An intricate component in the redesign of SRAM's Red eTap AXS group is that of its Red XG-1290 12-Speed Cassette. To go 12-speed, you need well, 12 cogs, but it's so much more than just that. Because of its 10-tooth starting cog afforded by its XDR driver body, it opens up a whole new, wider...

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Lighter than 300 grams, the SRAM X01 X-Glide XG-1195 Cassette brings XX1 technology to the masses -- including all of the XD Driver Body, X-Dome, and 11-speed goodness. Improving on the interface between a cassette and freehub, SRAM's XD Driver Body allows the use of a 10-tooth cog in place of...

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