and has a 4 mm outward offset, changing the chain-line from 54 to 58 mm, this because the smaller sprocket makes the chain run closer to the axle, and the chain would rub the hub shell if the sprocket were not offset. Technical data In use Break-in period Rohloff hubs generally require a break-in period to function optimally. The manufacturer suggests this may require of active riding. For some riders the break-in period may be longer. Until the hub is broken in the rider may experience some noise or vibrations when the reduction-gear is in operation (gears 1–7). Gallery See also Comparison of hub gears Sachs Elan - a 12-speed internally geared hub manufactured by Sachs Bicycle Components from 1995 to 1999. Shimano Alfine - a product series of multispeed internally geared hubs. Sturmey-Archer References External links Speedhub main page on the Rohloff AG website Living with a Rohloff Hub by Andy Blance of Thorn Cycles: Includes charts comparing the gear inches obtainable from different-sized chainrings linked to a Rohloff Speedhub 500/14 vs. popular combinations of chainrings and cassettes. Kinetic’s Rohloff page How to change oil and How to change your sprocket by Eric Schuijt of De Vakantiefietser, Amsterdam. Hub gears 1998 introductions Epicyclical gearing Articles containing video clips