This magnetic bike trainer is perfect for the occasional indoor rider or for the weekend racer who needs a quick warmup before the ride. Handlebar shifter lets you control 5 levels of resistance. Sets up quickly and folds for compact storage.

This magnetic bike trainer is perfect for the occasional indoor rider or the weekend racer who needs a quick warmup before the ride. Hand knob lets you control 5 levels of resistance. Sets up quickly and folds for compact storage.

This wheel-mount, electromagnetic bike trainer is a great alternative to an expensive indoor biking system - since it allows you to ride your own bike. Resistance is based on cadence, speed, and power data gathered as you ride.