Enduro 24×37 ceramic hybrid sealed bearing for 24mm crank spindle applications. Direct OEM replacement for most BB86/92, Trek BB90/95, and with all Wheels Mfg. PF30 outboard, BB30 outboard, and BSA threaded bottom brackets. – Dimensions: OD: 37mm / ID: 24mm / Width: 7mm – Imported – Sold individually (Requires two to service both sides of bottom bracket)