Sram’s lighter and stronger Sram Red XG-1290 E1 cassette also breaks new ground in gear selection. Four different cassette options, including the first RED 10-30T and 10-36T cassettes, each offer safe shifting ramps designed specifically for electronic shifting, whether you’re riding on the road with a 10-28T or creating an all-road setup with a 10-36T. Carefully selected jumps keep you in the right gear when out of the saddle on steep climbs and make subtle adjustments to hold a wheel as you approach a sprint.
- Designed for smooth and fast shifting.
- Gradual shifts between gears-at least five one-tooth jumps on 10-28-tooth, 10-30-tooth, and 10-33-tooth cassettes-while offering a wider range.
- The 10-tooth start offers a wider range of ratios.
- 10-30T and 10-36T options available for the first time in RED.
- Designed for use with an XDR driver case.
- One-piece machined steel X-DOME design to reduce weight.
- Available in 10-28T, 10-30T, 10-33T and 10-36T.
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