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The 440% range of the SRAM XPLR XG-1271 cassette gives you smooth gear shifts when you're sweating on gravel climbs, and tight jumps at the top end when it's time to hit the pavement. The shifting features of each cog are optimized for electronic shifting, so you get fast, smooth, and precise shifts every time. 10-44 teeth.

SRAM XPLR XG-1271 properties:
X-Range technology offers a wider range and smoother gearing, so you are always in the right gear.
The 440% range provides the coverage that 1x-gravel riders want.
For use with XPLR 1x rear derailleurs.
Compatible with Flattop chains...