Radio Raceline Quartz Pro XL Black 21.25" CheckoutSpec= 20X2.10 Important Note: If the rear

Important Note:  If the rear derailleur cable is routed internally through the chainstay and exits at the end of the chainstay above the axle or past the axle out the very end

Compatible with disc and rim brakes

Color Black/Dark Tan Defined Color Tan Flat Protection Sidewall ISO Diameter 584 / 650b / 27

SRAM/Avid Post Mount disc brake caliper mounting adaptors provide alternative mount positioning that allow the caliper to be used with different sized rotors than used on the frame or fork caliper mount

Radio Raceline Quartz Pro XL Black 21.25" CheckoutSpec= 20X2.10 Important Note: If the rearTECH SPECS Frame Size 21. 25 Color Black Primary Color Black Wheel Diameter 20 Color Black