SRAM have designed the XG-1270 cassette specifically for the next generation of road drivetrain and the next generation of road rider. Optimized for electronic shifting and featuring Deep Range™ gearing technology, this cassette allows you to ride more places, more efficiently.
• 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