Maximum range, minimal hassle. This 12-speed 11-44T cassette provides 2x range in a 1x package and fits onto a traditional 11-speed HG cassette body for broad compatibility. The smooth tooth progression keeps the jumps between gears tight when it's time to accelerate, with more significant jumps for climbing.

Specifications and features:

• 12-speed
• Tooth sizes: 11, 12, 13, 15, 17, 19, 21, 24, 28, 32, 38, 44
• For use with XPLR 1x derailleurs
• Compatible with Flattop chains
• For 11-speed road cassette bodies