Profile Racing Elite Outboard Bottom Bracket Description: The Profile Racing Elite Outboard Bottom Bracket keeps you rolling nice and smooth. Designed specifically for the Profile Elite Aluminum crankset, this kit can certainly be used with other 30mm spindle set ups. Includes: Left & right threaded cups Sealed bearings (x2) Outer seals (x2) Thick plastic spacers (x4) Thin plastic spacers (x2) Specifications: Material: Aluminum Spindle Size: 30mm Color: Black Weight: 3.3 oz (94.3g)