Thule 598 proride locking upright bike carrierthule's proride 598 upright roof mount is an easy to use roof mounted bike carrier and will securely and safely carry your bike. Ready for use with bikes up to a weight of 20kg, putting your bike on and off again is simplified with thule's unique frame clamp and tray for the wheels.reasons to buy easy to use. Roof mounted bike carrier. Securely and safely carries your bike. Unique frame clamp and tray for the wheels.features automatically positions your bike when you secure it, thanks to the uniquely designed frame holder and wheel tray quick and easy bike securing the torque limiter dial controls the force going into the bike frame with a clear sign of correct mounting pressure is spread via large, soft claw pads that adapt to your bikes frame tubes minimising the risk of frame damage safe mounting your bike is prevented from falling thanks to the claws extended lower jaw stable wheels firmly fixed in smartly designed wheel holders with diagonal quick release wheel straps easy, tool free interface for switching carrier from one side of your car to the other maximum bike weight up to 20kg t track adapters are sold separately fulfils the city crash norm load capacity 20 kg dimensions 145x32x8.5cm fits round frame dimensions 22 80mm fits maximum oval frame dimensions 80x100mm carbon frame compatible yes but with adapter s required thule carbon frame protector, thule carbon frame protector sold separately fits roof racks with 20x20mm t tracks yes fits roof racks with 24x30mm t tracks yes adapter s required thule t track adapter 889 1 sold separately fits thule wingbar evo yes fits thule wingbar yes fits thule probar yes fits thule squarebar yes adapter s required thule proride squarebar adapter sold separately fits thule slidebar yes one key system compatible yes weight 4.2kgbuy thule accessories from chain reaction cycles, the world's largest online bike store.