37 Tooth Sprocket for #420 Chain with R34 Mounting Pattern
- Made from aircraft-grade tempered (hardened) aluminum alloy.
- 37 tooth sprocket for #420 chain.
- R34 mounting pattern.
- 29.1mm ID.
- 39mm bolt circle diameter.
- Three 6.2mm ID bolt holes.
- Adjacent bolt holes are spaced 33.77mm center to center distance apart from each other.