
Genuine Bafang Chain Stabilizer anti-drop chain guide, perfectly fits Bafang M500 M600 G520 G521 mid-drive e-bike motors. Effectively prevents chain dropout under high torque & rough terrain to improve riding safety.
✅ Perfect fit for Bafang mid-drive motors: M500, M600, G520, G521
❌ Not compatible with other Bafang mid motors (M510/M560/M820/BBS series) or hub motors.
✅ Custom-molded for Bafang M500 / M600 / G520 / G521 mid motors: Precise mounting points, simple bolt-on installation without frame modification.
✅ Reliable Anti-Chain-Drop Performance: Holds chain tightly during high torque output and rough terrain riding, stops chain slipping or dropping off the chainring.
✅ Protect Drivetrain: Avoid chain scratches on frame and chainring damage caused by derailment, extend service life of crankset and chain.
✅ Durable Construction: Reinforced engineering plastic structure, impact-resistant for mountain and heavy-load ebike applications.
✅ Quick & Simple Installation: Direct bolt-on replacement, matches original mounting hole positions.
Brand: Bafang
Product Name: Chain Stabilizer / Anti-Drop Chain Guide
Compatible Motor: Bafang M500, M600, G520, G521 Mid-drive Motor
Material: Reinforced Engineering Plastic
Function: Prevent chain dropout, stabilize chain operation
Application: E-bike off-road, high-torque & heavy-load riding
Color: Black
Package: 1 × Bafang Chain Stabilizer

We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.
It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.

For more FAQs and further details, please get in touch with us
We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.
We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.
All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.
Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.
Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.
Sea freight, air freight and rail transport are optional.
Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.
We provide part identification, model matching and full order follow-up support.
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