The current Cube Nulane Hybrid is powered by the Bosch Performance SX from the smart system. For the 2026 model year, Cube specifies a maximum torque of 60 Nm. Older model descriptions often still cite 55 Nm. This figure refers to an earlier performance level of the drive unit and should not be confused with the current 2026 models.

The motor weighs approximately two kilograms and was developed for lightweight, sporty e-bikes. It provides powerful support primarily when the rider is pedaling actively and maintaining an appropriate cadence. Its character therefore differs from heavy trekking motors, which generate a very noticeable boost even at slow crank speeds. The SX reacts dynamically but requires a bit more effort from the rider.

If you mainly ride on flat commuting routes, you can use the motor sparingly and handle the Nulane Hybrid similarly to a standard fitness bike. The assistance helps when starting off, in headwinds, and on bridges or inclines. Due to its low total weight, the motor has less mass to accelerate on flat sections than it would on an e-trekking bike weighing over 25 kilograms.

If you prefer a sporty ride, the Bosch Performance SX is also a good fit. It delivers its power quickly at a higher cadence, which is noticeable on rolling terrain and short, steep climbs. The wide gear range of the installed derailleurs helps to find a suitable gear even when riding uphill.

Above 25 km/h, the motor assistance cuts out in accordance with the legal requirements for pedelecs. The lightweight design of the Nulane Hybrid makes this transition less jarring than on a heavy e-bike. Even so, a statement like “completely free of motor resistance” would be too sweeping. What matters is that the bike carries comparatively little mass even without assistance and rolls on fast tires.

The Bosch CompactTube 400 is securely housed within the down tube. A large removal opening with a lock, cover, and additional mount is therefore not required. This saves components and enables a slimmer frame profile. However, the battery cannot be taken inside the home for charging. The bicycle must be parked within reach of a power outlet.

The 400 Wh capacity is smaller than that of many touring e-bikes with 625, 750, or 800 Wh. This is part of the lightweight design concept. For commuting and sporty day trips, the battery is often sufficient. On long routes with significant elevation gain or sustained high assistance, the range decreases accordingly.

Anyone who regularly plans longer tours can add the Bosch PowerMore 250. The range extender is attached to the designated mounts on the frame and increases the available capacity by 250 Wh to a total of 650 Wh. Retrofitting requires a suitable connection cable and the correct system configuration. Installation should therefore be coordinated with a specialist dealer.

The frame of the Cube Nulane Hybrid is made of C:62 carbon. The designation refers to the material mix and manufacturing technique used by Cube. Carbon fibers handle tensile forces, while the resin system secures the fibers and distributes loads. Cube manufactures the frame using the Advanced Twin Mold process to precisely adapt wall thicknesses and fiber layers to the forces encountered.

The most important advantage is evident on the scale. The Cube Nulane Hybrid C:62 SLX 400X weighs 14.0 kilograms in a medium frame size. Even the fully equipped FE models, at 15.4 and 16.1 kilograms respectively, remain well below the weight of many e-trekking bikes. Anyone who needs to carry the bike up stairs, store it in a basement, or transport it on a suitable bike rack benefits from this in everyday use.

The low weight also affects handling. The Nulane Hybrid accelerates more easily, reacts more directly to steering inputs, and requires less effort when riding without assistance. On winding paths, it feels more like a sporty gravel or fitness bike than a heavy touring bike.

In addition to the weight advantage, carbon offers precisely tunable stiffness. The area around the bottom bracket and head tube must absorb drive and steering forces. Other frame parts can be allowed to flex in a controlled manner to reduce fine vibrations. The frame does not replace suspension. On rough surfaces, the wide tires and appropriate tire pressure are the primary contributors to comfort.

The Race models feature a mechanical nine-speed Shimano Cues drivetrain. This setup is straightforward, suitable for everyday use, and offers a gear range broad enough for commutes and tours. The SLX models use an electronic twelve-speed SRAM Apex XPLR AXS drivetrain. It shifts via wireless signal, provides finer gear steps, and is geared more towards riders who value high-performance equipment.

There is a difference of about 1.4 to 1.6 kilograms between the standard version and the corresponding FE model. This additional weight comes from the mudguards, lighting, luggage rack, and kickstand. Those who use the bike daily for their commute do not need to select and mount these parts individually with the FE version. For training and recreational rides without luggage, the lighter standard version makes more sense.

