Dirt Bike Clutch and Brake Lever Rebuild Kits

A compromised brake master cylinder undermines your entire braking system, risking safety and performance. The PROX Rebuild Kit (37.910002) gives you a cost-effective way to restore your front master cylinder to OEM-equivalent specifications without the...

A compromised master cylinder can lead to soft pedal feel, brake fade, or complete system failure—none of which are acceptable for track or street driving. The PROX Rebuild Kit restores your master cylinder to like-new condition with OEM-equivalent...

A compromised master cylinder can turn a reliable brake system into a liability on track or street. This PROX rebuild kit supplies all OEM-equivalent components needed to restore your front master cylinder to factory specifications, eliminating mushy...

A compromised brake master cylinder can turn a precision machine into a liability. The PROX Rebuild Kit restores your hydraulic brake system to OEM specifications, ensuring consistent pedal feel and reliable stopping power—critical for both track...

A compromised master cylinder can compromise your entire braking system, leading to reduced responsiveness and potential safety failures. The PROX Rebuild Kit restores your front master cylinder to OEM performance specifications with precision-engineered...

A degraded master cylinder compromises your entire braking system, introducing spongy pedal feel and unpredictable stopping power—exactly what you can't afford on track or street. This PROX rebuild kit supplies all necessary components to restore your...

A degraded brake master cylinder compromises your entire braking system—and on the track or street, that's unacceptable. The PROX Rebuild Kit gives you a cost-effective way to restore OEM-level performance without replacing the entire assembly. Each...

A worn or degraded master cylinder directly compromises your braking system's responsiveness and safety—something no serious driver can accept. The PROX Rebuild Kit (37.910023) restores your front master cylinder to OEM performance specifications with...

A compromised master cylinder puts your braking system at risk—and a rebuild kit lets you restore OEM-level performance without replacing the entire assembly. The PROX Rebuild Kit supplies all necessary components to get your front master cylinder...

A compromised master cylinder means unpredictable brake response and potential system failure—exactly what you can't afford on track or on the street. The PROX Rebuild Kit delivers OEM-equivalent performance with high-quality components engineered to...

A compromised brake master cylinder directly impacts your vehicle's stopping power and safety—and rebuilding is far more cost-effective than replacement. This PROX rebuild kit supplies all OEM-grade seals, pistons, and internal components needed to...

A worn or compromised brake master cylinder directly impacts your stopping power and safety—whether you're on the track or the street. The PROX Rebuild Kit (37.910026) gives you a cost-effective way to restore your front master cylinder to OEM...

A degraded master cylinder compromises your entire braking system—spongy pedal feel, delayed response, and unsafe stopping power. The PROX Rebuild Kit (37.910035) restores your front master cylinder to factory specifications with OEM-quality components,...

A worn or failing rear brake master cylinder compromises your entire braking system—introducing sponginess, inconsistent pedal feel, and potential safety issues. The PROX Rebuild Kit (37.910030) delivers a complete solution with OEM-equivalent...

A compromised master cylinder is a critical safety issue that demands immediate attention. This PROX rebuild kit gives you a cost-effective alternative to replacement, restoring your braking system to full hydraulic integrity without the expense of a new...

A worn or degraded rear master cylinder compromises your entire braking system's responsiveness and safety. This PROX rebuild kit gives you a cost-effective alternative to full replacement, restoring your brake master cylinder to OEM performance...

A failing clutch master cylinder compromises your ability to engage and disengage smoothly, directly impacting both performance and safety on track or street. Rather than replacing the entire unit, this PROX rebuild kit restores your existing cylinder to...

A worn or failing clutch master cylinder compromises your ability to engage gears smoothly and safely—whether you're on the track or the street. The PROX Repair Kit eliminates the need for expensive replacement units by providing all necessary internal...

A failing clutch master cylinder forces you to choose between a complete replacement or a proper rebuild—and rebuilding is the smarter play. This PROX repair kit gives you every seal, spring, and component needed to restore your cylinder to full...

A worn or failing clutch master cylinder compromises your ability to engage and disengage your transmission smoothly, creating safety hazards and unpredictable shift quality. The PROX Repair Kit restores your clutch hydraulic system to OEM specifications...