B.B. Parts Road SHIMANO Others BB-RS501 Ind. Pack EBBRS501B
THREADED BOTTOM BRACKET 68/70 MM
The SHIMANO TIAGRA bottom bracket uses a new seal construction for long-lasting performance.
HOLLOWTECH II bottom bracket / Threaded bottom bracket type
Average weight : 93
SHIMANO
WOP-COMPO, B.B. Parts