Shimano RD-M640 Zee 10spd parts-headset Seamless operation

Seamless operation

Here's a hint: it's all about having a 35mm bar diameter

so that's what we did

- Full PU liner and foam insulation blocks wind and cold

Shimano RD-M640 Zee 10spd parts-headset Seamless operationZEE Rear Derailleur SHIMANO SHADOW RD+ 10 speed For aggressive gravity MTB riding on a budget, the ZEE rear derailleur offers reliable, precise shifting through the roughest terrain. FEATURES SHIMANO SHADOW RD+ Short cage MTB 10 speed stable system Low profile design Close Ratio 2 spec available * No mode converter Wide ratio spec for Free ride >11 32T Close ratio spec for DH <11 28T Direct Mount Rear Derailleur option Total capacity: 25T Weight: 275g