Pirelli Motocross Mousse Set – 80/100-21 Front (X-21B2) & 110/90-19 Rear (X-19E1) Foam Inserts | Flat-Proof Off-Road Tire Inserts for MX Dirt Bikes | Medium Compound | NHS Silicone sealant The tool storage box connects

The tool storage box connects with other PACKOUT system components via integrated locking cleats

the ultimate safeguard for your motorcycle's air intake system

this tire is built for riders who demand absolute domination in mud

Made from high-quality thermoplastic polyurethane (TPU)

The Quik-Lok bit extension allows access to tight or tricky spaces and lets you change out bits quickly to get your job done faster

Pirelli Motocross Mousse Set – 80/100-21 Front (X-21B2) & 110/90-19 Rear (X-19E1) Foam Inserts | Flat-Proof Off-Road Tire Inserts for MX Dirt Bikes | Medium Compound | NHS Silicone sealant The tool storage box connectsUpgrade your motocross setup with genuine Pirelli Mousse foam inserts sized for the most common MX tire combination: 80 100 21 front and 110 90 19 rear. These medium compound rubber foam mousses are engineered to replace conventional inner tubes, delivering puncture proof reliability while maintaining a lively, consistent ride feel. Once installed, they simulate roughly 0. 7 bar of pressure, providing excellent traction, agility, and side wall support