Roval Control World Cup 29" Wheel The Fastest XC Wheels On The Planet Do you want to go fast? Well, you're going to need some fast wheels. The Roval Control World Cup 29" Wheel barely tips the scales at 998g for a set and is engineered for those who demand speed without compromise. From carbon spokes and an optimized rim geometry to redesigning the layups, every component was looked at to shed weight while delivering superior performance. Even the smallest details, like a new ultralight rip tape and redesigned valve stems were scrutinized. The carbon rims are tubeless ready for a smoother ride, better traction, and fewer flats. The rear hub also has 36T for exceptional engagement. Features Designed for tire widths from 1. 9" to 2. 6"Carbon fiber rim and carbon fiber spokes Impact energy dissipates across the rim flexing instead of cracking under pressure for added control Asymmetrical rim shape is engineered for maximum strength and performance by balancing spoke tension Weight limit: 275 lbs / 125 kg SPECIFICATIONSWheel Size29"Material Carbon Fiber Outer Width36. 5mm Inner Width28. 5mm Rim Height26mm Spoke Drilling20HValve Type Presta Tubeless Yes Tire Type Clincher Brake Compatibility Disc (Centerlock)Front Axle15x110mm Rear Axle12x148mm Intended Use XC Racing Approximate Weight452g (F) / 546g (R) | Specialized | Roval Control World Cup 29" Wheel Front 15X110 6B