E-Bike Crank Arm
E-Bike Crank Arm – Solid Power Transfer, Every Pedal Stroke
A bent or worn crank arm kills your pedaling efficiency and can be a safety hazard. This replacement e-bike crank arm restores smooth, direct power transfer from your legs to the drivetrain — available in left or right, sold individually or as a pair.
- Left & Right Available: Order the exact side you need — or grab a pair and save
- Durable Alloy Construction: Built to handle the torque demands of daily e-bike riding
- Direct Replacement: Compatible with standard e-bike bottom bracket spindles (D77, DS-8, DS-9, D93, D93 PRO, J1)
- Smooth Pedaling: Precise fit eliminates play and wobble for efficient power delivery
Replace just the arm you need — order your replacement crank arm today.
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
FAQs
What should I do if I receive damaged or wrong parts?
Please contact our customer service with order number and photos, we will help you resolve the issue.
How fast will spare parts be delivered?
US delivery normally takes 10‑15 business days.
What is the warranty period for spare parts?
3‑month warranty against manufacturing defects. The warranty does not cover wear‑and‑tear from daily use.
Which models are these spare parts compatible with?
These replacement parts are designed for our brand e‑bikes. Please confirm your original part number and model before ordering to ensure proper fit.