12 speed RSS
e*thirteen’s TRS Plus 12-Speed Upgrade Kit
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.
New Shimano XTR 12-speed: What you need to know
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.