GUB BB8630 lock-in press-in bottom bracket
Product: GUB BB8630 lock-in press-in bottom bracket c
Suitable for frame five-way inner diameter: 41mm, width: 86mm-92mm,
compatible with 30mm axial sprocket wheel
Material: AL7075 aluminum alloy body + high quality nitrile seal + PE seal cover
Process: CNC T6 enhanced treatment
Features: Interlocking design can reduce noise & increase rigidity, sealing system is easy to maintain and lubricate, double O-ring design can effectively stop water from entering the five-way, and can be used as a buffer for the frame and BB
It is easy to tighten the middle shaft with the locking tool
N.W.: about 89 g, G.W.: about 103 g