Quick and convenient fork mounting of quick-release (9mm) bikes on a roof rack. Suitable for use with bikes that have disc brakes. Fitting a quick-release bike to the FastRide is simple thanks to the Thule AcuTight torque limiter knob that clicks when optimal torque is reached. A visual and audible signal tells you when the correct mounting is achieved. The rear wheel is secured to the carrier with an adjustable protective wheel strap. Also fits Thru-Axle bikes (9-15 mm) with the additional FastRide 9-15mm Axle Adapter Kit. Larger 20 x 110 mm Thru-axle bikes can also be mounted with the additional FastRide & TopRide Thru-Axle Adapter 20 x110 mm if required. Includes an integrated cable lock to secure your bike to the carrier, and also a lock to secure the carrier to your roof rack. Features Safe & Secure - Locks Bike To Carrier and Carrier Locks To Roof Bars Adjustable protective wheel strap holds the rear wheel securely in place Easy to switch carrier position from one side of your car to the other Compatible With Bikes That Feature Brake Discs Safe mounting of Quick-release bikes thanks to Thule AcuTight torque limiter knob that click when optimal torque is reached Convenient & Easy installation of fork adapter for a secure bike fit Fork mount rack is easy & safe to mount thanks to audible and visual confirmation of correct mounting Easily mount standard Quick-release bikes (9 mm). Fits Thru-axle bikes (9-15mm) and 20 x110mm Thru-axle bikes with additional adapters