| Delivery time: |
Shipped within 1 to 2 work days |
Please allow a delivery delay of 5-10 business days on orders which include backordered items.
Specifications:
- JKA certified for Japanese's 250 Keirin Racing (12-16t)
- Hardened 4130 Cr-Mo steel
- Precision CNC machined
- Gen3 tooth profile
- Good durability
- 12-20 tooth
- 1/8” chain width
- Standard 1.37"x24" threads
- Sprocket offset: 6mm (flange to tooth center)
- Pair with Velobike Sprocket Spacers for greatest chain line efficiency
