Turn your bike into more than a fair-weather friend with the help of the CycleOps Mag trainer. The perfect solution to getting in a ride when it's too cold, wet, or dark to go outside, the Mag sets up quickly and easily for on-the-spot spins.
Redesigned with five adjustable levels of linear resistance to easily vary your workouts
Features the same sturdy steel construction and safety features of other CycleOps trainers so you can ride worry-free
Designed to fit common road and mountain bike frames including those with 120, 130, and 135 mm spacings
Wheel sizes: 650b, 700c, 26 in., 27in., 29 in.; adapter available for 20-24 in. (not included) ~ Fits MOST 29er wheels up to 2.25 in. wide (depending on tire tread) ~ CycleOps also recommends using a slick tire or trainer specific tire
1.25 in. roller; asymmetrical rear leveling feet; bolt action quick-release