Shimano TOURNEY TX800 English SQUARE-JIS 68x118mm Bottom Bracket with Chaincase
Shimano BB-UN300 Square Taper bottom bracket for cranks with JIS Square Taper mounting. Suitable for frames with BSA thread 68 mm housing width.
- SHIMANO quality/performance cartridge bearing square bottom bracket
- Better chainline stability with chain line stabilizer
- Standard, E-type, chain case options
- Adapter material: Aluminum