Gearbox Fahrrad. Pinion also uses three multipliers but unlike triples, there is no overlap in pinion’s c1.12 gearbox. We make the complete bike buying process easy so you can get out and ride today! Project Heathen Gearbox bike development from sickbicycles.blogspot.com Despite its relative flatness, the dutch are very resourceful mountain bikers. Shop for mountain […]