JetBlack Riser Block is uniquely designed to suit both road and MTB tires.
The JetBlack Riser Block is a great addition your home trainer. It will help stabilize, raise and level your bike’s front wheel, to the correct position encouraging a natural riding position. Place the Riser Block under your bicycle’s front wheel to elevate it to the same height as the rear wheel. This will ensure your bike is level and stable.