Wheelbuilding / Wheel Building / Wheel build help

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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

The Rohloff SPEEDHUB 500/14 is only available in a 32/36 spoke version. The ideal rims to be used are triple hollow aluminum rims from known manufacturers with reinforced spoke eyelets (min. 4,4mm) or alternatively, rims which are diagonally drilled or with countersunk nipple seats (e.g. ANDRA, Taurus, GRIZZLY and EDGE 7 from Rigida/Ryde or the Ex19 rim from Exal).

@R.Hobbs might know?

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gbj_tester in reply to @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?

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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