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GEARBOX ROHLOFF IN CYCLO-HIKING

On the What-bike-in-cyclo-hiking ? page, , we reviewed the criteria for choosing the type of bike and the main technologies.

The major technological choice of the transmission applies to both Classic Bikes and EABs.

This is why this special page is dedicated to the ultimate in transmissions: The ROHLOFF gearbox.

The ROHLOFF, (bicycle gearbox), is a pure marvel.

• On a hike it is classic to find yourself facing a steep slope at the bend of a change of direction; or to have to stop in a hurry when you were on a big development. With a classic derailleur transmission, the problem is to start again by lowering the gears (sprockets… and chainring!). The worst being facing a nasty slope. In extreme cases, you have to turn back to bring the gears down. With the ROHLOFF, no more problems: the gear change can be done while stationary, so whatever the surprises of the terrain, you can start again with ease.
   
• On slopes with fluctuating gradients, one must change speed regularly. With derailleur gears, the problem is when you have to change the chainring as well. Because when changing the chainring, you also have to juggle changing the sprocket to get the right development. Loaded with 25kg of luggage… it's sporty… not to say, often, a pain.
  With the ROHLOFF no more problems: all its 14 speeds (as many USEFUL speeds as on a 3x8) can be shifted continuously, smoothly, without jerking with a single lever and with an extremely regular gear spacing between speeds. See the Comparison diagram between derailleur gears and Rohloff gears.
   
• When it rains, the best protection is the cape that goes up to the handlebars. But this hides the control levers. With derailleur gears, you don't know which chainring you're on… so there's a risk of chain crossing, risk of derailment… this is not good at all.
  With the ROHLOFF, you don't care where you are: it's too hard so you downshift, it's too easy so you go up a gear… no questions asked, no risk of damaging anything… From speed 1 to speed 14 it's a continuous click-clack, I increment or decrement according to the feeling, the need!

The ROHLOFF for Classic Bikes is the same as the ROHLOFF for EAB, except that the control is mechanical by cable for the former and electrical for the latter.

ROHLOFF - CLASSIC BIKE - MECHANICAL OPERATION

Mechanical cable control by means of a twist grip on the handlebar.

ROHLOFF - EAB - ELECTRIC DRIVE