Shimano Zee FC-M640 68/73mm Crankset. Shimano's ZEE line is designed for those of us who don't have big name sponsors, but still love to crush lines. Featuring a DH specific design, ZEE components are ready to take anything you can throw at them.

zee rear derailleur 10s RD-M640-SS For aggressive gravity MTB riding on a budget, the ZEE rear derailleur offers reliable, precise shifting through the roughest terrain.

Apr 28, 2012 · "...If you’re looking for a new economical great performing crankset, the Shimano FC-M640 Zee 10 Speed Crankset may be a great choice...." Read more " Great budget downhill or XC crank for the lead of foot.

Shimano offers two models of the Zee - A "DH spec" that fits up to a 28 tooth cassette, and a "Freeride spec" that fits up to a 36 tooth cassette. This is accomplished using a different sized b-link that can be purchased independently for converting your rear derailleur between modes.

The ZEE FC-M640 crank is designed for the rigors of gravity riding with thick-wall 2-piece cranks, a strong, steel axle, and steel pedal inserts. Crush every line with confidence and control.

Featuring Shimano's innovative Shadow Clutch system that virtually eliminates chain slap and a compact shape designed to protect the derailleur from impacts, the Zee rear derailleur is specifically designed to handle the rigors of extreme downhill and sets a new standard for durability and performance.

This is Shimano ZEE RD-M640 Rear Derailleur. Features: Shadow Plus technology proven to reduce chain slap, drop and impact noise and the 10-speed short cage rear derailleur's low-profile tucks safely below the cassette cogs; Choice from Free-Ride (wide cassette range) or Downhill (close ratio cassette) Specifications: Speed: 10 Speed

With an axle 30% stronger than comparable trail cranks and smooth running, accurately aligned chain wheels, the Zee crank will perform reliably - run after run. To further increase durability the axle is compatible with outboard bearings and the pedal inserts are constructed out of steel.

Shimano ZEE RD-M640 Rear Derailleurs FR spec designed for use with wide-range cassettes; up to 36t max cog Shadow Plus technology proven to reduce chain slap, drop and impact noise and the 10-speed short cage rear derailleur's low-profile tucks safely below the cassette cogs