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Need more range? The e*thirteen TRS Race 11-speed cassette could be the answer. With a 9-46 tooth spread, it provides a 511% range, beating out the recently introduced SRAM Eagle design. It mounts to XD drivers and weighs 280g, which is actually 40g less than the smaller TRS+ cassette. This is due to a single-piece steel design. Retail is $350 for the TRS Race while the smaller TRS+ will drop to $280. The largest aluminum cogs are replaceable unlike competitor designs.