Specialized Training Wheels Black 20" MPFN-31055427033 7 Wheel Tire Type Tubeless

7 Wheel Tire Type Tubeless Wheel Weight 796g Hub Model ENVE INNERDRIVE Spoke Type J-Bend Rim Drilling 24 Depth 67mm Freehub Body Campagnolo N3W Hub Spacing 142mm Rim Construction Carbon Wheel-Brake Comp

(2) compression olives

Straps securely to the top tube and head tube

5mm Axle color Race Red

Specialized Training Wheels Black 20" MPFN-31055427033 7 Wheel Tire Type TubelessThis is a three position training wheel system, with tool less installation and removal, so you're always the hero without so much as a screwdriver. Reinforcing this, the tubular steel arms are built to take a beating, while the foam tires will never go flat. Closed cell foam tires. Compatible with 2013 and newer models of the Hotrock or Riprock 20 inch Coaster models. Tubular steel arms.