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Brand Item: BBS 42T Chain Drop Protector
Great Compatity: Suitable for 250W,350W,500W,750W MID Drive Motor
Special Teeth: There are special two page teeth that can hold the chain well and tightly.
New Material:7075 CNC Alloy, AIRCRAFT Material (the most hardest alloy)
Light Weight: It's much lighter than the standard chainring, which can greatly reduce the pressure on the bicycle.
ebike Chainwheel Replacement Chainring and Chain Guard for Electric Bicycle Specifications: Number of teeth: 42T Chain material: 7075 Aluminum alloy. BBS01 BBS02 BBSHD replacement chain wheel. Note: 1. Due to different monitor and brightness settings, there are some color difference. 2. Only suits all electric bike MID BBS01 BBS02 BBSHD Mid drive motor Conversion Kit .