Shimano ZEE FC-M640 Crankset - 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK

Shimano ZEE FC-M640 Crankset - 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLKShimano ZEE FC M645 M640 Crank Bottom Brackets SetsThick wall aluminum construction Reinforced steel axle with 30% greater stiffness compared to Trail designated crank options Steel pedal inserts Includes SM BB52 68 73 bottom bracket Color Black Rings 36 BB Frame Interface English Number of Chainrings Single BB Shell Width (mm) 73 Crank Length (mm) 170, 175 Crank Intended Use Mountain Drivetrain Speeds 10 Weight 906 Pedal Spindle 9 16" BB Included Yes

142 x 12mm thru-axle or 148 x 12mm Boost hubs

Bolt forces are aligned with the clamp so that the stem body embraces the handlebar which is less prone to damaging lightweight bars

Engineered for coarse loose conditions and ready for the roughest rides making it the ideal choice for adventurous endurance rides and technical gravel events

taste-free

Knurled barrel design for superior grip during pumping

All e-tube wires may be used for internal or external applications

When you roll up to the start line

These quick detach fork packs (or any 3-pack mount) are 100% waterproof with TPU fabric welded seams and Hypalon reinforcements to keep your gear dry

D-Fuse handlebar and seatpost work as a system to add compliance without sacrificing stiffness while cornering

• 9 forged and plated tools

coupled with an HDPE stiffener

The GR 531 is made for off-road adventures