Effective muscle and endurance training. SOLID, STURDY AND SAFE: A stationary bike workout should be just that- stationary. The dual locking system easily locks your bike in place, and the extra wide e and front wheel riser block eliminates wobbling. You've never had a ride quite like this。 Packing: 1X bicycle training bracket. Welcome to my store, we will be happy to help you, please send me any questions, we will reply you within 24 s