Lebycle Left Bike Crank Arm 170Mm Single Chain Left Aluminum Alloy Bicycle Crank Arm

Features:
1. Made of high quality aluminum alloy, it is lightweight, super strong, resistant to deformation and durable.
2. Standard holes are precision cut to ensure a perfect fit to the bike and easy to install.
3. There is only one crank arm on the left. The crank arm length is 170 mm / 6.7 inches. There is no overlap between the crank arm and the chainring bolt.
4. The bike crank arm helps ensure maximum chain retention, extends life, and reduces friction and noise.
5. A good replacement for bicycle repair, compatible with many bicycle models, and has a wide range of use.

Specifications:
Item Type: Bicycle Crank Arm
Material: Aluminum Alloy
Product Color: As Pictures Shown
Total Length: Approx. 205 mm / 8.1 inch
Center distance of two holes: approx. 170mm / 6.7inch
Product weight: approx. 210-271g / 7.4-9.6oz
Specification: 170mm crank on the left side of the chainring
Package list:
1xBike crank arm
Note:
1. It is suitable for square hole bottom bracket, please pay attention to whether the original car crank is square hole or diamond hole when buying (please refer to the product picture). Keep the left and right arm holes the same. Some exercise bikes may not be available, please confirm length and connection port.
2. If the crank was replaced once, the bottom bracket should be replaced when the crank is updated again, because the life of the bottom bracket is usually only 2 times.