ZTTO Bicycle ISO Square Taper Bottom Bracket 103 107 110.5 113 116 118 120 122.5 124.5 127.5mm BSA 68mm Threaded BB Bike Parts

Description

ZTTO Bicycle ISO Square Taper Bottom Bracket 103 107 110.5 113 116 118 120 122.5 124.5 127.5mm BSA 68mm Threaded BB Bike Parts

BSA Bottom Bracket-Quare Hole For 68mm Frame Shell weight:about 316g Size: 68 X 103/107/110.5/113/116/118/120/122.5/124.5/127.5mm cups thread size and pitch: 34.798mm 1.37 x 24TPI Structure: 2 Sealed Bearings Sealed bearings and high quality spindle make it last for years and its maintenance free. The steel shell can absorb roundness tolerance for installing ports of Bracket Bottom. Integrated System can protect the frame, more power output, its better than ordinary structure bottom bracket.