






Price: $38.69
(as of Sep 18, 2026 13:51:07 UTC – Details)
Product description
Zmgdrm 4-Piston Hydraulic Disc Brake Set 

The hydraulic brakes for mountain bike is an upgrade kit from the mechanical disk brakes system, you can stop with two fingers only, ideal for trail riding, downhill, choppy mountain, snow, beach, flat road etc

1 Massive Stopping Power
2 4 Pistons Brakes
3 Quite Braking
4 One-piece Brake Lever
5 Integrated Oil Cylinder
4 Pistons Calipers 

Hydraulic Disc Brake Set
1. Only compatible with models equipped with left-side brakes
2. The left brake lever controls the front brake and the right brake lever controls the rear brake






Perfect for all mountain bikes, electric ebike, scooter, folding bike, fat bike etc
Zmgdrm Hydraulic Brakes
Add to Cart
Add to Cart
Customer Reviews
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3.4 out of 5 stars 10
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Price
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$89.95$89.95
$77.69$77.69
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Brake Type
MT200 Hydraulic Brake
IIIPRO E4 Hydraulic Brake
Electric Power-Off Brakes
Electric Power-Off Brakes
IIIPRO E4 Hydraulic Brake
Material
Aluminum Alloy
Aluminum Alloy
Aluminum Alloy
Aluminum Alloy
Aluminum Alloy
Number of Pistons
2 Pistons
4 Pistons
4 Pistons
4 Pistons
4 Pistons
Brake Size
Front 800mm/Rear 1550mm
Front 800mm/Rear 1550mm
Front 950mm/Rear 1860mm
Front 970mm/Rear 1910mm
Front 800mm/Rear 1550mm
Direction
Left Front Right Rear
Left Front Right Rear
Left Front Right Rear
Left Front Right Rear
Left Front Right Rear
Rotor Size
/
160mm Rotors-Shiman0 RT26
180mm Rotors
160mm Rotors
160mm Rotors-Shiman0 RT26
【4-Piston Brake】Zoom HB-876 Hydraulic Disc Brake Set Features with a 4-piston pistons, which makes the dual-side breaking force evenly and also increase the breaking force by 30% and the pads lifetime by 150%. Brake levers are made of high-end aluminum alloy, suitable for all mountain bikes, electric bike, scooter, folding bike, fat bike etc
【Massive Stopping Power】Compared to traditional brakes, hydraulic systems can convert smaller forces into larger braking forces. Due to the characteristic of fluid transmitting pressure, the operation of hydraulic brakes is smoother and more precise. Hydraulic systems can transmit braking forces over longer distances, reducing brake response time. Ideal for trail riding, downhill, choppy mountain, snow, beach, flat road etc
【Bike Brakes Size】The rear brake hose length is 1450mm (57.09in). Please double-check your bike’s cable routing and frame size before purchasing to ensure the hose lengths are a perfect fit for your setup
【Quiet Braking】MTB hydraulic bike brakes adopt integrated hydraulic cylinder to prevent oil leakage. The brake pad is made of resin-metal composite pads, which not only not damage rotor, but also not make any noise when braking
【Installation Instructions】Make sure the calipers and pads correctly fitted to the hub and aligned with the disc. Adjust the clearance and fine tune the brake adjustment screws to ensure good braking without clicking. Exhaust the hydraulic disc brake system to maintain optimum performance. Pull the brake handle to test if the brakes are contacting the disc to make sure the braking effect is normal
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$38.69
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