Bafang ISIS Crank Arm Set, Aluminum Alloy 152mm 170mm ISIS‑10‑Spline Crank Pair for Bafang M500 M510 M600 M800 M420 M560 Mid‑Drive E‑Bike Spare Part

Bafang ISIS Crank Arm Set 152mm / 170mm Aluminum Alloy

This practical aluminum‑alloy Bafang ISIS crank arm set is dedicated replacement spare parts for Bafang M‑series mid‑drive motors. Adopts standard ISIS‑10‑spline interface, lightweight 471g per pair, available in 152 mm and 170 mm crank‑length options. Ideal for replacing bent, worn or cracked original crank arms.

Compatibility

✅ Bafang Mid‑Drive Motors：M500, M510, M600, M800, M420, M560

Note: Only fits motors with ISIS‑10‑spline interface. Not compatible with Shimano Octalink (8‑tooth spline) or square‑taper / JIS square spindle.

Precise Dimensions

Package Includes

1 pair × Bafang ISIS Crank Arms (Left Crank + Right Crank)

Key Features

✅ Precision ISIS‑10‑Spline Dimensions：Manufactured to OEM spline specification, ensures tight‑fitting connection and prevents crank slipping under pedaling torque.

✅ Durable Aluminum‑Alloy Construction：Solid aluminum‑alloy material delivers sufficient rigidity for daily e‑bike riding, balanced strength and lightweight performance.

✅ Dual Crank‑Length Options：152 mm for low‑Q‑factor / small‑frame bikes; 170 mm standard length for most mountain and city ebikes.

✅ Light‑Weight Pair：Total pair weight only 471g, avoids adding excessive load to your e‑bike system.

✅ Direct Drop‑in Replacement Spare Part：Direct swap for original cranks during ebike maintenance and motor rebuild.

Specifications

• Product Name: Bafang ISIS Crank Arm Set
• Material: Aluminum Alloy
• Crank Length: Optional 152 mm / 170 mm
• Spline Type: ISIS‑10 Spline
• Pair Weight: 471g
• Compatible Motors: Bafang M500, M510, M600, M800, M420, M560 Mid‑Drive Motors
• Color: As shown in the picture
• Package: 1 pair crank arms (Left + Right)

Important Notes

Please verify your motor model and confirm it uses ISIS‑10‑spline interface before placing your order to prevent incompatibility. Not compatible with square‑taper or Octalink motors.

Please select your required crank‑length (152 mm or 170 mm) when ordering.

Minor color differences may appear due to lighting conditions and screen display variations.

Allow mechanical measurement tolerance.

Only crank arms are included; pedals, chainring, crank bolts and mounting accessories shown in reference images are not part of the package.

Perfect spare parts for e‑bike repair stores, DIY motor rebuilders and ebike wholesale distributors. Cost‑effective crank replacement to restore original pedaling performance for compatible Bafang mid‑drive ebikes.