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12-speed, cassette, Drivetrain, e*thirteen, How To, News, Tech -

Fight obsolescence. Upgrade your 11 speed SRAM™ drivetrain to 12 speeds without needing new shifters, derailleurs, cranks, or chainrings.

The post e*thirteen’s TRS Plus 12-Speed Upgrade Kit appeared first on Mountain Bike Review.

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12-speed, 1x, Components, News, Shimano, XTR -

Shimano's new race-ready drivetrain boasts a 10-51 cassette (510% gear range), smoother shifting, and a host of other improvements.

The post New Shimano XTR 12-speed: What you need to know appeared first on Mountain Bike Review.

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