Convert your Profile Racing 3-piece American Bottom Bracket or Profile Racing Euro Bottom Bracket crankset to a Mid or Spanish bottom bracket style (using your current arms and spindle). Conversion kit comes with R-12(Mid) OR Spanish bearings, cone bearing covers (in color choice), tube spacer (2) and spacer washers.
- Include bearings and spacers for Mid shells (73mm wide, 41mm ID)
- Color: Black
- BB Style: Mid
- Fits Spindle Diameter: 19mm/.750
- Catalog Page: 304
- Weight/Dims: .45 lbs. 5 x 5 x 2