Pinion, Central gear in the bottom bracket.

pinionPinion shows with the new C-line transmission, a middle bottom bracket support with gear in the crankshaft.
With bikes for everyday, touring bikes and mountain bikes with the C-line are now bikes on the market that are lighter in weight than before.
The C-line transmission has 6, 9 or 12 gears..
The technique comes from the automotive industry.
The bikes shift gears in the bottom bracket with the advantage of low maintenance and a central weight right under the bike.
And not only for bicycles in the expensive segment, because the C-line, is also offered to for bicycles for around € 2,000.
Seperate transmissions are not sold.