MONO-BODY construction design, high performance braking has reached a new peak. The BR-R9270 caliper drops weight while also providing increased pad clearance, ensuring a quieter ride. Lastly, a new bleeding process makes maintenance easier than ever. - One-piece structure maximizes stiffness and reduces weight - 10% wider pad clearance decreases the chance of rotor rub - Maintenance-friendly bleeding process

An attractive aluminum crank with hollow arms for lightweight, rigidity, and durability The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance. FEATURES - Optimal balance of stiffness, strength, weight and rotational performance - HOLLOWTECH II structure cuts weight yet maintains strength for better power transfer - Crank arm length: 160, 165, 170, 172.5, 175 mm - Gear combination: 50-34T, 52-36T - Q-factor: 148 mm

Ready to tackle dust, mud, and mixed terrain, the RX600 Women's boasts powerful pedaling performance and confidence inspiring grip in a gravel shoe thoughtfully engineered for bikepacking and adventuring. - Versatile Gravel Shoe: the RX600W is a women's SPD gravel shoe with optimally balanced stiffness and walkability for off-road exploring - Efficient Pedal Performance: stiff carbon reinforced outsole transfers your efforts directly to the pedal - Bikepacking Friendly: wider outsole offers extra stability when walking or pushing your bike - Tailored Fit: L6 BOA dial closure system cinches in seconds for a secure fit every ride - Women's Sizing: designed with a women's specific last for a natural, comfortable fit. - Cleats sold separately

Ready to tackle dust, mud, and mixed terrain, the RX600 Women's boasts powerful pedaling performance and confidence inspiring grip in a gravel shoe thoughtfully engineered for bikepacking and adventuring. - Versatile Gravel Shoe: the RX600W is a women's SPD gravel shoe with optimally balanced stiffness and walkability for off-road exploring - Efficient Pedal Performance: stiff carbon reinforced outsole transfers your efforts directly to the pedal - Bikepacking Friendly: wider outsole offers extra stability when walking or pushing your bike - Tailored Fit: L6 BOA dial closure system cinches in seconds for a secure fit every ride - Women's Sizing: designed with a women's specific last for a natural, comfortable fit. - Cleats sold separately

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

The Deore XT M8100 hydraulic disc brake is designed to provide high performance braking for a variety of MTB riding styles. Includes the brake lever and disc brake caliper. - BL-M8100 features a stiffer brake lever design that provides added support for aggressive riding - Servo Wave Action technology means quicker brake engagement with shorter free stroke - The BR-M8100 2-piston brake caliper is optimized for cross country riding styles - Includes finned metal pads and hose - Brake Caliper Type: Post Mount - Hydraulic Hose Length: 1000mm (Front) / 1700mm (Rear) - Hydraulic Fluid Type: Mineral Oil - Rotor Included: No - Pad Compound: Metallic

The SHIMANO DEORE M6120 caliper features consistent braking performance and reliable stopping power in all conditions. The 4-piston caliper instills greater downhill confidence and control. With quicker brake engagement and shorter free stroke, the Shimano Deore BR-M6100 brake set delivers intuitive braking so you can stay focused on the trail ahead. The I-Spec EV shift lever offers a wider adjustment range for superior rider tuning. - Intuitive and powerful braking - Quicker brake engagement with shorter free stroke - Rider tunable and action-optimized cockpit - High-performance brake control - Additional contact point for a stiffer brake lever - 10 deg. rotation angle setting range for I-Spec EV shifting lever - Lever/caliper sets sold individually for front or rear.

- Di2 internal battery, fits all e-Tube Di2 groups - Capacity: 500 mAH (± 2000km) - Use with EW-WU101 or SC-MT800 interfaces/junction to gain BlueTooth Smart wireless connectivity for on-the-fly adjustments with smartphones and tablets - Requires SM-BCR2 charger

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition.

Shimano chainrings offer durability and confidence-inspiring performance, and go a long way towards getting a drivetrain back to optimum working condition. - 6700-G and 6750-G chainrings are OEM for Ultegra "Glossy-Gray" cranksets

The Shimano Deore XT CS-M8100 12-speed cassette is optimized with rider-tuned wide-range and close step gear combinations for MTB excellence. - Shift ramp designs provide fast and smooth shifts by HYPERGLIDE+ technology - Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security - Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub - Cassette Body Type: Shimano Micro Spline - Cassette Cogs: 10-12-14-16-18-21-24-28-33-39-45-51 - Drivetrain Speeds: 12 - Range: 10-51

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

- Re-designed, compact hood shape wth improved ergonomics - Adjustable reach - Shorter lever throw than previous Tiagra shifters - Compatible with Tiagra 4700 and GRX RX400 components, but not with previous generation 10-speed groups (105 5700, Tiagra 4600, etc.)

