Sram BB30 steel bottom bracket

This is a brand new reference involving different frame requirements and a different bottom bracket design. With a 30 mm axle, it requires oversized bottom brackets of 68 mm (for road bikes) or 73 mm (for mountain bikes) with an internal diameter of 42 mm. The bearings are press-fit and held in place with circlips. - Compatible with all Sram or Truvativ BB30 cranksets - Compatible with road and mountain bikes - Can only be mounted on BB30 frames with an internal diameter of 42 mm and a width between 68 and 73 mm - 64 grams in steel ball version.