Pro quality wide range cassette with innovative X-Dome design. X-Dome machined-steel design minimizes weight while minimizing flex. New finish provides greater durability. Largest cog is aluminum. Use with SRAM XX1 or X1 chain. Requires use of XD driver (freehub body). Item Specifications: Weight, 268, Cassette Body Type, SRAM XD 11/12 Speed, Cassette Cogs, 10-12-14-16-18-21-24-28-32-36-42, Range, 10-42, keyword search, 1x11, Drivetrain Speeds, 11,.
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