70 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2" x 1/8" Bicycle Chain
- 70 tooth bicycle chain sprocket.
- Made of aircraft-grade tempered (hardened) aluminum alloy.
- 11.752" OD.
- 2.125" ID
- Five 5.1mm ID mounting holes.
- Fits onto our 5-hole freewheel item # FWM-205.
- Compatible with 1/2" x 1/8" bicycle chain (#410 chain).