Rohloff Internal Hub with Disc Brake

HKEK said:

Are these hubs very heavy, i.e., what would be the net
impact on overall bicycle weight if one were to build up a
bike using the Rohloff internal gear hub with disc brake
versus a traditional (high end) derailleur system with
disc brake? Surely someone has done this analysis (Sheldon
Brown?).

Rohloff had published a document "14_Gaenge-in-einem-
Dreh.pdf" with (among other things) a detailed weight
comparison, but I couldn't find it on their site when I
looked today. The comparison took into account all the
differences between a derailleur setup and a Speedhub setup
(including the little stuff, like shorter chain and spokes
with the Speedhub). The weight difference they reported was
200-450 grams depending on the component group you're
comparing the Speedhub to. Their disk brake example showed
2072g for the Rohloff parts and 1630g for the parts present
on a derailleur bike.

If you want a copy of that PDF file, email me.

Weights and other specs of various Speedhub models can be
found (available in English or German language) on Rohloff's
site at rohloff.deindex.phpOpen ↗
nische%20Daten (the weights listed are just the hub; the
twist grip is 110g).

I have a Rohloff Speedhub and I am happy with it. The extra
weight is less than that of a full water bottle.

Tom Ace [email hidden]

HKEK said:

Are these hubs very heavy, i.e., what would be the net
impact on overall bicycle weight if one were to build up a
bike using the Rohloff internal gear hub with disc brake
versus a traditional (high end) derailleur system with
disc brake? Surely someone has done this analysis (Sheldon
Brown?).

Thanks!

I added 2.2 pounds when I installed mine. I weighed the
complete bike before and after the conversion.

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RE/

Quoted message said:

I added 2.2 pounds when I installed mine. I weighed the
complete bike before and after the conversion.

Same methodolgy here.

Came up with almost exactly 2 pounds... It replaced a SRAM
9.0 system.
--
PeteCresswell