Kinetic - Riser Block

This item available for in-store purchase only.

Now with three times more surface area contacting the tire to eliminate the problem of pinch flats caused by training on under inflated tires
PVC construction for a lifetime of use
Adjustable to four heights (0.5", 1", 1.5" or 2") to fine-tune the riding position
Fits tires up to 2.25"