New answers tagged internally-geared-hub
My experience as a bicycle mechanic in the Netherlands: don't mess with it. If it is an Shimano, it will probably run >100.000 km. If it is a Sturmey Archer, SRAM or any other well known brand, it will mostly do >50.000 km as well. If there is a small hole for lubricant, only do this once a year or so, with some thin grease, but not oil. Oil is to thin. ...
In my experience with various internal gear hubs on Dutch bikes, I found there's no maintenance necessary: I've never heard of them breaking down because of lack of maintenance. Here's a blog post that concurs. My current Gazelle bike manual also does not explicitly mention any maintenance on the hub gears, only how to adjust them.
You will likely be using at least one of the hubs outside of its maximum torque specification when riding in a low gear. Here's a random thread about a guy breaking a NuVinci by overtorquing it with a gas motor assist: http://forums.mtbr.com/internal-gear-hubs/how-much-power-will-alfine-handle-551706.html#5
The HP Velotechnik Scorpion is available with three front chain rings, three-gear internal hub, 8-speed rear derailleur setup. This has the additional advantage that you can shift while stopped, e.g. after emergency stops or similar. I found it rather tedious to keep the overview over which gear I'm currently in. My Velomobiel Quest has triple front, ...
I recently bought a bike with an Alfine 8 transmission. I plan to add a Chain Glider. It will mean changing the front chain ring to one of the supported sizes, so I will buy the Chain Glider, a Surly chainring and new rear sprocket from SJS Cycles on the basis of this thread. Here and here are some positive reviews.
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