Wolf Tooth Components Bottom Bracket, BSA Shell, 24mm for Shimano, Raw Silve Cleats Styled like the SH-55 SPD

Styled like the SH-55 SPD cleats

Manufacturer Part Number: WH18NXRBST31XD27

5 ~ 6 hour run time per charge

- Uses Formula's mineral oil that has a higher boiling point and lower freezing point than other mineral oils

- The shifting is as good as with the original Dura Ace cage

Wolf Tooth Components Bottom Bracket, BSA Shell, 24mm for Shimano, Raw Silve Cleats Styled like the SH-55 SPDCustom engineered by Wolf Tooth to be durable, reliable, lightweight, and smooth Weather sealing was a main focus with o ring seals on the spindle and inner shell, a wiper connection seal between the bearing and the end cap, bearing race seals, and labyrinth end cap design To prevent creaking, spindle bushings separate the bearing inner race and crank spindle to eliminate metal on metal contact Custom chrome bearings are hardened for durability and