85 Tooth Sprocket for #420 Chain with F4 Mounting Pattern
- Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy
- F4 Mounting Pattern
- 85 Teeth
- For #41 and #420 Chain
- 13.8" Outside Diameter
- 54.1mm ID Bore
- Four 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees
- 65mm Bolt Circle Diameter
- Fits 4-Hole Freewheels Item # FWM-120 and FWM-125
- Fits 16-Tooth Freewheels Item # FWM-100 and FWM-180