I like the green colour. If you find muscle power alone won’t get you where you want to go any more. You might try one of these: https://www.rokon.com/bikes/scout Would be a fitting accompaniment to your Mokai: http://www.theultralighthiker.com/?s=mokai
See also: http://www.theultralighthiker.com/2wd-folding-motorbike/
I really wish we could get these bikes here in Australia
Or something similar – time for a bit of DIY perhaps. Cheers, Steve.