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Technologies of the OAK Root-Levers

Root-Lever raw montiert an Magura MT5 Bremse

Our first product, the OAK Root-Lever suitable for MAGURA brake systems, offers some significant advantages over the usual solutions on the market. Here you can find out more:

ALK (Advanced Lever Kinematics)

The adjustment of the lever ratio for maximum braking power with first-class controllability makes a good brake even better. We calculated, compared and tested countless variants until we came to the best result for us and our team riders.

Root-Lever Raw mounted on Magura MT8 brakes

CPA (Contact Point Adjustment)

The CPA from OAK Components is a mechanism for fine-tuning the pressure point. The production of a special adjusting screw makes it possible:

The pressure point can be adjusted in 1/4 millimeter increments via fine notches on the thread of the specially designed adjusting screw and provides haptic feedback with a clearly defined click. The adjustment range is significantly larger than with original Magura levers and makes the braking system more adaptable.

Root-Lever Raw mounted on Magura brakes

EPA (Empty Path Adjustment)

Using OAK's EPA system, the brake lever can be adjusted easily, quickly and precisely. This eliminates the need for a return spring, which often causes problems on the MT series brakes. In combination with the CPA system, every imaginable lever position can be achieved and the brake can be adjusted to all personal preferences. Your braking system is more fail-safe than ever before. Always pay attention to the correct adjustment of the brake according to the specifications.

The EPA system also enables the brakes to be locked briefly for maintenance work when the truck is stationary. To do this, the threaded pin is screwed in until the brake engages. This means that repairs can be made on the go without your bike rolling away.

Kink protection with steel spring

SBP (Superior Bend Protection)

A completely redesigned kink protection on the brake line mount protects this highly stressed area. Kinks in the brake line can lead to a spongy pressure point or, in the worst case, loss of oil. Our experience is that the usual plastic parts do not provide reliable protection in the event of a crash or tree contact. In our tests, a steel spring was able to absorb the forces acting much better and is our method of choice.

topology optimization and simulation

Topology optimization describes the calculation of a material arrangement in the design space that can withstand a load as well as possible. This means: where the stress in the component is high, there is more material. This process was instrumental in the design of our lever. In this way, the stiffest and most resistant construction is generated from as little material as possible. Using FEM simulations, weak points are then analyzed, the component optimized and verified before milling. Of course, we test the result extensively on test benches and trails.

Mountain biker rides a trail in the forest



We test all our components to the highest standards ourselves and in cooperation with independent testing institutes. Our levers are certified according to DIN EN 14766, with tests going well beyond the norm. The feedback from our team riders is even more important to us. Ergonomics, durability, crash behavior: Everything is discussed in detail and is the basis for the next optimization steps. Only those who allow criticism and meticulously eliminate weak points can get the best possible result.


feedback culture

Some problems only occur when several factors or environmental influences interact in tough continuous use and cannot be foreseen even in our extensive tests. Therefore, we take feedback from our customers very seriously. Every rider rides different trails, has different ergonomic requirements and sets different priorities for their equipment. We try to cover as many of these aspects as possible with our products. For incentives, please use our contact form and tell us what we can do even better for you.