Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed - Short Cage - Close Ratio DH Model=e-Martello Tire 8mm rise +/-5 deg length

8mm rise +/-5 deg length 50mm color silver

it can also be fitted at the rear for even more grip

Revised for 2019 the OneUp Guide uses simple

Wide and chamfered bar clamp diffuses the clamping force and adds rigidity to the bar/stem interface

With its slim design this multi-tool can be stowed inside an EnCase System Storage Sleeve to be carried in handlebar ends as it was designed or a mainstay on any home workbench

Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed - Short Cage - Close Ratio DH Model=e-Martello Tire 8mm rise +/-5 deg lengthShimano ZEE RD M640 SS Rear Derailleur 10 Speed Short Cage Gray With Clutch Close Ratio For DH. Shimano ZEE RD M640 Rear DerailleursShimanos stabalizing Shadow RD+ clutch technology is proven to reduce chain slap and noise TECH SPECS Largest Cog 28 Color Gray Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 10 Weight 250 Chain Wrap Capacity