Butuc Pedalier Shimano Bb-Un300 Ax 68Mm Patrat Cu Suruburi 118Mm Chain Case

Shimano BB-UN300 Square Taper bottom bracket for cranks with JIS Square Taper mounting. Suitable for frames with BSA thread 68 mm housing width. Features - Shimano BB-UN300 Square Taper 68mm BSA Bottom Bracket SHIMANO quality/performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer Standard, E-type, chain case options Adapter material: AluminumCrankarm fixing bolts includedProduct features Model: BB-UN300 BB-Type: Square Taper Threaded: BSA Threaded BB shell width: 68mm Axle length (choose variant)115mm117.5mm127.5mm115mm E-Type 118mm Chain CaseMaterial Steel