
| About Master Cylinder / Rear Master Cylinder / Thumb Brake Master Cylinder / Caliper Overhaul Service |
| What is overhaul service? |
This maintenance service is designed to maintain and restore the performance of products that have been used over an extended period, helping you continue to use them safely and with confidence for years to come.
Each product is disassembled and inspected, with consumable parts replaced as necessary.
Through comprehensive after-sales support, we strive to remain a trusted brand and ensure that our customers can continue to use our products with confidence.
| How to request overhaul service |
When requesting service through an authorized distributor
【 Distributor List】
※If there is no authorized distributor offering overhaul services in your area, please contact another distributor that provides the service, or contact ACTIVE directly to request the overhaul service.
※If you would like to request an overhaul, please download the “overhaul service request form” from the link below and submit it together with the product.
When requesting service directly from ACTIVE
【Contact Us】
| Important Notes |
| LEAD TIME | For an overhaul is approximately 7 business days. however, the actual turnaround time may vary depending on the condition of the product, the requested service, our current workload, and the availability of replacement parts. |
|---|---|
| SHIPPING COSTS | The customer is responsible for the round-trip shipping costs. |
| PRICING | If replacement or repair work beyond the scope of the standard overhaul service is required after we receive your master cylinder or caliper, additional charges will apply. |
| OTHER INFORMATION | The customer is responsible for all costs associated with removing and reinstalling the product on the vehicle, as well as shipping costs to ACTIVE Co., Ltd. |
| Master Cylinder / Rear Master Cylinder / Thumb Brake Master Cylinder overhaul |
|
Inspection of Disassembled Components
Cleaning
Leak Testing with an Air Leak Tester
Adjustment of Free Stroke
The prices listed in the table below apply when the overhaul service is performed by ACTIVE Co., Ltd.
| ※ | Examples of replacements outside the standard service menu:Dust seal replacement: ¥200 per piece Adjuster dial replacement: ¥1,000 per piece |
| ※ | The parts listed above are not sold separately.
For other repair parts available for purchase, please refer to the link below. >>LINK |
| ※ | We are unable to repair cracks caused by metal fatigue or deformation resulting from external factors. |
| ※ | Please remove the hose, reservoir, switch, and other attached components from the master cylinder before sending it to the designated service location. |
| Caliper overhaul |
![]() |
Inspection of Disassembled Components
Cleaning
Leak Testing with an Air Leak Tester
The prices listed in the table below apply when the overhaul service is performed by ACTIVE Co., Ltd.
| PRODUCT | WORK DETAILS(1Set) | PRICE | COST | |
|---|---|---|---|---|
| Elaborate Caliper | FRONT 4P | ① Seal Replacement | ¥4,000 | ¥6,000 |
| ② Piston Replacement | ¥24,000 | |||
| ② Titanium Piston Replacement | ¥40,000 | |||
| FRONT 2P | ① Seal Replacement | ¥2,000 | ¥4,000 | |
| ② Piston Replacement | ¥12,000 | |||
| ② Titanium Piston Replacement | ¥20,000 | |||
| REAR 2P | ① Seal Replacement | ¥2,000 | ||
| ② Piston Replacement | ¥12,000 | |||
| Billet Caliper | FRONT | ① Seal Replacement | ¥4,000 | ¥6,000 |
| ② Piston Replacement | ¥6,000 | |||
| REAR | ① Seal Replacement | ¥2,000 | ¥4,000 | |
| ② Piston Replacement | ¥3,000 | |||
| ※ | For information on purchasing repair parts, please refer to the link below. >>LINK |
| ※ | We are unable to repair cracks caused by metal fatigue or deformation resulting from external factors. |
| ※ | Please remove the hose and other attached components from the caliper before sending it to the designated service location. |
| Shipping Address for Products | ACTIVE Co., Ltd. Overseas Sales Department |
|---|---|
| TEL | +81(0)561-72-7011 |
| Address | 7-55, Fujizuka, Nisshin-city, Aichi-pref.Zip code 470-0117 |





