Description:

Made of aluminum alloy material, light weight,high axial strength and compatibility.
Standard precision machining, which ensures ultimate chain retention, increases service life, and reduces friction and noise.
Suitable for road MTB mountain bike 68-73mm bottom width.
170mm crank arm length without any overlap of crank arm and chain ring bolt
A good replacement for bike repair, compatible with many bike models.

Specification:

Material: Aluminum Alloy
Arm Length: 170 mm/ 6.7 inch
BCD: 104mm
Weight : About 675g
Color:Black,Red,Blue,Purple,Gold,Silver for you choose

Package Includes:

1 Pair Crank Arms (left and right)
1 Piece Bottom Bracket
4 Pieces Single Chainring Bolts
4 Pieces Crank screw
1 Piece Wrench

Note:

Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!