CeramicSpeed BSA Road 24mm Coated Bottom Bracket Ski Packs Shimano’s SM-BB52D Hollowtech II Bottom

Shimano’s SM-BB52D Hollowtech II Bottom Bracket is outboard-bearing and compatible for use with 24 millimeter spindle cranksets

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- Tire Type Clincher

330 denier mini ripstop nylon w/ PU coating (main) 420 denier oxford nylon w/ PU coating (high wear areas) 200 denier polyester (lining)

CeramicSpeed BSA Road 24mm Coated Bottom Bracket Ski Packs Shimano’s SM-BB52D Hollowtech II BottomA threaded bottom bracket that offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings Features *Grade 3 Silicon Nitride balls *Coated races increase bearing service life by increasing hardness of race and reducing corrosion *Reinforced polyamide cage and non contact seals *Hand built in Denmark