2025 ONIRII IIIPRO R2X4 MTB Hydraulic Disc Brake 4 Piston Internal Cable Quick Release MTB Caliper for MTB, Climbing, AM,XC NEW

Brand: ONIRII , IIIPRO

Model: R2X4

Weight: Caliper:110g, Brake lever: 77g

Length of oil hose: Front 90cm, Rear 173cm

Material: Aluminum alloy

Craft: CNC

Oil: Mineral oil

Piston: 4-piston

Colors: Black, Red, Titanium, Purple, Blue, Pink

For bikes: Downhill bike, Electric bike, AM, XC, Street Bike, Climbing

R2X4 mountain hydraulic disc brakes, made for extreme riding
CNC precision hollowing process, while ensuring structural strength and greatly reducing weight, to achieve the perfect balance of lightweight and durability.

Ergonomic Design- Brake Lever
ergonomically designed brake lever provides a comfortable grip, precise and smooth control, and a light press can trigger strong braking, bringing an easy and energy-saving braking experience.

* FIBEAX Patented Olive-Free Quick Release Structure

Extreme lightweight, no loss of performance 
CNC precision machining, only 400g . (Weight includes other accessories)

Single-side, 4-bearing, force-saving turning point structure

Single-side 4-bearing rotary point structure, bursting 685N strong braking power, pressing brake lightly, precise braking.

①
Hydraulic disc brake design, simple and beautiful
cleverly hide the oil hose, so that the whole appearance of the bike simple and clean, goodbye to the clutter, and show the professional sense of quality.

②
Dual brake pad configuration, full-scene adaptation
original ceramic pads, to meet the needs of the low and medium intensity riding;
spare sintered pads, born for extreme challenges, a set of disc brakes, adapted to different cycling scenarios.

③

Patented quick release, convenient maintenance

Patented design of quick release hose connector, easy to install and disassemble, reusable, daily maintenance and high efficiency.

④

Intimate tips, long-lasting durability

Check the braking force before riding, new sintered pads according to the steps of grinding, so that every brake is accurate and stable, accompanied by a long ride.

FIBEAX Patented Olive-Free Quick Release Structure

FIBEAX Installation Tutorial

① Install the brake on the handlebar

② Use 2mm Allen to turn counterclockwise to lock the oil pin screw

③ Remove the plug

④ Insert the FIBEAX oil pin

⑤ Insert the FIBEAX oil pin all the way to the bottom

⑥ Use the 2mm Allen to lock the screws 1-1.5 n.m.

Precision craftsmanship, quality assurance

Multiple precision production lines and professional laboratories, from 100 CNC machining shop to precision testing equipment, controlling at all levels to ensure reliable quality.

Quality Management System Certificate

A variety of styles to choose from 

There is always a color for you 
①Black ②Red ③Grey ④Purple ⑤Blue ⑥Pink

Pre-purchase Notes:

1.R2X4 4 piston brake , non-man-made damage, warranty 3 years.

Warranty scope: brake housing, seals, hoses, screws and other accessories.

Brake pads, rotors belong to the wear parts, not in the warranty model.

2. The product damage caused by human reasons, not in the warranty

(such as: private modification, private disassembly of the product, not in accordance with the provisions of the installation and use of the brake and other reasons).