T47BDUB Bottom Bracket Fits 86.5mm Width of Bicycle Frame(Black)

1. Connect the bicycle frame, with strong stability2. Material: aluminum + nylon + bearing3. Size: outer diameter 47mm, inner diameter 28.99mm4. Inner hole: 47mm5. BB-frame width: 86.5mm6. Net weight: 105g7. Packing list: 1 x bottom bracket x 1, 2mm rubber ring x 1, 4mm rubber ring x 1