CushCore tire inserts protect tires and wheels from impact, provide extra support for cornering, and allow riders to run low pressures for improved comfort and better traction. CushCore offers two main versions of MTB tire inserts: CushCore XC and CushCore Pro; you can learn about the differences here. Regardless of which version you choose, high-quality CushCore inserts can help any MTB enthusiast become a more confident rider. We can't imagine riding a mountain bike without them.