STEVENS E-Bikes & TQ drive units

Minimum dimensions, minimum weight, maximum riding pleasure. This is what the TQ-HPR50 light assist drive unit offers.

Light assist drive units such as the TQ-HPR50 take a completely different approach to performance E-MTB drive units such as the Bosch Performance Line CX or the Shimano EP8. Instead of focussing on maximum torque and ever greater ranges, light assist drive units are designed to integrate unobtrusively into the bike. They offer a gentle tailwind and natural support on climbs. Thanks to their low overall weight, bikes equipped with the TQ-HPR50 drive unit are as agile and ride stable as classic bikes - for carefree, maximum riding fun on the trail, downhill, during gravel tours or simply on your daily commute in all weathers. Fully integrated into the frame, bikes with the TQ-HPR50 drive unit are indistinguishable from classic bikes at a first glance.

TQ-HPR50

Weighing just 1850 grams, the TQ-HPR50 drive unit is a good kilogram lighter than a Shimano EP8 drive unit, for example. Nevertheless, it offers a torque of 50 Nm and an output of up to 300 watts. The result is natural-feeling support for the rider on the flat as well as on the climbs - just as if you had the fittest legs of your life. It is whisper-quiet even at high power output, which contributes to the natural riding experience. Thanks to the special design of the drive unit with a smaller number of moving parts and complete decoupling of the drive unit from the cranks, there is no unnatural resistance when freewheeling or when travelling beyond the 25 km/h assistance limit. This means that an E-bike with the TQ-HPR50 drive unit rides just like a conventional bicycle when the assistance is switched off. Another advantage of the compact design of the drive unit is the Q-factor of just 135 millimetres for a natural and efficient riding experience.

Bikes with this drive unit

 

Ultra-compact, yet powerful and whisper-quiet - the TQ-HPR50 drive unit offers incredibly natural support for your pedalling power. Like a boost for your legs. But there are even more ingredients to a successful riding experience:

 

Conspicuously inconspicuous

The combined display/remote unit of the TQ-HPR50 drive unit is fully integrated into the top tube. This eliminates the need for a handlebar-mounted display, making the cockpits of bikes with the TQ-HPR50 drive unit very clear. Nevertheless, all relevant values can be read quickly and easily. Settings can be made using the integrated button or the compact handlebar remote. Different screens can be configured via the TQ E-Bike app.

Compact control

The remote of the TQ-HPR50 system is just as compact as the drive unit and battery. Equipped with just two buttons, it allows you to quickly change the support levels without having to take your hands off the handlebars. The remote can also be used to control the push assistance of the drive unit. Optimised button feedback ensures intuitive handling even on uneven surfaces and the roughest descents.

Energy package

Weighing just 1830 grams, the battery was specially developed for the TQ-HPR50 drive unit. The high energy density of the battery cells enables a slim design, allowing our designers to realise frame shapes and tube diameters that you are otherwise only used to from classic, non-electrically assisted bikes. With a capacity of 360 Wh, there is also enough range for challenging rides.

Extended

The range extender of the TQ-HPR50 drive unit offers a capacity of 160 Wh at a weight of just 950 grams. As compact as a 500 ml drinks bottle, it can be attached to the frame quickly, easily and securely using the Fidlock system. With the additional range it provides, nothing stands in the way of extended day trips. The range extender can be charged either separately or connected to the drive unit. The additional charging socket on the housing of the range extender makes this possible. The intelligent automatic charging system first charges the main battery with the range extender being charged afterwards. Both are fully charged in just three to four hours. The range extender is even ready for use again during a slightly longer snack break.

Simply individual

If you want to customise the three available motor support levels to your own needs, you can use the TQ E-Bike app. It allows you to set the support power and pedal feedback of the individual riding modes and adapt them to your personal requirements. The display and the order of the various screens can also be customised. With its clear design, the app only displays the most important information - so you can concentrate fully on the essentials.