Mechs (Derailleurs)

25 pairs per box in OEM packaging.Composite material provided by EMS Swiss, with 40% glass-fibre mixture.Special tooth pattern for quick shifting performance.Complete set of bushings for different shifting systems included.

11T ceramic derailleur pulleys.High quality aluminium derailleur pulleys with ceramic bearings.Extra stiff for fast shifting.High quality ceramic bearings, extra smooth and durable.

12 x 12T Ceramic derailleur pulleys.Equipped with low friction ceramic bearings for ultra-smooth glide and exception durability.Narrow Wide tooth profiling ensures ultimate chain retention.Lubricated with special ceramic light oil for extra smoothness.

12 x 12T CrMo derailleur pulleys.High-performance composite material from EMS Swiss with 40% glass-fibre blend.Sealed bearing with aluminium cover for optimal durability.Compatible with 12 speed SRAM road groupset.

Digital Integrated Intelligence or Di2: with programmed automatic motion at the touch of a switch. The Cues RD-U6050 Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency no matter what the riding conditions.

R2000 Claris derailleurs feature an advanced light action for low-friction shifting up or down the block. Wide link design for increased rigidity and precise gear shifts. For use with triple setups. Compatible with 8-speed drivetrains.

Ultegra rear derailleur replacement guide and tension pulley set. Suitable for Ultegra RD-R8150. Its recommended that you replace your derailleur pulley wheels periodically for the best shifting performance.

Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world.

RD-M786 stabilizer unit is product number 7 in the attached image. Genuine Shimano replacement part.

RD-RX810 stabilizer unit is product number 7 in the attached image. Genuine Shimano replacement part.

RD-M5120-B bracket axle unit for normal type is product number 1 in the attached image. Genuine Shimano replacement part.

High quality band on clamp so you can use a braze on front mech on any frame without a braze on mount. Available in 3 sizes for all down tube diameters. Ideal accessory for all workshops. Made from long lasting aluminium and anodised black.

105 Shadow design with Di2 technology, shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear.

Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world. 10-speed front derailleur for fast and precise shifting performance.

Shimano's new Direct Mount Rear Derailleur system gives more space around the rear frame dropout resulting in easier rear wheel removal but also allows frame designers to shorten chain stays, increase axle sizes and move suspension pivots.

Deore XT rear derailleur replacement guide and tension pulley set. Suitable for Deore XT RD-M8100-SGS and M8120-SGS. Its recommended that you replace your derailleur pulley wheels periodically for the best shifting performance.

Ultegra Shadow design with Di2 technology, shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear.

Deore M5120 Shadow plus 10/11-speed rear derailleur for dependable shifting performance and durability. Shadow plus features a super low profile design and optimized slant angle for super light shifting action.

This product is a Genuine Shimano replacement part. For Tiagra RD-4700 rear derailleur. For a full exploded diagram of all spares please refer to www.si.shimano.com.

Composite material provided by EMS Swiss, with 40% glass-fibre mixture.Special tooth pattern for quick shifting performance.Complete set of bushings for different shifting systems included.

12 × 12T XPLR CrMo derailleur pulleys.High-performance composite material from EMS Swiss with 40% glass-fibre blend.Sealed bearing with aluminium cover for optimal durability.Compatible with 12 speed SRAM XPLR groupsets.

12 × 12T CrMo derailleur pulleys.Narrow Wide tooth profiling ensures ultimate chain retention.Composite material provided by EMS Swiss, with 40% glass-fibre mixture.Sealed bearings.Compatible with SRAM 1 × 11.

The Super Record 12X2 Speed mechanical front derailleur: lightness, design, fluidity and effectiveness.