Last weekend some German HPN owner told me they charge €3000 for there swing arm.
He also told me that with the 1100 or 1150 swing 250mm wheel travel was the max. But if you would like to have more you would have to use there swing arm.
BMW R100'91/R80'93/R75/6 R80ST'83/R65GS'87/GasGasTXT300/DouglasW20-1920
Ride Report 2012