DISC ROTOR 180mm SM-RT30 CENTERLOCK for RESIN PAD

This set of two pulleys (1 tension, 1 guide) are for use on a Shimano Ultegra RD-R8000 rear derailleur, or a Di2 RD-R8050 rear derailleur

The 1x generation started with DH bikes, but there were always issues with the chain falling off the chain ring in rough conditions. Chain guides were created to keep the chain spinning on the drive train.

FUNN ZIPPA BASH GUARD features CNC machined 7075 heat treated aluminium back plate, and replaceable thermoplastic polymer bumper that is both strong and light. It will keep your chain ring and chain set safely protected as you zip through rock gardens and

Seat Style: Racing Number of Speeds: 11 Speed Compatible Brand: Shimano Color: Black