The HardSeven 4.0 hard tail electric bike for 2017 is the entry level model within the Haibike sDuro range. The HardSeven 4.0 2017 eBike is built on cost effective components without compromising quality. Packing forks with 100mm of travel, this It is designed for the eMTB'er who wishes to take on some of the local trails. It is suitable for XC / Trail use. This e-bike also be used as a clutter free commuting electric bike.
The Yamaha PW mid-engine Drive Unit is proven to be a powerful and reliable motor. Thanks to its Zero-Cadence system, it supports the rider from the first revolution of the crank. The PW unit by Yamaha has an exceptionally quick power delivery. As one of the few motors available allowing a dual chainring, the Yamaha system is able to offer a broad range of gears providing more gear options out on the trails. Given its high maximum torque of up to 80Nm, its compact size, and its low noise, the Yamaha PW is one of the best e-bike systems for sporty use.
The Yamaha LED display is a compact yet robust display and a remote unit. Despite its small size, it provides the rider with all essential information. The actual LCD display area is large on the Yamaha system, each unit is easy to navigate and user-friendly. The units are displayed in a clear, easy to read manner. Positioned on the left of the handlebars, the remote is easily accessible.
Impact-resistant plastic SkidPlate, similar to a helmet, the SkidPlate protects the motor from damage and is strong enough to absorb even the hardest of strikes that would otherwise damage the motor. Conventional e-bike motors sit low in the frame and run the risk of being damaged by strikes to the underside of your bike. In 2012 Haibike introduced the SkidPlate, a simple protective element that effectively protects the motor from below.
The centrepiece of the frame: the motor interface. At this connection point, many important functions come together: the engine mount, swing arm and shock mounts, and the battery and downtube connection. The more stable the interface is, the more stable the entire frame is.