Dirt Bike Rebuild Kits and Parts
Dirt Bike Brake Caliper Rebuild Kits & Parts for Honda, Yamaha & KTM at JJ Motorsports
Restore your dirt bike's hydraulic braking system to like-new condition with premium caliper rebuild kits and parts from JJ Motorsports. Our selection includes complete kits with pistons, seals, O-rings, bleed screws, and hardware designed for leak-free operation, smooth piston movement, and reliable performance in motocross, enduro, and trail riding. Compatible with top models like Honda CRF, Yamaha YZ/WR, KTM SX/EXC, and more, these high-quality components eliminate sticky calipers, spongy feel, and fluid loss while extending caliper life in dusty, wet, or high-heat conditions. From Moose Racing's OEM-spec front and rear kits to individual seals and pistons, get everything needed for a full caliper refresh without replacing the entire unit—perfect for maintenance, race prep, or off-season rebuilds.
Shop trusted brands like Moose Racing for race-proven quality. Explore related categories such as dirt bike brake lines for hydraulic upgrades or dirt bike braking for pads and rotors.
Top Brake Caliper Rebuild Kits
- Moose Racing Caliper Rebuild Kit Rear Yamaha 18-1118 – Complete rear caliper rebuild kit for Yamaha models; includes piston, seals, O-rings, and hardware for leak-free, smooth operation.
- Moose Racing Caliper Rebuild Kit Front KTM 18-3283 – Front caliper kit with high-quality seals and piston for KTM SX/EXC; restores firm braking and prevents fluid bypass.
- Moose Racing Caliper Rebuild Kit Front Honda 08-101X – OEM-spec front rebuild kit for Honda CRF with all necessary components; ensures precise piston fit and long-term reliability.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
GMA ENGINEERING BY BDL Caliper Rebuild Kit - 500/525 Calipers GMA500/525CMRBK
GMA ENGINEERING BY BDL
MSRP: $114.95Now: $74.00Was: $114.95Brake system reliability is non-negotiable in high-performance racing, and worn calipers compromise both safety and stopping power. This complete rebuild kit restores your GMA 500/525 calipers to OEM...17020462- SKU:
- 17020462
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REBUILD KIT
- STYLE:
- FOR GMA 500/525 CALIPERS
MSRP: $114.95Now: $74.00Was: $114.95Qty in Cart: 0Quantity:Price:MSRP: $114.95Now: $74.00Was: $114.95Subtotal: -
On Sale
PROX Brake Caliper Rebuild Kit - Front 37.63005
PROX
MSRP: $27.95Now: $21.00Was: $27.95Brake system reliability is non-negotiable whether you're on the track or the street—worn seals and contaminated fluid compromise stopping power and safety. This PROX front brake caliper rebuild kit...17020501- SKU:
- 17020501
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
MSRP: $27.95Now: $21.00Was: $27.95 -
On Sale
PROX Brake Caliper Rebuild Kit - Rear 37.63028
PROX
MSRP: $27.95Now: $21.00Was: $27.95A deteriorating brake caliper compromises your stopping power and safety—exactly what you can't afford on track or street. This PROX rear caliper rebuild kit restores your braking system to OEM...17020502- SKU:
- 17020502
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REBUILD KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE CALIPER
MSRP: $27.95Now: $21.00Was: $27.95 -
On Sale
PROX Brake Caliper Rebuild Kit - Rear 37.63033
PROX
MSRP: $27.95Now: $21.00Was: $27.95Brake performance degradation is inevitable—contaminated fluid, worn seals, and corroded pistons compromise stopping power and responsiveness over time. A complete caliper rebuild restores OEM...17020510- SKU:
- 17020510
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
MSRP: $27.95Now: $21.00Was: $27.95 -
MOOSE RACING Caliper Rebuild Kit - Front - Yamaha 18-3011
MOOSE RACING
$30.95A worn or degraded brake caliper compromises stopping power and safety, making a quality rebuild kit essential for maintaining peak braking performance. This MOOSE RACING Caliper Rebuild Kit restores...17020642- SKU:
- 17020642
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$30.95 -
ALL BALLS Brake Caliper Piston 18-9028
ALL BALLS
$51.42Brake caliper pistons wear under constant thermal and hydraulic stress—a worn piston compromises stopping power and can lead to uneven pad wear or fluid leakage. The ALL BALLS 18-9028 is...17020654- SKU:
- 17020654
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$51.42 -
ALL BALLS Brake Caliper Piston 18-9002
ALL BALLS
$27.97A brake caliper piston in poor condition directly compromises braking performance and safety. Over time, pistons wear, corrode, or develop micro-scoring that reduces hydraulic pressure consistency...17020665- SKU:
- 17020665
- Availability:
- Ships Same Business Day
- Weight:
- 2.01 LBS
$27.97 -
ALL BALLS Brake Caliper Piston 18-9011
ALL BALLS
$27.97Brake system reliability depends on precision-engineered components that can withstand extreme pressure and thermal cycling. A worn or degraded caliper piston directly compromises stopping power and...17020666- SKU:
