Bottom bracket 18 speed gears

Tired of triple chain rings and 10 speed cassettes?  Not convinced by hub gears?  This may be your answer – 18 gears, with 634% range and 11.5% steps between gears – check it out http://www.pinion.eu/en/produkt.html

For a video in German, go to http://www.youtube.com/watch?v=b4vyxG7g1P4

About Peter Bartlett