The weight specifications refer to a bike in a medium frame size and may vary slightly for other sizes. Pedals, retrofitted accessories, the PowerMore battery, and luggage also increase the actual weight. The permissible system weight for current models is 130 kilograms. Cube specifies a maximum rider weight of 100 kilograms, including clothing and gear worn directly on the body.

The Cube Nulane Hybrid and Cube Nuroad Hybrid utilize a similar basic technical concept. Both model series combine a C:62 carbon frame with the Bosch Performance SX motor, a 400 Wh battery, and wide gravel tires. The crucial difference lies in the handlebars and the resulting riding position.

The Nulane Hybrid features 720-millimeter-wide flat handlebars. Your hands rest on straight grips on the outside. This gives you a wide lever for steering movements and allows for good control of the bike at low speeds. In city traffic, this position makes checking over your shoulder and maintaining an overview easier. Brake levers and gear shifters are directly accessible at all times.

The Nuroad Hybrid is built as an e-gravel bike with drop bars. The drop bar offers multiple hand positions and allows for a more forward-leaning posture. On long, fast stretches, this position reduces air resistance. The narrower handlebar shape is suitable for sporty gravel tours and longer distances, but requires a bit more getting used to in heavy traffic or on slow, winding paths.

If your daily routine consists of bike paths, traffic lights, tight corners, and frequent stops, the flat-bar e-bike offers more practical handling. The Nulane Hybrid reacts directly and also provides a sense of security for riders who have previously ridden a trekking bike or mountain bike. With FE equipment, it also takes on many of the tasks of a lightweight commuter e-bike.

If you mainly ride longer distances on country roads and gravel paths, the Nuroad Hybrid may be a better fit. The varying grip positions relieve strain on your hands during long tours. In the drops, you can adopt a more compact position when riding into a headwind. For athletic gravel training, this concept is closer to a classic gravel bike.

The Nulane Hybrid is, however, no slow comfort version of the Nuroad. The frame, wheels, and drive system are designed for brisk riding. It appeals to riders who want to combine road bike speed and gravel tires with the control of a flat handlebar. Anyone who doesn't want to ride a drop bar therefore doesn't have to forgo a lightweight carbon frame or the Bosch Performance SX.

The Cube Nulane Hybrid is suitable for asphalt, gravel roads, dirt tracks, and solid forest paths. Cube classifies its current models under Category 2. This includes not only paved surfaces but also well-maintained unpaved paths with moderate inclines. The bike is not intended for jumps, bike park tracks, technical trails, or rough descents.

The rigid carbon fork keeps the weight low and translates steering movements precisely. In return, it lacks the suspension travel of an e-mountain bike. Larger rocks, roots, and deep potholes are therefore felt more clearly by the handlebars and the rider. Those who regularly ride such sections require a bike with a suspension fork, sturdier wheels, and geometry tuned for technical trails.

For the current Nulane Hybrid frames, the maximum tire width is 50 millimeters. According to specifications for the 2026 model year, this also applies when mudguards are fitted. The frequently cited limit of 45 millimeters therefore does not describe the maximum frame clearance. Rather, it corresponds to the width of many standard-fitted tires. Race models come from the factory with 45-622 Schwalbe G-One Allround tires, while SLX models use Continental Terra Speed tires of the same width.

• For mostly smooth asphalt, lightly treaded tires with higher air pressure are suitable. They roll smoothly and save energy on commutes.
• For mixed tours on asphalt and gravel, the standard 45-millimeter tires are a balanced compromise between speed, traction, and comfort.
• For loose forest and dirt paths, tires up to 50 millimeters can offer more contact surface and reserves. The actual measurement also depends on the rim used.
• For wet or muddy paths, a coarser tread is more important than the tire width alone. Before installation, frame clearance and wheel compatibility must be checked.

Air pressure significantly influences handling. Pressure that is too high reduces comfort and makes the tire slip faster on loose surfaces. Conversely, pressure that is too low increases the risk of punctures and unstable behavior in corners. Rider weight, tire model, rim width, and luggage determine the appropriate value. The specifications on the tire and rim set the permissible limits.