- Micro Drive II chainrings are compatible with 1-piece and 22mm 3-piece BMX cranks
- CNC machined 6061T6 alloy construction
- CHAINRING BK-OPS 25T MICRO DRIVE II ALY SL
Teeth: 25T
Material: Alloy
Color: Silver
Chain Compatibility: 1/2" x 1/8"
Tooth Type: Standard