Mid Motor Crank Arm Spline Hole 170mm Electric Bicycle Left and Right Motor Crank Arm for BOSCH

Feature: 1. Prime Materials: This electric bicycle mid motor crank arm is made of premium aluminum alloy, durable and strong support. 2. Small and Lightweight: This crank arm is designed to be small and lightweight, so it won't put too much pressure on the electric bikes. 3. Easy to Install: This mid motor crank arm is easy to install and disassemble, practical, simple to operate and easy to use. 4. Sturdy and Non Deforming: These crank arms are sturdy and durable. High strength, high hardness, not easy to deform. 5. Perfect Accessories: This motor crank arm is perfectly suitable for BOSCH mid motor, bringing good experience and performance performance.

Specification: Item Type: Mid Motor Crank Arm Product Material: Aluminum Alloy Weight: 540g / 19.05oz Center Distance: Approx. 17cm / 6.69in Specification: BNI MINI ISIS spline hole (10 teeth, raised point inner diameter about 15mm)

Package List: 2 x Crank Arm