Speedline Parts | Slashers 451 20x1 1/8"- 1 3/8" Carbon Fiber BMX RimsThe Speedline Slashers allow you to affordably enter the world of Carbon Fiber BMX rims with high quality Torray T700 Carbon and the Speedline name. Built exclusively from T700 High Modulus Carbon Fiber, they're light, stiff, and strong. Designed to handle up to 100psi tire pressures. The Speedline Slashers 451 Carbon Fiber BMX rims accept 20x1 1" , 20 x 1 1 8" , 20 x 1 3 8" Tires. All Speedline Slasher Rims are drilled for a Presta Valve. They're