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 integration. The smooth tooth progression keeps the gaps between the teeth tight when it's time to accelerate, with more significant gaps 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 rear derailleurs
• Compatible with Flattop chains
• For 11-speed road cassette bodies