38 Tooth Sprocket for 8mm Chain
- 100mm (4") OD, 54mm (2-1/8") ID.
- 4mm thick.
- 4 bolt mounting pattern.
- Adjacent mounting bolt holes are spaced 47mm (1-3/8") apart from center to center.
- F4 mounting pattern (works with 4-hole and 16-tooth freewheels).
- Made from steel with a zinc-plated finish.