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Bafang Mid‑Motor Chainring Adapter, 104BCD Aluminum Alloy Adapter for M200 M300 M400 G330 Mid‑Drive Ebike Crankset
Bafang Mid‑Motor Chainring Adapter, 104BCD Aluminum Alloy Adapter for M200 M300 M400 G330 Mid‑Drive Ebike Crankset - Image 2
Bafang Mid‑Motor Chainring Adapter, 104BCD Aluminum Alloy Adapter for M200 M300 M400 G330 Mid‑Drive Ebike Crankset - Image 3
Bafang Mid‑Motor Chainring Adapter, 104BCD Aluminum Alloy Adapter for M200 M300 M400 G330 Mid‑Drive Ebike Crankset - Image 4
Bafang Mid‑Motor Chainring Adapter, 104BCD Aluminum Alloy Adapter for M200 M300 M400 G330 Mid‑Drive Ebike Crankset - Image 5
Bafang Mid‑Motor Chainring Adapter, 104BCD Aluminum Alloy Adapter for M200 M300 M400 G330 Mid‑Drive Ebike Crankset - Image 6
Bafang Mid‑Motor Chainring Adapter, 104BCD Aluminum Alloy Adapter for M200 M300 M400 G330 Mid‑Drive Ebike Crankset - Image 7

Bafang Mid‑Motor Chainring Adapter, 104BCD Aluminum Alloy Adapter for M200 M300 M400 G330 Mid‑Drive Ebike Crankset

104BCD aluminum alloy chain ring adapter for Bafang M200 M300 M400 G330 mid‑drive motors. Optimized for matched crank lengths, correct chainline alignment for stable drivetrain power transfer.

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104BCD Chain Ring Adapter for Bafang Mid‑Drive Motors

This heavy‑duty chain ring adapter provides universal fit for Bafang mid‑drive motors. Compatible with M200, M300, M400 and G330 mid‑drive units, it achieves seamless integration with popular e‑bike drivetrain systems to boost overall reliability and riding performance.

Compatibility

✅ Bafang Mid‑Drive Motors: M200, M300, M400, G330

✅ Fit for 104BCD cranksets

✅ Optimized for factory crank lengths of M200, M300, M400

Precise Specifications

表格
ParameterValue
Product NameChain Ring Adapter
BCD Standard104BCD
MaterialHigh‑quality Aluminum Alloy
FunctionChainline alignment, chain ring mounting, stable power transmission

Package Includes

1 × Chain Ring Adapter for Bafang Mid‑Drive Motors

Key Features

✅ Universal Bafang Mid‑Motor Compatibility: Perfectly fits Bafang M200, M300, M400 and G330 mid‑drive motors for seamless integration with existing e‑bike drivetrain assemblies.
✅ Exact 104BCD Crankset Fit: Precision‑machined for 104BCD cranksets, guarantees smooth power transfer and steady drivetrain efficiency under diverse riding conditions.
✅ Robust Aluminum Alloy Build: Constructed from premium aluminum alloy material, offers outstanding structural strength and wear resistance for reliable performance during heavy‑load and rough‑terrain usage.
✅ Optimized Chainline Alignment: Specially engineered to match M200, M300, M400 original crank lengths. Maintains correct chainline position and enhances the whole drivetrain working condition.

Specifications

Brand: Aftermarket spare part

Product Name: Chain Ring Adapter

BCD: 104BCD

Material: Aluminum Alloy

Compatible Motors: Bafang M200, M300, M400, G330 mid‑drive motors

Optimized For: Original crank lengths of M200, M300, M400

Color: As shown in the picture

Package:1 × Chain Ring Adapter

Important Notes

Please confirm your motor model is M200 / M300 / M400 / G330 and your crankset uses 104BCD standard before ordering to prevent fitting errors.
Minor color differences may appear due to lighting conditions and screen display variations.
Only items listed in packing list are included; other accessories shown on reference photos are not contained.
Practical upgrade spare for ebike repair workshops, DIY e‑bike builders and wholesale distributors to optimize drivetrain assembly for Bafang mid‑drive e‑bikes.
 
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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.

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Flexible mixed‑batch ordering is a game‑changer for my business. Low‑risk trial‑order options, fast delivery and solid OEM‑ODM service help me expand my product range with zero inventory pressure.

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We have been sourcing e‑bike components from them for over one year. Product quality is consistent, and their responsive after‑sales support makes our daily shop‑running much easier. Highly recommended.

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Frequently Asked Questions

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.