A notch above the , the RD4 Track Crankset uses a RD4 "Mighty Comp" Crankarm which is a high-end racing quality crank machined with high precision made in Japan.
- 1/2 X 1/8"
- 47T - 49T
- Black / Silver
If you require a Bottom Bracket, you may purchase the Crankset (w BB) .
Photo Credit: Sugino