Are they pre bleed already?

Yes they are pre-bled. you can install and use it directly when you receive it.

Which brake fluid is suitable for this hydraulic brake?

Mineral oil is more suitable.DOT oil may ruin the seals and destroy the brakes.

What is the braking direction of this brake? And the length of the cable?

The hydraulic brake is left front 800mm and right rear 1450mm.

What rotor size do you order with these?

The brake is compatible with 160mm rotor by default, and an adapter is required for the 180mm 203mm rotor.

What items are included in this brake packaging?

If you are ordering a pair,you will get : 2 pcs hydraulic brake handles+ 2 pcs twin piston calipers +2 pcs adapter+ 4 pcs screw(When selecting, please note whether it is a pair or a single side)

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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MTB Hydraulic Disc Brakes, Mountain Bike Left Front 800mm Right Rear 1450mm Hydraulic Brake Set Aluminum Alloy Levers with Calipers PM/is Adapter Fit EBike/Fat Bike

Product ID: 371116339

Details

Material
Aluminum Metal
Brand
BUCKLOS
Colour
Style
American
Product dimensions
75L x 75W

🔧Pre-bled, easy install

🛑Massive stopping power

🚵‍♂️Fits most bike types

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VT34269

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛑 Stop smarter, ride bolder — the ultimate hydraulic upgrade for your mountain bike!

UNIVERSAL COMPATIBILITY - Perfect fit for e-bikes, fat bikes, BMX, scooters, and more.
TWO FINGER STOPPING POWER - Upgrade from mechanical brakes for effortless control on any terrain.
PRE BLED MINERAL OIL SYSTEM - Ready to install out of the box—no messy bleeding required.
WHISPER QUIET RESIN METAL PADS - Enjoy noise-free braking that protects your rotors and your ride vibe.
ERGONOMIC LEFT FRONT RIGHT REAR SETUP - Designed for intuitive American-style braking with optimized hose lengths.

The BUCKLOS MTB Hydraulic Disc Brake Set features aluminum alloy levers and dual-piston calipers with pre-bled mineral oil for easy installation. Designed for left-front (800mm hose) and right-rear (1450mm hose) braking, it fits most bikes including e-bikes and fat bikes. Its resin-metal composite pads ensure quiet, powerful stopping across diverse terrains, making it a must-have upgrade for serious riders.

Specifications

Manufacturer	BUCKLOS
Part number	700553A7
Item Weight	620 g
Product Dimensions	75 x 75 x 75 cm; 620 g
Item model number	700553A7
Size	Front+Rear
Color	Front+Rear-Black
Style	American
Finish	Black
Material	Aluminum, Metal, Resin
Shape	Curved
Item Package Quantity	1
Number Of Pieces	2
Handle Material	Aluminum
Special Features	Easy to Install
Specific uses	Bicycle
Included components	Installation Hardware
Batteries Included?	No
Batteries Required?	No

Reviews

F**O

Pretendía comprar frenos hidráulicos, según la descripción y las fotos de la publicación, sin embargo lo que obtuve fue un par de frenos mecánicos que en nada coincide con la publicación

21.04.2022

M**.

Good solid braking, I installed this on a 2015 specialized P-Series dirt jumper. It stops the bike just fine, it is a left handed application. The brake line is long enough for bar spins. No issues mounting it to the bike. Good for the price.

8.12.2020

F**.

Passt alles, genau wie beschrieben.

3.10.2025

D**S

El problema es la Descripción junto con las fotos, Ya que es lo primero que ves, En las fotos de la publicación vienen un Par de frenos pero ena descripción muy al abajo dice que es solo uno! Pero realmente no es el único problema ya que el freno viene diferente a la descripción en este caso el freno que me llegó fue un trasero con mando cambiado y todo eso no viene explicado bien por eso solicito mi devolución

30.03.2021

M**E

Awesome item, easy Installation. Loving it

14.06.2021

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