A quanto pare anche Shimano vuole lanciarsi nel modo delle E-bike con motore centrale:
http://pedelec-elektro-fahrrad.de/news/shimano-steps-2014-erste-bilder-der-neuen-e-bike-gruppe/
http://pedelec-elektro-fahrrad.de/news/shimano-steps-2014-details-des-neuen-e-bike-antrieb-systems/
Tradotto con google:
http://pedelec-elektro-fahrrad.de/news/shimano-steps-2014-erste-bilder-der-neuen-e-bike-gruppe/
http://pedelec-elektro-fahrrad.de/news/shimano-steps-2014-details-des-neuen-e-bike-antrieb-systems/
Tradotto con google:
...Thus, it is a fully integrated system , whose components match perfectly are. The drive unit itself offers a very low weight of only 3.1 kg - a value that this one of the lightest on the market makes.
The engine develops 250 watts and supports the e-bike quietly and with a maximum of 45 Newton meters of torque up to a speed of 25 hours kilometers . Three driving modes are there adjustable (Eco, Normal and High) and thus with the least support a range of up to 120 kilometers enable.
The required energy is in a battery with a capacity of 418 watt-hours saved. The battery gives it either as a tube version or for mounting on the rack , both of which are indicated with 1000 charge cycles. About the 1000 charge cycles, the battery will still be more than 250 Wh and can be still used as well. The charging time of a complete charge is the manufacturer with only four hours...