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Rear Brake Master Cylinder with Reservoir for 50cc-125cc ATV Dirt Bike Pit Bike
Rear Brake Master Cylinder with Reservoir for 50cc-125cc ATV Dirt Bike Pit Bike
4.88 / 5.0
(43) 43 total reviews
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Product Overview
This rear brake master cylinder with reservoir is designed for many 50cc, 70cc, 90cc, 110cc, and 125cc ATVs, Chinese dirt bikes, and pit bikes using a compatible hydraulic rear brake system.
The master cylinder helps convert pedal input into hydraulic pressure, allowing the rear brake system to operate with better control and braking stability. Built with quality metal components and a rubber reservoir hose, it is made for reliable replacement use and long service life.
The mounting hole distance is 45mm / 1.77". Please carefully compare the appearance, mounting hole spacing, reservoir position, and brake line connection with your original part before ordering.
Product Compatibility
| Vehicle Type | Compatible Application |
|---|---|
| ATV / Quad | 50cc / 70cc / 90cc / 110cc / 125cc models |
| Chinese Dirt Bike | Rear hydraulic brake system replacement |
| Pit Bike | Compatible models using similar rear brake master cylinder |
| Mini Bike / Off-Road Bike | May fit if size and mounting points match |
⚠️ Not compatible with Yamaha Raptor 660 or 1983-1985 Honda ATC 200X.
Specifications
| Item | Details |
| Product Type | Rear Brake Master Cylinder with Reservoir |
| Application | Rear Hydraulic Brake System |
| Engine Size Compatibility | 50cc / 70cc / 90cc / 110cc / 125cc |
| Mounting Hole Distance | 45mm / 1.77" |
| Material | Metal Body with Rubber Reservoir Hose |
| Position | Rear Brake |
| Condition | 100% Brand New |
| Installation | Direct replacement when size and mounting points match |
Key Features
- Rear brake master cylinder with reservoir for 50cc-125cc ATV, dirt bike, and pit bike models
- Helps convert brake pedal force into hydraulic pressure for rear braking
- 45mm / 1.77" mounting hole distance for compatible Chinese ATV and pit bike applications
- Made with quality metal components and rubber hose for durable replacement use
- Suitable for rear hydraulic brake system repair or replacement
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Fitment FAQ
Will this part fit my specific model and year?
This brake assembly is intended for 50cc - 125cc ATV Dirt Bike Pit Bike. Key physical/spec details from the product data include Mounting hole distance:45mm/1.77"(Please Be Carefully Check The Goods Appearance Size Shape Before Ordering)., 45mm, 50cc. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this brake assembly, also compare the caliper bolt spacing, brake hose length, master-cylinder bore, lever side, banjo fitting angle, drum/hub dimensions, and handlebar diameter.
What models or situations does this part not fit?
Do not order this brake assembly for machines outside the listed compatibility, or for units with different caliper spacing, hose routing, lever/master-cylinder setup, drum/hub dimensions, or handlebar diameter. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the caliper bolt spacing, brake hose length, master-cylinder bore, lever side, banjo fitting angle, drum/hub dimensions, and handlebar diameter. Recheck listed specs such as Mounting hole distance:45mm/1.77"(Please Be Carefully Check The Goods Appearance Size Shape Before Ordering)., 45mm, 50cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
Item was just as advertised Installed with no problem very happy with product.
Much cheaper than the dealer,would place more order if needed.
Best purchase ever,much cheaper than locl repair store.Make sure you do your research if you want to get this.check with the distance between the 2 mounting hole.
Fit my go cart perfectly!
It was different but worked with my coleman kt196 with modification. I had to trim the bolt and pedal bracket. Otherwise fine. Be ready to bleed it as is expected. Quality is actually very acceptable.
