Swytch makes the Go conversion kit — we rated 4 stars in our Swytch Go review — and a range of different kits for different bikes. You can get an Air mountain bike conversion kit for $499 ...
With a conversion kit and a little DIY magic ... It's also a good retrofit for older mountain bikes. This kit costs ...
Racing gets bought by Brembo brakes, and teases a resurgence of MTB development, turning pro prototypes into consumer ...