This 40T/48T aluminum chainring is precision-engineered for the Bafang BBSHD 1000W mid-drive motor (G320 series), also compatible with BBS03.
- Compatibility: Bafang BBSHD (1000W), BBS03
- Tooth Options: 40T / 48T（also 42T/44T/46T available）
- Material: High-grade aluminum alloy, anodized finish
- Design: Narrow-wide teeth, 7mm offset, CNC-machined
- Weight: ~135–200g（lighter than steel）
- Installation: Direct bolt-on, no modification needed
- Application: 1000W e-bike, mountain bike, fat bike
It delivers reliable performance under high torque, reduces chain drop, and improves pedaling efficiency for both daily commuting and off-road riding.
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