Product Introduction
This 40T offset positive-negative tooth chainring is tailor-made for Bafang mid-drive motors, perfectly matching BBSHD, G320, M615 and M625 models. Optimized offset tooth structure solves the common chain drop issue of mid-motor electric bikes during off-road climbing and bumpy road riding.
Core Advantages
- Model-Specific Matching
Precision CNC drilling, completely fit original crank bracket of Bafang BBSHD/G320/M615/M625, no cutting or polishing required for installation.
- 40T Offset Positive-Negative Tooth Design
Special tooth shape locks the chain tightly, eliminates chain wobble and derailment, greatly lowering wear of chain and cassette.
- High Durability Alloy Material
Thick aviation-grade alloy, wear-resistant and anti-rust, withstand heavy load climbing and long-distance daily riding.
- Easy Installation
Comes with standard mounting holes, reuse original fixing bolts, compatible with single chainring modification scenes for mountain and commuter ebikes.
Compatibility
Fit Bafang Mid Motor: BBSHD / G320 / M615 / M625
Teeth Count: 40T
Style: Offset Positive Negative Tooth Single Chainring
Package Content
1 × 40T offset chainring (mounting bolts not included)
Warm Tip
Please confirm your motor model before purchasing to avoid installation mismatch.
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