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Innovative Gearing. Because Hills.
You've been there. You're cranking into a climb and downshift. Your front derailleur drops from the high to low gear, and CLUNK, you lose all your momentum. For all those out there who have suffered this annoyance, put that issue to rest with the SRAM Rival XG-1250 D1 12-Speed Cassette.
X-Range Tech achieves wider range and tighter jumps by going to a 12-speed cassette. This shifts the gear range from the front of the drivetrain to the back.
SRAM's proprietary X-Range design employs smaller chainrings with a consistent 13T difference while giving the cassettes a 10T-start for a wider range (up to 10-36, or 360%!). That means you can stay on the same ring longer, requiring fewer front shifts, which are inherently less efficient than rear shifts. And when a front shift is executed, the smaller jump is smoother and allows you to get to the right cadence with fewer compensation shifts in the rear.
Fewer, faster front shifts make it easier for you to find the right gear, and that's a distinct performance advantage relative to traditional drivetrains.
This new cassette comes in both 10-30T and 10-36T ranges that cover road, gravel, and everything in between.
Nickel chrome plating
FULL PIN construction for durability and lightweight
Designed to work with an XDR driver body
Available in 10-30T and 10-36T configurations
Works best when paired with the SRAM Rival D1 12-Speed Flattop Chain w/PowerLock
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
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A guide to understanding and calculating bicycle gear inches.