EXACT ACTUATION technology eliminates slop and shifting variation

built for race-day efforts on hard-packed gravel and backroads but practical enough for your daily commute and rides around town

Noiseless function

non-greasy skin lubricant that prevents chafing

It also has a valve with cord to compress the packed volume

Shimano TOURNEY TX800 English SQUARE-JIS 68x118mm Bottom Bracket with Chaincase wahoopromo EXACT ACTUATION technology eliminates slopShimano 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