- Features at least five one-tooth jumps for a smoother gear progression
- 10-tooth start helps provide a wider gearing range
- Designed to work with an XDR driver body
- MINI CLUSTER construction reduces weight and increases durability
- All Zipp wheels starting from 2012 are XDR ready
- SRAM Force XG-1270 cassettes sold prior to 2021 have a black finish. In 2021, the design was updated to a nickel-chrome finish.