Hope Technology has just launched a major upgrade to its popular Tech 4 brake system—and it’s good news for e-bike and mountain bike riders who demand better stopping power and smoother control.
Known for building precision-made components in the UK, Hope Technology has refreshed its Tech 4 lineup with the new EVO series, designed to handle everything from cross-country to full-on gravity riding. With improved brake power, easier maintenance, and better compatibility with modern frames, this update is tailored for today’s riders—especially those on heavier e-bikes.
What’s New in the Hope EVO Brake Line?
The EVO update touches both the pääsylinteri ja callipers. Riders now have three models to choose from depending on their style:
- EVO GR4 – Built for gravity and e-bike riders who need the most power and heat management
- EVO TR4 – A balanced option for trail and all-mountain riding
- EVO X2 – A lightweight, two-piston option best for cross-country and lighter trail bikes
EVO GR4: Made for Gravity and E-Bike Demands
The GR4 is the most powerful brake in the lineup and is designed for heavy-duty use, including e-MTBs. It features a one-piece caliper that’s been stiffened for maximum performance, with larger pistons that boost brake power by 6% over the previous Tech 4 V4 model.
The brake has also been slimmed down to better fit tight frame clearances—a key issue on modern full-suspension and electric bikes. One thing to note: the GR4 does not support vented rotors, a decision made to keep the caliper structure as stiff as possible under pressure.
This makes the GR4 ideal for riders who need confident braking on steep descents, loaded e-bikes, or long, technical trails where brake fade can be a real problem.
EVO TR4: Balanced Power for Everyday Trail Use
If you’re riding technical singletrack, long descents, or all-mountain terrain, the EVO TR4 is your go-to. It also uses four pistons but has a more trail-focused tuning than the gravity-focused GR4.
Hope reports a 6.5% boost in braking ratio over the previous E4 system, offering more bite with less lever effort. Like the GR4, it uses larger pistons for more power and shares the same brake pads, making it easier to manage parts across bikes or groups.
TR4 is ideal for trail and all-mountain riders who want better modulation, smoother stopping, and confidence on the downhills without sacrificing control on the climbs.
EVO X2: Lightweight Control for Cross-Country Riders
Not everyone needs max stopping power—especially XC riders or e-bikes focused on light trail use. That’s where the EVO X2 comes in.
This model pairs the new EVO master cylinder with Hope’s X2 two-piston caliper, putting the focus on precision and lever feel over brute force. The X2 is lighter, sleeker, and perfect for riders who value lightweight control, fast reaction, and minimal drag.
It’s a great match for lightweight e-bikes, hybrid builds, or riders who mostly stick to smoother terrain but still want quality braking performance.
New Master Cylinder Features: What’s Improved?
The biggest changes to the Tech 4 master cylinder revolve around lever feel, control, and maintenance:
- A redesigned cam mechanism reduces “free stroke” (how far the lever moves before braking starts) but keeps the original smooth feel.
- Riders now have three lever blade options to fine-tune their setup:
- Standard – Balanced for general use
- Control – Prioritizes sensitivity and precision
- Teho – Designed for maximum stopping force
- The lever blade has also been redesigned with a more ergonomic hook ja textured surface for better grip—especially useful in wet or muddy conditions.
Simpler Maintenance and Modern Compatibility
One of the most practical updates is a new bleed port on the master cylinder, allowing mechanics or DIY riders to bleed the brakes without removing the lid. That means quicker servicing and fewer chances of contamination during maintenance.
On the caliper side, Hope has improved frame and hub compatibility, stiffened the body structure, and added a sliding guide and secondary piston guide, helping the system run smoother across the full lever stroke.
Designed, Tested, and Built in the UK
True to its roots, all Hope EVO brakes are still designed, tested, and manufactured in Barnoldswick, UK. The EVO range will be available in black or silver, with Hope’s signature anodized accent colors offered as custom options.
Availability starts 1 September, so riders and dealers won’t have to wait long to get their hands on the new models.
What It Means for E-Bike Riders
Sillä electric mountain bike riders, these updates are a big deal. E-bikes are heavier, faster, and often used on longer rides where brake performance and reliability are even more critical.
Whether you’re climbing with pedal assist or descending under full weight, having powerful, smooth, and easy-to-maintain brakes like the EVO series can dramatically change your confidence on the trail.
And with modular options—GR4 for power, TR4 for versatility, and X2 for weight savings—there’s now a Tech 4 EVO setup that fits nearly every type of e-bike rider.
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