Thule 518 Echelon Fork Mount Rooftop Bicycle Carrier Centrally located cam lever and ergonomic adjustment know allows rapid loading/unloading of bike Fits all disc/suspension combinations with standard 9mm axles Dual locking design locks bike to carrier and carrier to rack Wheel tray fits tire widths up to 2.6" wide with high profile rims and wheelbase up to 48" Fits Thule & Yakima load bars