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 Spanish shells (73mm wide, 37mm ID
- Color: Silver
- BB Style: Spanish
- Fits Spindle Diameter: 19mm/.750
- Catalog Page: 305
- Weight/Dims: .31 lbs. 4 x 2 x .75