ZTTO BB30 MTB Road Bike Frame 4-bearing Aluminum Alloy Thread Lock Bottom Bracket Tempered Glass Two large universal balls with

Two large universal balls with 360° rotation

and cameras

Brake light: 12V

Data transfer rate of up to 480Mbps

ZTTO BB30 MTB Road Bike Frame 4-bearing Aluminum Alloy Thread Lock Bottom Bracket Tempered Glass Two large universal balls withSuitable for frame bottom bracket: BB30, inner diameter 42mm, length 67 73mm Suitable crankset: BB30 PF30, which is a 30mm axis crankset Engineered from high quality material, which ensures durability and performance for your cycling needs Material: aluminum alloy + bearing Package included 1 x Bicycle Bottom Bracket Specifications Brand ZTTO Color As Shown Packaging Type Paper Box Plug Type (For Supply) N A User Manual (Language) No User Manual Gross