Shimano ZEE M640 Shadow + Rear Derailleur – SS Short Cage

Shimano ZEE M640 Shadow + Rear Derailleur – Downhill – Short cage
The 10 speed Zee RD-M640 features Shadow Plus technology that significantly reduces chain noise and offers a more stable drivetrain.
Shimano’s Direct Mount compatible Rear Derailleur system gives more space around the rear frame dropout resulting in easier rear wheel removal but also allows frame designers to shorten chain stays, increase axel sizes and move suspension pivots
Direct Mount gives a simpler, cleaner look
Shadow features a super low profile design that reduces the risk of damage from trail side hazards
The shadow plus chain stabilizer tension can easily be adjusted externally via a hex key
Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. This can be switched off to remove the wheelShadow design slant angle has been optimized for use with 40-42T sprockets
Direct cable routing prevents snagging from any trail side hazards
Strong return spring for a positive shifting feel
Durable sealed bearing pulleys
10 speed
SS Downhill Spec Short Cage – 28t Maximum
SS Freeride Spec Short Cage – 36t Maximum
Colour: Black