IIIPRO E4 800/1550mm Mountain Bike Hydraulic Disc Brake Front and Rear Brake Cooling 4 Piston Oil Pressure AM DH Electric Bike

Product Description

Brand: IIIPRO
Model: E4
Color: black, red, silver, blue, green, purple
Material: magnesium aluminum alloy
Length:
Front brake 800mm;
Rear brake 1550mm

Brake Pistons: 4 Pistons

Brake Fluid Type: Mineral Brake Fluid

Weight:
about 230g for the front brake;
about 245g for the rear brake;
about 28g for the screw.

Brake For: mountain bikes, DH，AM，folding bikes, electric bikes, etc.

The brakes are the left front brake and the right rear brake

Left hand controls the front brake, right hand controls the rear brake.

4 Piston brake

Smooth and even braking

Cooling brake pads

The multi-metal copper-based ceramic heat sink improves the heat dissipation performance by 25%.

①Cylinder block
②M6 oil filling screw
③CNC anti-skid vent brake lever
④Built-in bearing
⑤ Travel adjustment screw
⑥22.2mm detachable clamp ring

The rear brake adopts the cable routing inside the frame, and the brake lever/caliper has a split structure.

German TUV safety certification, the measured braking force can reach 641N.

Pros & Cons

Pros

4-piston hydraulic calipers for powerful, consistent braking performance
Lightweight magnesium aluminum alloy construction reduces unsprung bike weight
Pre-cut front (800mm) and rear (1550mm) lines for easy installation
Available in 6 color options: black, red, silver, blue, green, purple

Cons

No included mounting hardware or brake fluid for initial setup
Only available in fixed line lengths with no custom sizing options
No total set weight listed for the front and rear brake calipers
No warranty information provided for the brake set

Common Questions

What materials are used to make these hydraulic disc brakes?

They are constructed from magnesium aluminum alloy for lightweight durability.

What are the line lengths for the front and rear brakes?

The front brake line is 800mm and the rear brake line is 1550mm as specified.

What types of bikes are these brakes compatible with?

They are designed for BMX and mountain bikes, including electric mountain bikes, and use disc brake systems.

What are the key uses of this brake set?

They deliver powerful 4-piston hydraulic braking for reliable stopping power on off-road and mountain biking trails.

Where is this product manufactured and shipped from?

It is manufactured in Mainland China and ships from there per the listed product details.

Specifications