Description:
Practical features: Crank arms help ensure ultimate chain retention, extend life and reduce friction and noise.
Sturdy material: The crank arm set is made of aluminum alloy, which is stable in structure, durable and long-term use.
Easy to use: Bicycle cranks arms have L and R distinctions, which are easy to install and distinguish, very convenient.
Good compatibility: Bicycle cranks are suitable for common spinning bikes with mid-mounted motors or other similar vehicles.
Distinguish installation: The shape of the left and right cranks is the same, and the threads for installing the pedals are positive and negative threads.

Specification:
Material: Aluminum Alloy.
Size: Length: approx. 21 cm/8.27 inch.
Hole spacing: approx. 17 cm/6.69 inch.

Package Includes:
1 Pair Left Right Crank Arm.