TRP EVO PRO HD-M9040

$307.99

In Stock

High-performance 4-piston hydraulic MTB brake engineered for sustained, fade-free stopping on long, steep descents. Aluminum construction, mineral oil system and 1900mm hose for reliable fit and heat management.

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Available Options

Option	Price	Availability
TRP, EVO PRO, MTB Hydraulic Disc Brake, Right, Post mount, Disc: Not included, Black	$307.99	In Stock
TRP, EVO PRO, MTB Hydraulic Disc Brake, Left, Post mount, Disc: Not included, Black	$307.99	In Stock
TRP, EVO PRO, MTB Hydraulic Disc Brake, Right, Post mount, Disc: Not included, Grey	$318.99	In Stock
TRP, EVO PRO, MTB Hydraulic Disc Brake, Left, Post mount, Disc: Not included, Grey	$318.99	In Stock
TRP, EVO PRO, MTB Hydraulic Disc Brake, Right, Post mount, Disc: Not included, Gold	$329.99	In Stock
TRP, EVO PRO, MTB Hydraulic Disc Brake, Left, Post mount, Disc: Not included, Gold	$329.99	In Stock

Product Details

Overview & Technology

TRP's EVO PRO HD-M9040 is a purpose-built 4-piston hydraulic disc brake designed to control heavy, technical riding where repeated high-load braking generates extreme heat. The caliper is machined from lightweight aluminum and paired with a mineral-oil hydraulic circuit to deliver strong, consistent lever feel and industry-grade corrosion resistance. The EVO PRO's advanced caliper geometry and compatibility with thicker, heavy-duty rotors (large 2.3mm rotor thickness setup) increase thermal mass and speed heat dissipation, reducing brake fade on long descents. With a 1900mm hydraulic hose and post-mount interface, this unit is ready for aggressive enduro, downhill and eMTB applications where modulation and repeatable power matter most.

Key Features & Benefits

Purpose-driven construction: The aluminum caliper and lever blade give a strong, durable platform without excessive weight. Four pistons provide even pad contact and superior clamping force for controlled, confident deceleration. Real-world advantages: • 4-piston design delivers powerful, progressive stopping power and improved modulation under load. • Mineral oil system ensures predictable lever feel while minimizing maintenance headaches associated with DOT fluids. • Optimized for thicker rotors to increase thermal capacity and reduce fade on multi-stage descents. • 1900mm hydraulic hose gives flexibility for routing on most modern frames and eMTB setups.

Fit, Installation & Compatibility

The EVO PRO uses a standard post-mount caliper interface and is sold as a left- or right-side unit; rotors are not included. The brake is supplied with a 1900mm hydraulic hose, making it straightforward to fit most full-suspension enduro, downhill and eMTB frames without immediate hose replacement. Lever blade and caliper are aluminum — bleed fittings and adapters follow TRP's hydraulic layout, so bleeding with mineral oil-specific kits is required. Note: Choose rotor diameter and specific mounting adapters separately to match your frame and fork. The brake is compatible with thicker, heavy-duty rotors (manufacturer recommends using rotors appropriate for sustained heat loads and thicker 2.3mm-type designs). Ensure you select the correct left or right variant and post-mount hardware for your frame/fork.

Who It's For

The EVO PRO is built for riders who push long, steep descents regularly: enduro racers, downcountry athletes, and eMTB riders hauling extra weight and speed. If you experience brake fade during long stages, need repeatable bite and modulation, or run heavier rotor setups, the EVO PRO is a performance-minded upgrade. This caliper is ideal as an upgrade to 2- or 4-piston entry-level brakes, or as a replacement for riders who demand a balance of strong power, consistent lever feel, and better heat management without switching to heavy, overbuilt gravity-specific systems.

Key Features

✓ 4-piston aluminum caliper for even pad contact and high clamping force
✓ Engineered for thicker 2.3mm rotor compatibility to dissipate heat faster
✓ Mineral oil hydraulic system for stable lever feel and easy servicing
✓ 1900mm hose length included for flexible routing on modern frames
✓ Post-mount interface fits most enduro and downhill forks and frames
✓ Available left/right variants and multiple color finishes (black, grey, gold)
✓ Lightweight aluminum lever blade balances strength with precision control

Specifications

Fluid	Mineral oil
Brake Material	Aluminum
Caliper mount	Post mount
Disc Diameter	Not included
Hydraulic Hose Length	1900mm
Lever Blade Material	Aluminum
Pistons	4
Position	Right
Primary Color	Black
Shift Lever Comp.	W/ Adapters (not included)

Product Identifiers

Vendor Item #	ABHD000862
EAN	4717592041682

Frequently Asked Questions

Does the EVO PRO come with rotors and mounting adapters?

No — rotors and any specific post-mount adapters are not included. The caliper is post-mount compatible, so you'll need to purchase rotors sized to your frame/fork and any adapters required by your rotor diameter separately.

What hydraulic fluid does this brake use?

The TRP EVO PRO uses mineral oil. Use mineral-oil-compatible bleed kits and avoid DOT fluids, which are not compatible and can damage seals and paintwork.

Can I run these on an eMTB?

Yes — the EVO PRO is well suited to eMTB use thanks to its heat-management focus and strong, repeatable stopping power. Ensure rotor size and mounting hardware are appropriate for your heavier, faster bike.

How do I know if I need the left or right brake?

Brakes are sold as side-specific units. Choose the side based on which lever you need to replace or upgrade. Check your current setup or the manufacturer's recommendations for control placement if fitting a single-sided unit.

Is the 1900mm hose too long for my frame?

The 1900mm hose is intentionally generous to accommodate a wide range of frames and e-bike routings; it can be trimmed to length during installation. Always cut and bleed the hose properly or have a qualified mechanic do the final routing and bleed.

How does this brake reduce fade on long descents?

The EVO PRO's caliper architecture paired with compatibility for thicker rotors increases thermal mass and improves airflow around the braking surface, which disperses heat faster. The 4-piston layout also spreads heat load across a larger pad area, helping maintain modulation and power during sustained braking.

Buying Guide

When choosing an MTB hydraulic brake for enduro or downhill riding, prioritize piston count, heat management, and fluid compatibility. Four-piston calipers like the EVO PRO provide stronger clamping force and more even wear across pads, which helps with modulation and stopping in technical terrain. Select rotors with greater thermal mass for long descents, choose pad compounds (sintered for higher temperatures, organic for initial bite and quieter performance), and confirm lever reach and hose length fit your bike. Always use the correct hydraulic fluid—mineral oil for TRP systems—and have a qualified mechanic trim hoses and perform the first bleed if you're unsure.

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