STERZO - Designed to allow your front wheel to turn naturally with a gentle self correcting tension offering a more realistic feel, the Sterzo can be used with the steering functionality of Zwift and other programs or to just improve the feel of your bike when training. - Low height for easy compatibility with any wheel on or direct drive trainer. - Will require the use of a handlebar mounted phone for full steering functionality in Zwift. - Accepts tires up to 57c. - Weight limit 120kg.