The ACS Maindrive cassette hubs are made using lightweight low flange aluminum hub shells with sealed cartridge bearings throughout, solid (10mm) 3/8" chromoly axles and steel hardware to prevent stripping. The rear cassette hub features a 4 pawl chromoly driver for increased durability and includes 14T through 18T Shimano compatible cassette cogs for easy gear ratio changes while out at the track.
- 10mm Chromoly Axles
- Right Hand Drive Chromoly Driver with 14T-18T Shimano Cogs
- 4-Pawl System
- Weight: Rear Hub 470g / Front Hub 238g