Bicycle Crank Arm Bike Crank Left Arm Bicycle Replacement Crank Arm 170mm Aluminum Alloy Left Single Chain Crank Arm for MTB Road Mountain

[High Quality]: Made of high quality aluminum alloy, durable and strong for long time use
[Exquisite Workmanship]: This arm crank has fine polish and great paint, which is colorfast and stylish
[Size and Style]: Size: approx. 21 x 4 x 3cm / 8.27 x 1.57 x 1.18in. This 170mm bicycle crank arm is compatible with many bike models, and it is available in 2 models and 2 colors ( black-square hole; black-rhombic hole; silver-square hole; silver-rhombic hole ).
[Easy to Install]: The left hand crank arm has standard precision cutting of hole, which ensures perfect fit to bike, easy to install
[Applicable]: A great replacement of crank arm; Suitable for road bike, mountain bike, folding bike, fixed gear bicycle, etc

Specification:
Material: Aluminium Alloy
Options: Black-Square Hole; Black-Rhombic Hole; Silver-Square Hole; Silver-Rhombic Hole
Size: Approx. 21 x 4 x 3cm / 8.27 x 1.57 x 1.18in
Hole Distance: 170mm
Fit for: Left side
Weight: Approx. 200-214g

Package Included:
1 x Crank Arm