Rear

Developed and designed entirely by CeramicSpeed, the Oversized Pulley Wheel (OSPW) System for Shimano 9000/6700 provides the ultimate optimization of your bicycle's drivetrain.

This OSPW System features a set of 17-tooth aluminium Pulley Wheels, availa

It doesn't matter if you value a lightweight climbing bike or an aero speedster, drivetrain friction causes drag at any speed, and thus more watts if you want to go faster. And while it's harder to quantify frictional losses compared to say, aero data in

11t Jockey wheels, Fits 105 11speed , can be fitted to Ultegra 11speed

Thanks to the new design of the parallelogram, the rear derailleur is now lighter and more rigid, with the most effective and fastest shifting.
The design is derived directly from the 11-speed components with the oversized outer plate to provide greater

Adopting all the technologies that provide the fastest, quietest shifting available, the SRAM Force 22 rear derailleur has been designed with our EXACT ACTUATION™ technology for precise, efficient shifting throughout the extended gear range.

EXACT ACTU

Campagnolo Potenza HO 11-Speed Rear Mech adopts the same technologies and design as the top-end Super Record model, but with a slight weight penalty due to the omission of carbon fibre sections.
One of the stand-out features is the “Embrace” technology,

Shimano Shimano 105 R7000 RD-R7000-GS Rear Derailleur Long Cage

Developed and designed entirely by CeramicSpeed the Oversized Pulley Wheel System for Campagnolo is advanced for the optimization of bike performance. Everything from bearings to the cage is made from the highest quality materials. The oversized aluminium

Replaceable derailleur hanger / dropout 120 Black

New mechanical Record™ 12 Speed rear derailleur: precision, lightness and versatility.

Designed to improve performance and function in every aspect, the new Record™ 12 Speed mechanical rear derailleur has an innovative shape that envelopes the sprocket

Product Description
SRAM’s Apex 1 drivetrain gives the gear range and the shifting simplicity to let you simply go where you want. The Apex 1 rear derailleur makes that gearing choice a reality with clean, crisp shifts, thanks to SRAM’s X-Horizon™ geomet

Shimano TY500 - 6 / 7-speed rear derailleur (direct attachment)
SIS rear index shifting
Smart cage
Mega-range compatible
Mega Pulley offers long service life and less noise
Wheel type cable guide provides super light shifting action