Shimano ZEE FC-M640 Crankset - 170mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK Weight (Grams)-660 5mm Hole 32 Brake Rim

5mm Hole 32 Brake Rim Type Non-Tubeless Material Aluminum ERD 612mm Color Silver Weight 460g Hub Drilling 32H

105 x 110mm platform with 10 pins per pedal

400mm locking length

Competion and race bred 4° x 8° geometry

Drop-Stop® CX/Road/Gravel Chainrings

Shimano ZEE FC-M640 Crankset - 170mm 10-Speed 36t 104 BCD Hollowtech II Spindle Interface Includes Bottom Bracket BLK Weight (Grams)-660 5mm Hole 32 Brake RimShimano 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 Crank Intended Use Mountain Drivetrain Speeds 10 Weight 906 Pedal Spindle 9 16" BB Included Yes