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internal gear hub on a frame with 145mm dropouts

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internal gear hub on a frame with 145mm dropouts

Old 01-09-12, 11:41 PM
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internal gear hub on a frame with 145mm dropouts

Hi all, I am wanting to put an internal geared hub (either an Alfine 11 or the Rohloff) on a Cannondale Road Tandem (aluminum). From what I have found all of these hubs have a 135 mm spacing, whilst the Cannondale frame has 145mm dropouts. Does anyone know of a way to get the shorter axle to fit the wider frame. (note that I do not currently own the hub or frame, so I cannot measure anything)

My thoughts so far: 1. if the axle happened to be long enough, simply add some serated spacers, 2. replaces the axle (I have a feeling it is not removable), 3. perhaps there is some sort of extender nut/bolt thing that can be threaded on the existing axle to make it longer, 4. bend the frame (though I think is bad news with aluminum.

Any ideas of how to get the narrow hub on wider dropouts???
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Old 01-10-12, 06:35 AM
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It can be done. If you head over to MTBR.com go the the internal hub forum, also in the tandem forum. Nate, gave all the details of how he installed a Rohloff into their 145mm Cannondale mountain tandem. FWIW, they ride it off-road, so on-road should be no issue.

Nate goes by the call sign Speedubnate or similar. Last I knew, he was also a moderator of the internal geared hub forum.

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Old 01-10-12, 12:04 PM
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R&E Cycles in Seattle offers a tandem with the Rohloff hub installed. Also lots of info on the hub itself.
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