The CushCore 27.5inch XC Tyre Insert is a lightweight version designed for cross-country racing, light trail riding, and/or less aggressive riders.HOW IT WORKSNot all tyre inserts are created the same.CushCore is no ordinary tyre insert and is based on a new concept, tyre suspension. Any suspension system has a spring and a damper, and with CushCore, pressurised air in the tyre is the spring and the CushCore tyre insert is the damper.Like traditional suspension, a constant damping force wouldn't work. It has to be dynamic. Suspension should be supple on small bumps but firm on the big hits.CushCore responds differently depending on the tyre load and scenario. The more the tyre flexes, the more damping it provides ... More info
