38 Tooth Sprocket for #410 (1/2" x 1/8") Bicycle Chain with F4 Mounting Pattern
- Made from Aircraft Grade Tempered (Hardened) Aluminum
- For #410 (1/2" x 1/8") Bicycle Chain
- 38 Teeth
- F4 Mounting Pattern
- 2.13" (54.1mm) ID
- Four 0.244" (6.2mm) ID Bolt Holes Equally Spaced at 90 Degrees
- 2.559" (65mm) Bolt Circle Diameter