Even more about it on his blog:-Martin's description explains the reasons for.
http://www.e-bikeshop.co.uk/fahrer-bosch-battery-cover-ebike-2013-2014
The latest Gen2 Haibike eMTBs do appear to incorporate something:-OK I get the idea, how about some motor protection for the new bosch drive bikes.
All the detritus coming off the front wheel goes straight on to the motor ! Just how tough is it, Im reluctant to bump over logs & large branches while riding woodland trails just in case
Now that's the sort of thing we need for our CUBE'sThe latest Gen2 Haibike eMTBs do appear to incorporate something:-