Dirt Bike

Manufactured with OEM-specified aluminumPrecision cast and machinedSame as OEM replacement; fit both stock and aftermarket primary clutch baskets

Manufactured from the finest materials to deliver lasting durabilityDesigned to combine maximum functionality with eye-catching designHighly resistant to impact and wearProven to provide a perfect fit and easy installationGuaranteed to meet or exceed the...

Manufactured from premium 7075-T6 alloy for optimal durabilityPrecision CNC machined for perfect fit and lightweight design for ultimate performanceOffering the perfect balance between strength, performance and longevitySpecial designed mud grooves...

Manufactured from low corrosion SCM435 Ni-Chrome Molybdenum steelLow carbon core to prevent breaking and case hardened surface for maximum wear resistancePrecision CNC machined for perfect fit and lightweight design for ulitimate performanceSelf cleaning...

Manufactured from low corrosion SCM435 Ni-Chrome Molybdenum steelLow carbon core to prevent breaking and case hardened surface for maximum wear resistancePrecision CNC machined for perfect fit and lightweight design for ulitimate performanceSelf cleaning...

Manufactured from low corrosion SCM435 Ni-Chrome Molybdenum steelLow carbon core to prevent breaking and case hardened surface for maximum wear resistancePrecision CNC machined for perfect fit and lightweight design for ulitimate performanceSelf cleaning...

Manufactured from low corrosion SCM435 Ni-Chrome Molybdenum steelLow carbon core to prevent breaking and case hardened surface for maximum wear resistancePrecision CNC machined for perfect fit and lightweight design for ulitimate performanceSelf cleaning...

Manufactured by the leading OEM factoriesMade to exact OEM specifications to offer maximum performance and durabilityComplete bearing and seal kit per application for easy replacementCan be used in combination with all other ProX or OEM crankshaft...

Maintain your wheel centers with wheel bearings offered by ProXOur high quality, mainly Japanese bearings are a perfect match for your wheels.

Maintain your wheel centers with wheel bearings offered by ProX.Our high quality, mainly Japanese bearings are a perfect match for your wheels.

Maintain your wheel centers with wheel bearings offered by ProX.Our high quality, mainly Japanese bearings are a perfect match for your wheels.

Made using the finest materials and advanced technologiesThoroughly tested through the manufacturing processRigorous quality you can trust Black Airbox with Cover by Polisport®. This top-grade product is expertly made in compliance with stringent...