Bafang BBS01 BBS02 Chain Wheel Chain Ring 42T 36T Aluminium Alloy

1. Specification of 42T Chainwheel:
Material: Aluminium Alloy 6061 T6
Suitable Motor: Bafang Mid-drive BBS01 BBS02
Teeth Quantity: 42T (Positive and Negative Tooth Design)
Max Diameter: 175mm
Max Thickness: 14mm
Offset: 7mm
Speed:  6/7/8/9/10/11 speed chain 
Surface Treatment: Black Anodized/ Red Anodized/ Blue Anodized
Net Weight: 155g

2. Specification of 36T Chainwheel:
Material: Aluminium Alloy 6061 T6
Suitable Motor: Bafang Mid-drive BBS01 BBS02
Teeth Quantity: 42T (Positive and Negative Tooth Design)
Max Diameter: 175mm
Max Thickness: 14mm
Offset: 7mm
Speed:  6/7/8/9 speed chain 
Surface Treatment: Black Anodized
Net Weight: 90g