55 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2" x 1/8" Bicycle Chain
- 55 tooth bicycle chain sprocket.
- Made of aircraft-grade tempered (hardened)
aluminum alloy.
- 9.362" 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).