OneUp Cassette Cog 42T SR Blk


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  • 10-speeds: (11-13-16-19-21-24-28-32-36-42
  • Sprocket material:   7075-T6 (40/42), Chrome plated hardened steel, (16T)
  • Sprocket weight: 18g (16T), 71g (42T)
  • OneUp adapted cassette weight increase:   51g
  • Typical 3x to 1x system weight decrease:  367g
  • Cassette range improvement:  17% 

The OneUp Components Sprocket gives you 90% of the benefit of 1x11 systems at 10% of the cost. Incredibly simple to install, it fits behind most 11-36 cassettes, displacing one sprocket from the main cluster.

- 16T sprocket provides more even cassette progression for smoother cadence and improved shifting

- Compatible with most SRAM and Shimano 10spd components

- Compatible with 1x10 and 2x10 drivetrains

- Uses standard freehub driver  bodies  

- 12 upshift points optimized for most 11-36 cassettes

-  Uses original 28,32,36T steel sprockets for maximum  durability

Patented (US 9,011,282) other patents pending