Developed for extreme racing setups it reduces the overall shifting time per/race. You'll cut some extra weight without small ring and using only 4 female bolts.
Unique 15° machined chain ramps offer superior chain engaging on 8 different crank positions, this translates in super quick up-shifting performance. Special machined teeth help both up and down chain shifting.
Features & Information
Weight: 78gr set
Material: Ergal 7075T6
Construction: hyper accurate cnc
Ramps: 8 cnc with unique 15°angle
Compatibity: 2x9 and 2x10 speed compatible
Bcd (Bolt Circle Diameter): standard 104 mm 4 bolts
Finishing: black/hard anodized with machined sides