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

- XT M8100 12 speed crankset - Fits Boost and non-Boost MTB - Hollow forged crank maximizes power transfer while limiting weight - Direct mount chainring type - Chainline : 52mm

- XT M8130 12 speed crankset - Fits 157mm SuperBoost MTB frames - Hollow forged crank maximizes power transfer while limiting weight - Direct mount chainring type - Q-factor : 181mm - Chainline : 56.5mm

The Shimano 105 FD-R7150 Di2 front derailleur provides precise, coordinated front shifting. Features full- and semi-synchronized shifting functions that can be selected using the E-TUBE app. - Digitally accurate electronic shifts and coordinated communication between shifter and derailleur - Shift from the big to small chainrings, or vice versa, whenever you like while minimizing the risk of a dropped chain - Powerful, accurate, smooth front shifting with the programmed chain guide control by automatic trim - Shimano SYNCHRONIZED SHIFT for manual, full- and semi-synchronized shifting program

Shimano's new FC-RX600-11 crank balances weight and efficiency for mixed-terrain riding. Gearing options cater to the specific demands of gravel riding, with tighter gear steps for maintaining optimum pedaling cadence. The 2x11-speed crank is available in a 46-30T or 40T chainring combination and 170, 172.5, and 175mm crank arm lengths. - Wider gear range for long tours or unknown terrain - Optimum gearing for mixed terrains and riding styles - Gear combination: 46-30T, 40T

PD-R7000 NEW FEATURE - Carbon fiber reinforced resin pedal body - Wide contact area - 265g/pr (25g/pr lighter than PD-5800) BENEFIT - Optimum power transfer - Lightweight - Aerodynamic image - Color: CFRP - Average weight: 265 g - Road clearance: 31° - Binding: Single Sided - Cleat included: SM-SH11 - Optional cleat: SM-SH10 / SM-SH12 - Pedal Type: Road - Reflector: SM-PD65

BL-M4100 - Intuitive and powerful braking - Quicker brake engagement with shorter free stroke - Rider tunable and action-optimized cockpit - High-performance brake control - Additional contact point for a stiffer brake lever - 10 deg. rotation angle setting range for I-SPEC EV shifting lever BR-MT420 - 90% braking power vs. BR-MT520 - 20% increase braking power vs. current 2-piston BR-MT400 - 150% better wear-resistance vs. current 2-piston BR-MT400 - Brake pad: resin, metal - Pre-assembled and bled brake lever and caliper, with SM-BH59-SS hose & mineral oil - Without rotor and adapter - One-way bleeding system

- XT M8130 12 speed crankset - Fits 157mm SuperBoost MTB frames - Hollow forged crank maximizes power transfer while limiting weight - Direct mount chainring type (TL-FC41 tool included) - Q-factor: 181mm - Chainline: 56.5mm

Shimano's Deore Crankset features efficiency and fast shifting to let you make the most out of the trails. The smooth shifting rhythm allows you to maintain speed and acceleration over challenging terrain. Hollowtech II technology provides the best balance of stiffness, strength, weight, and rotating performance. Features: - Efficient power transfer - HOLLOWTECH II crank arm with 4-arm construction - Composite chainring - Optimized gear combinations and ratios for trail riding - Close step tooth profile for smooth shifting - Stable shifting performance in any suspension position - Single spike structure for stable shifting - Bottom Bracket compatibility: SM-BB52/BB-MT500-PA - Chain Line: 51,8

Shimano's Deore Crankset features efficiency and fast shifting to let you make the most out of the trails. The close step tooth profile allows for smooth shifting so you can maintain speed and acceleration over challenging terrain and hollow-forged crankarms transfer your power quickly and smoothly to the rear wheel. Features: - Chain Line 3mm Outboard Crankset (2x10-speed) - Efficient power transfer - HOLLOWTECH II crank arm with 4-arm construction - Composite chainring - Optimized gear combinations and ratios for trail riding - Stable shifting performance in any suspension position - Single spike structure for stable shifting - Bottom Bracket compatibility: SM-BB52/BB-MT500-PA - Chain Line: 51,8

- Series: SORA - Crank Construction: 2-piece crank construction - Bottom Bracket: BB-RS500, BB-RS500-PB - Chain Line: 43.5 - 9-speed - Four-arm BCD

Shimano XTR M9100 shifters feature fast and intuitive operation. - 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's new FC-RX600-10 crankset balances weight and efficiency for mixed-terrain riding. Gearing options cater to the specific demands of gravel riding and to provide tighter gear steps for maintaining pedaling cadence. The 2x10-speed crank is available in a 46-30T chainring combination. - Wider gear range for long tours or unknown terrain - Optimum gearing for mixed terrains and riding styles - Gear combination: 46-30T

This 2-piece crankset with chain guard is perfect for city and commuter bikes. - Chainring: 45T, 42T, 39T - Single or double chainguard integrated design - Chain compatibility: Super Narrow HG for 9-speed, HG 8-speed (1/2 inch x 3/32 inch)

