Rear

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

Shimano REAR DERAILLEUR, RD-TY300, TOURNEY, 6/7-SPEED, W/RIVETED

4J S/SPEED TENSIONER BLACK

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,

Derailleur chain tensioner assembly

RD-TY300 6/7-speed rear derailleur with mounting bracket

RD-5800 105 11-speed rear derailleur, GS, for low gear 28-32T, black

RD-TY300 6/7-speed direct-mount rear derailleur

Campagnolo CAMPAGNOLO VELOCE BLACK REAR DERAILLEUR SHORT CAGE 10 - SPEED

same shapes of the Super Record one in order to obtain similar shifting performance
Low weight with high stiffness and great resistance to impacts.
Same system already used in Super Record derailleur.
Perfect alignment of the derailleur cage.
Better u

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

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,