ref#: 111470
Alloy Bottom Bracket Set American 21A 19mm Kit Black.

Alloy Bottom Bracket Set American 21A 19mm Kit Black.

• Shell: 68mm
• Spindle Type: 19mm
• Cup Type: Press Fit 51mm
• Interface: American
• Bearings: Sealed 41mm
• Material: Alloy
• Color: Black
• Converts American style 68mm B.B to Fit 3-piece 19mm spindle crank
• Brand: Alta