Go further with smooth and long-lasting e-biking performance with the Shimano CUES CS-LG700 LINKGLIDE cassette that features an aluminum spider for significant weight reduction. ONLY Compatible with LINKGLIDE shifting system. - Aluminum spider significantly reduces cassette weight - LINKGLIDE technology provides up to three times the durability of HYPERGLIDE in high chain tension conditions - Smooth 2-way shifting (inward and outward) with reduced pedal shock - Optimized shifting gate design - Rider-tuned gear steps - Compatible with LINKGLIDE and HG 11-speed chains - Only compatible with LINKGLIDE shifting system

- Series: SORA - Shift Lever Type: STI - Front Shifting: 2 or 3 - Rear Shifting: 9-speed - Shift Cable Casing: OT-SP41 - Adjustable Reach: Yes - Brake Lever Actuation: Short Pull Super SLR - Cassette Spacing: Shimano/SRAM 9 - Color: Black

- Wide pedal-to-shoe contact - Lower platform height for pedaling stability - Integrated cage increases stability and control when not clipped in and protects binding mechanism against impacts - Robust retention claws provide smooth engagement and release - Customize the entry and release tension settings - Strong, durable chrome-molly spindle with 8 mm hex wrench mount - Sealed mechanism - 1.0 mm cleat spacer included - Binding Dual sided - SM-SH51 Cleat included - Cleat retention adjuster - Integrated cage - Cartridge axle - Average weight: 438g - Optional cleat: SM-SH56 - Pedal Type: Off-Road (SPD)

SPD cycling sandal. FEATURES - Warm-weather, casual riding option that wears like a sandal and pedals like a cycling shoe. - Glass fiber reinforced shank plate for optimum sole rigidity. - Stable rubber outsole for comfortable riding and walking. - Smooth mesh and synthetic leather liner for barefoot riding comfort. - Classic dual strap and open toe design for an efficient and comfortable fit. - Same one-step sizing as Shimano cycling shoes.

BL-M6100 - Intuitive and powerful braking - Quicker brake engagement with shorter free stroke - Rider tunable and action-optimized cockpit - High-performance brake control - Additional contact point for a stiffer brake lever - 10 deg. rotation angle setting range for I-SPEC EV shifting lever BR-M6100 - Pre-assembled - One-way bleeding system - Superior modulation gives you the power you need at low weight - Quick piston retraction - Lightweight 2-piston disc brake caliper - ICE TECHNOLOGIES - Without rotor and adapter

Deore XT BR-M8100 hydraulic disc brake calipers offer powerful braking in a lightweight design. - 4-piston caliper is designed for tough enduro trails - High power braking instills greater downhill confidence and control - Banjo type connection and inside hose routing - Quick and easy assembly

The SHIMANO DEORE FC-M6100-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 172 mm Q-factor that is compatible with 142 mm or 148 mm O.L.D. frames.

- Large pedal platform - Lower platform height for pedaling stability - Robust retention claws provide smooth engagement and release - Customize the entry and release tension settings - Strong, durable chrome-moly spindle with 8 mm hex wrench mount - Sealed mechanism - SM-SH51 Cleat included - 1.0 mm cleat spacer included - Binding: Dual sided - Cartridge axle - Cleat retention adjuster - Average weight: 342g - Optional cleat: SM-SH56 - Pedal Type: Off-Road (SPD)

- Internal junction-A with two e-Tube ports - Externally facing charging port eases charging, especially for internal batteries - Mounts in road bar end or in frames with an integrated mounting point - For easier cable routing, use along with EW-JC130 three-way e-Tube cable

The Shimano 105 R7000 mechanical brake Dual Control Levers bring quick and intuitive shifting and confidant braking in an affordable package. Features - Redesigned internal shifting unit - Greater reach adjust range - Easier access to inner shift cable - Quick and intuitive rear shifting operation - Reliable performance in race conditions - Lighter front shifting when paired with FD-R7000

- 2-PIECE CRANKSET for 142 mm or 148 mm O.L.D. frames - DYNAMIC CHAIN ENGAGEMENT+ improves chain engagement and retention - Q-factor 172 mm - Direct mount chainring - Chain Line 52 mm - 1x12-speed

- 2-PIECE CRANKSET for 148 mm O.L.D. frames - DYNAMIC CHAIN ENGAGEMENT+ improves chain engagement and retention - Q-factor 178 mm - Direct mount chainring - Chain Line 55 mm - 1x12-speed

With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience with shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain stabilizer. The RD-RX812 rear derailleur is compatible with MTB cassettes with a max cog size of 42T. - Adjustable, gravel-tuned chain stabilizer prevents chain slapping and drops - Switch stabilizer ON/OFF to match the terrain - Silent and uninterrupted rear shifting on rough terrain - Smooth and reliable mixed-surface shifting - Compatible with current road Dual Control Levers - High cog: Max. 11T/Min. 11T - Low cog: Max. 42T/Min. 40T - Total capacity: 31T