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Does anyone know the optimum angle that the nipple should exit the rim for wheels built with rohloff hubs? Would it depend on the ERD?
The angle at the rim is a function of all the usual wheel parameters, and can be calculated using trigonometry. The limiting condition will depend on the nipple, nipple seat and drilling axis. Sapim give a permitted alignment error between spoke axis and drilling axis of 12 degrees for their Polyax nipple
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You wondering whether Rhyno Lite is gonna be OK?
According to what you posted from Rohloff, either 'reinforced' (by which I take to mean eyeletted) rims, or rims with specially drilled hole angles for Rohloff will be OK. I would use whatever is either of those, and if the rim dies try another. If you're worried you could add nipple washers to maybe give a bit more leeway #notanengineer
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“ PDF I attached shows the ideal spoke angle in a lateral direction. Use of incorrect rims here can lead to the same kink and thus issues we see with 3 or 4 cross lacing patterns. Fatbike hubs are thus recommended to use rims with a Nipple offset of at least 12.5mm so we achieve an angle of between 7 and 9 degrees in this direction too.”
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If you use a spaim.hm washer then then nipples can pivot nicely.
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@MCamb
Does anyone know the optimum angle that the nipple should exit the rim for wheels built with rohloff hubs? Would it depend on the ERD?
I’ve found this ‘diagram’ on the webs, but its more a visual aid as there are no measurements. This is the description in the rohloff manual
@R.Hobbs might know?
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