The Thorn Raven Tour is equipped with a Rohloff 14 speed internal gear hub. One nice feature is that the single drive cog can be reversed so that additional kilometres can be obtained from it as it wears. Being a single cog it functions as a single speed drive with no lateral chain movement hence less chain wear compared to derailleur gear systems. I like both derailleur and internal hub gear systems. I prefer the Rohloff hub for reliability and durability on long tours. So far there have been no problems with the Rohloff on tour.
A 16 tooth Rohloff cog after at least 10450km
The cog above was used on my first long tour of 6124km back in 2013. It was reversed about half way through that tour and reversed again prior to the summer 2016 trans-Europe tour. The picture shows the cog and drive direction at the end of this second 4326km long tour. It has since been reversed again as the ‘shark fin’ wear pattern had become quite pronounced.
I hope to get another 5000km (or more!) from the above cog before fitting the new one below!
A new 16 tooth Rohloff cog for comparison
If you have a Rohloff on your bike, how many kilometers/miles have you squeezed out of your rear cog?
Comments welcome below!