- 17020666
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
$27.97 -
ALL BALLS Brake Caliper Piston 18-9014
ALL BALLS
$50.38A worn or corroded brake caliper piston compromises stopping power and can lead to uneven braking pressure across your system. The ALL BALLS 18-9014 replaces that weak link with precision-engineered...17020650- SKU:
- 17020650
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$50.38 -
MOTO-MASTER Brake Caliper Slider Pin 213085-PU
MOTO-MASTER
$33.95Worn or corroded brake caliper slider pins compromise braking response and can lead to uneven pad wear or caliper binding. The MOTO-MASTER 213085-PU restores proper caliper float and engagement,...17020710- SKU:
- 17020710
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$33.95 -
MOTO-MASTER Retainer Plate - Front 213095-PU
MOTO-MASTER
$24.95A properly secured caliper is non-negotiable for consistent braking performance and safety. The MOTO-MASTER Retainer Plate ensures your Brembo calipers stay precisely positioned under hard braking,...17020715- SKU:
- 17020715
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
MOTO-MASTER Brake Pad Pin 213020-PU
MOTO-MASTER
$9.95Brake pad pins are critical wear items that directly impact your braking system's reliability and safety. A worn or compromised pin can cause uneven pad pressure, reduced responsiveness, and...17020718- SKU:
- 17020718
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
MOTO-MASTER Brake Pad Pin 213023-PU
MOTO-MASTER
$9.95Brake pad pins are critical retention components that keep your pads seated and aligned under extreme thermal and mechanical stress. A worn or damaged pin compromises pad stability, leading to uneven...17020721- SKU:
- 17020721
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
MOTO-MASTER Brake Pad Pin 213047-PU
MOTO-MASTER
$12.95Brake pad pins are critical wear items that directly affect the safety and responsiveness of your braking system. A worn or damaged pin compromises pad retention and can lead to uneven braking...17020730- SKU:
- 17020730
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal: -
MOOSE RACING Caliper Rebuild Kit - Front - KTM/Husqvarna/Gas Gas 18-3326
MOOSE RACING
$28.95Brake system degradation compromises both safety and track performance—worn seals, contaminated fluid passages, and corroded pistons reduce modulation and stopping power. The MOOSE RACING Caliper...17020754- SKU:
- 17020754
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$28.95 -
MOOSE RACING Brake Caliper Piston - Kawasaki 08-915
MOOSE RACING
$32.95Brake performance depends on the integrity of your caliper pistons—worn or damaged pistons result in uneven pad pressure, reduced stopping power, and compromised safety. MOOSE Racing brake caliper...17020172- SKU:
- 17020172
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- BRAKE CALIPER
- MOUNTING POSITION:
- FRONT
- FEATURES:
- INCLUDES TWO CALIPER PISTONS
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
MOOSE RACING Caliper Rebuild Kit - Front 18-3004
MOOSE RACING
$30.95Brake fade and spongy lever feel are telltale signs your calipers need attention. This MOOSE RACING rebuild kit restores your braking system to OEM specifications with genuine Nissin components,...17020266- SKU:
- 17020266
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- RUBBER
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- COLOR/FINISH:
- BLACK
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$30.95Qty in Cart: 0Quantity:Price:$30.95Subtotal: -
MOOSE RACING Caliper Rebuild Kit - Rear - RMZ 250/450 18-3036
MOOSE RACING
$30.95A worn rear brake caliper doesn't just compromise stopping power—it invites safety risks and uneven pad wear that cascades into costly repairs. This OEM-spec rebuild kit restores your RMZ's braking...17020282- SKU:
- 17020282
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- TYPE:
- BRAKE CALIPER
$30.95Qty in Cart: 0Quantity:Price:$30.95Subtotal: -
MOOSE RACING Caliper Rebuild Kit - Front - DR 125 18-3038
MOOSE RACING
$30.95Brake fluid degradation and seal wear compromise stopping power over time, making a caliper rebuild essential for maintaining consistent braking performance and safety. This MOOSE RACING rebuild kit...17020284- SKU:
- 17020284
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REBUILD KIT
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- BRAKE CALIPER
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$30.95Qty in Cart: 0Quantity:Price:$30.95Subtotal: -
MOOSE RACING Caliper Rebuild Kit - Front - KTM 18-3046
MOOSE RACING
$30.95Brake caliper performance degrades over time as rubber seals harden and pins corrode, directly compromising your stopping power and rider safety. This MOOSE RACING rebuild kit restores your front...17020285- SKU:
- 17020285
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
- MATERIAL:
- RUBBER
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- REBUILD KIT
$30.95
