---
product_id: 774310490
title: "BUCKLOS IIIPRO IV4 4 Piston MTB Hydraulic Disc Brake Set, Front 850mm and Rear 1550mm Mountain Bike Hydraulic Brakes with Aluminum Alloy Caliper Lever Fit Ebike,Fat Bike Trail Bicycle XC AM DH BMX"
brand: "bucklos"
price: "€ 260.21"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/774310490-bucklos-iiipro-iv4-4-piston-mtb-hydraulic-disc-brake-set
store_origin: NL
region: Netherlands
---

# Ergonomic adjustable lever with CNC polish 4-piston CNC caliper for precision braking Lightweight magnesium-aluminum alloy build BUCKLOS IIIPRO IV4 4 Piston MTB Hydraulic Disc Brake Set, Front 850mm and Rear 1550mm Mountain Bike Hydraulic Brakes with Aluminum Alloy Caliper Lever Fit Ebike,Fat Bike Trail Bicycle XC AM DH BMX

**Brand:** bucklos
**Price:** € 260.21
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Stop on a dime, ride like you own the trail.

## Quick Answers

- **What is this?** BUCKLOS IIIPRO IV4 4 Piston MTB Hydraulic Disc Brake Set, Front 850mm and Rear 1550mm Mountain Bike Hydraulic Brakes with Aluminum Alloy Caliper Lever Fit Ebike,Fat Bike Trail Bicycle XC AM DH BMX by bucklos
- **How much does it cost?** € 260.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/774310490-bucklos-iiipro-iv4-4-piston-mtb-hydraulic-disc-brake-set)

## Best For

- bucklos enthusiasts

## Why This Product

- Trusted bucklos brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Terrain Ready:** Optimized for MTB, XC, AM, DH, and BMX — conquer every descent and climb with confidence.
- • **Custom Comfort Fit:** Ergonomic, soft-touch levers with hand-adjustable angles for personalized braking feel.
- • **Effortless Maintenance:** Compatible with Hope V4/E4 pads and mineral oil for smooth, hassle-free upkeep.
- • **Lightweight Durability:** Magnesium-aluminum alloy construction balances featherlight weight with rugged strength.
- • **Precision Stopping Power:** 4-piston CNC machined caliper delivers unmatched control on any trail.

## Overview

The BUCKLOS IIIPRO IV4 is a high-performance 4-piston hydraulic disc brake set engineered for mountain biking enthusiasts who demand precision, durability, and comfort. Featuring CNC-machined calipers, ergonomic adjustable levers, and a lightweight magnesium-aluminum alloy build, this brake set ensures superior stopping power and control across all terrains, from technical climbs to aggressive downhill runs.

## Description

BUCKLOS IIIPRO IV4 4 Piston MTB Hydraulic Disc Brake Set, Front 850mm and Rear 1550mm Mountain Bike Hydraulic Brakes with Aluminum Alloy Caliper Lever Fit Ebike,Fat Bike Trail Bicycle XC AM DH BMX

## Features

- Ergonomic Lever Design: Comfortable, soft-touch lever design with CNC polished surface and built-in bearing. The lever angle is easily adjustable by hand for a personalized fit
- 4-Piston CNC Caliper: One-piece CNC precision machined caliper ensures stronger, more stable braking with efficient heat dissipation. Enjoy better control on steep descents or technical trails
- Durable Alloy Material: Crafted from magnesium-aluminum alloy for the perfect balance of lightweight performance (Front 229g / Rear 241g) and durability, suitable for all terrains
- Easy Maintenance:Compatible with Hope V4/E4 brake pads, uses high-performance mineral oil for smoother braking and easier maintenance.Front brake is 850mm, rear brake is 1550mm
- Multi-Terrain Versatility: Designed for MTB, XC, AM, DH, trail, and street bikes. Whether you're racing downhill or climbing technical sections, the IV4 brake set provides the stopping power you need

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 8.54 x 8.39 x 3.19 inches |
| Package Weight | 0.69 Kilograms |
| Item Weight | 0.69 Kilograms |
| Brand Name | BUCKLOS |
| Color | Black |
| Manufacturer | BUCKLOS |
| Part Number | IV4 |

## Images

![BUCKLOS IIIPRO IV4 4 Piston MTB Hydraulic Disc Brake Set, Front 850mm and Rear 1550mm Mountain Bike Hydraulic Brakes with Aluminum Alloy Caliper Lever Fit Ebike,Fat Bike Trail Bicycle XC AM DH BMX - Image 1](https://m.media-amazon.com/images/I/61ntymsoFgL.jpg)

## Available Options

This product comes in different **Color** options.

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**Shop now:** [https://www.desertcart.nl/products/774310490-bucklos-iiipro-iv4-4-piston-mtb-hydraulic-disc-brake-set](https://www.desertcart.nl/products/774310490-bucklos-iiipro-iv4-4-piston-mtb-hydraulic-disc-brake-set)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-16*