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)

Bucklos Mtb Hydraulic Disc Brakes Mountain Bike Left Front 800mm

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MX$1920

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Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

WHISPER QUIET RIDE - Resin-metal composite pads protect rotors and eliminate brake noise for a smooth, stealthy experience.
UNIVERSAL COMPATIBILITY - Designed to fit e-bikes, fat bikes, BMX, scooters, and more with adaptable rotor support.
ERGONOMIC BRAKE DIRECTION - Left-front and right-rear setup tailored for intuitive control, matching American riding habits.
TWO FINGER STOPPING POWER - Upgrade from mechanical to hydraulic for effortless, precise braking on any terrain.
PLUG AND PLAY INSTALLATION - Pre-bled with mineral oil—get trail-ready in minutes without the mess or hassle.

The BUCKLOS MTB Hydraulic Disc Brake Set delivers powerful, precise stopping with minimal effort thanks to its hydraulic system. Featuring pre-bled mineral oil lines and aluminum alloy levers, this set fits a wide range of bikes including e-bikes and fat bikes. Its quiet resin-metal composite pads ensure noise-free braking, while the ergonomic left-front/right-rear configuration enhances rider control. Easy to install and built for rugged terrains, it’s the perfect upgrade for serious trail riders seeking reliability and performance.

Specifications

ASIN	B088N9YZ6H
Additional Features	Easy to Install
Best Sellers Rank	#56,393 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #22 in Bike Disc Brake Sets
Brand	BUCKLOS
Brand Name	BUCKLOS
Color	Front Only Red
Customer Reviews	4.1 out of 5 stars 59 Reviews
Exterior Finish	Aluminum
Finish Types	Painted
Hand Orientation	Ambidextrous
Handle Attachment Mechanism	Standard clamp or bolt system
Handle Material	Aluminum, Resin
Handle Type	Lever
Included Components	Screw
Item Dimensions L x W	29.53"L x 29.53"W
Item Weight	0.82 Pounds
Manufacturer	BUCKLOS
Manufacturer Part Number	700553A2
Material	Aluminum
Material Type	Aluminum
Metal Type	Aluminum
Model Number	700553A2
Number of Items	2
Product Dimensions	29.53"L x 29.53"W
Shape	Round
Style	American
Style Name	American
UPC	190726836806
Unit Count	1.0 Count

Reviews

J**D

8.12.2020

M**D

6.09.2025

C**P

3.01.2026

E**S

10.07.2025

J**S

30.12.2024

C**.

24.10.2020

A**R

15.10.2020

U**N

19.01.2024

F**.

3.10.2025

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