Power through gnarly descents on your e-bike with the CushCore eMTB Single Tire Insert With Valve- CushCore's beefy protection system that laughs in the face of rocks, roots, and rim-shattering impacts. Engineered specifically for electric beasts, this game-changing insert lets you shred more laps with fresher arms and zero worries about trashing your wheels, making it the ultimate upgrade that pays for itself in saved rims and pure stoke!