Features:
1. Special bearing placement technology increases its the service life;
2. Separate rubber gasket, with built-in spring against sliding gap, no gap using; prevent dust and moisture from entering bearing, excellent water resistance performance;
3. Double sliding rubber gasket, not increasing the resistance of rotating bearing, very smooth;
4. Aluminium alloy bushings allow more direct power transmission of the crank with great rigidity;
5. 86-92mm bottom bracket, built-in sealed bearing with sealing ring;

Specifications:
Material: AL70 75 aluminum+ PE (polyethylene) hose
Bearing: stainless steel axis
Color: black(white inner tube)
Weight: about 113g
Packing: PP (polypropylene) box

Package Content:
1 x Bicycle Bottom Bracket