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    Speedline Parts | RCR / 451 - 20 x 1 1/8" Carbon Fiber Rim

    The Speedline RCR Rims are some of the lightest BMX Race Rims on the market. Featuring a stout, low-profile, aggressive design that ensures a proper contact patch for your tire while retaining maximum stiffness.

    Built exclusively from Torray T700s High Modulus Carbon Fiber, they're extremely light, stiff, and strong. Designed for up to 100psi pressures. Available in 28 or 36 spoke options.

    The Sidewalls are weaved and packed with a special BASALT braking surface. We still recommend the Carbon Fiber BMX Brake Pads by Kool-Stop. But they aren't an absolute necessity, thanks to the tougher braking surface.

    The Speedline RCR 451 Carbon Fiber BMX rims accept 20x1, 20x 1 1/8" , 20 x 1 3/8" Tires

    28h are drilled for Presta Tubes, while the 36h are set to accept Presta or Std. Schrader Valves.

    The ERD of the Speedline RCR 451 rim is 420mm.

    The Speedline RCR 451 Carbon Fiber BMX Rims are tubeless compatible. While there aren't too many Tubeless BMX Specific tires, the Speedline RCR 451 carbon fiber rims are looking towards the future to last you as long as you are racing BMX.

     

    Brake Track: Weaved Basalt

    Color: Black

    Rim Drilling: 36 or 28

    Manufacturer Spec ERD (mm): 420 mm

    Rim Center Offset (mm): 0 mm

    Rim Depth (mm): 25 mm

    Rim Material: High Modulous Torray Carbon Fiber

    Rim Width (External): 21.5 mm

    Rim Width (Internal): 14.5 mm

    Tire Type: Tubeless Ready Clincher

    Valve: Standard Schrader

    Weight: 290 g for 20" Version