Ridley ASTR RS Force XPLR UD CarbonThe ASTR RS is a performance driven gravel bike developed for modern gravel racing. This is evident from its groundbreaking 52 mm tire clearance a category leading move that anticipates the growing trend toward wider tires. Gravel races are becoming increasingly rough, while riders are going faster than ever, placing new demands on the bike. The Astr RS also features aero optimized tube shapes and a fork with integrated diffuser, based on our Falcn RS