Bike Drive Train Components

RD-RX817 REAR DERAILLUER GRX Di2 11-SPEED for 42T MAX MED CAGE SHADOW+

A high end track cog made from hardened stainless steel. Precision CNC machined for accurate roundness and tolerances. Corrosion resistant and no coatings to wear off over time for greatest…

The best track rings at a sensible price

11 Speed Compatible Electronic shifting for instant, accurate shifts Quick & smooth front shifting under high pedaling torque SHIMANO synchronized shift

FC-RS510/520 SHIMANO Crankset 12 Speed Length: 172.5mm 50-34 chain ring sizes Brand New