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About Old Man Mountain
Lightweight Injected EVA Foam
Easy to squeeze
Weight XC11: 215g
Sram PG-1231 Rival XPLR 12-spd Cassette instorepickupbikes About Old Man MountainMaximum range, minimum fuss. This 12 speed 11 44T cassette provides 2x range in a 2x package and fits on a traditional 11 speed driver body for broad integration. The smooth cog progression keeps jumps between cogs tightest when its time to go fast, with more meaningful gaps for climbing. 12 speed 400% range gives the coverage 1x riders want Cog sizes: 11, 12, 13, 15, 17, 19, 21, 24, 28,32, 38, 44 For use with XPLR 1x rear derailleurs Compatible with
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