April 25, 201016 yr hi, i'm nicolas from south france i'm riding vintage trials bikes for three years now, , specialy english ones. i own an ariel ht5, a cub, i had in the past a 1962 greeves scottish, beamish suzuki... but know i'm fond of my miller replica... quite different of the others i had, but really fantastic.. i find your forum very interesting vintage riding seems to be most popular than in france!! my bike has a bartram frame, neb clutch, norton roadholder fork with marzocchi internals, and a pair of njb expert shocks i have to dry the fork, but i don't know quantity and viscosity i should use, and i like to purchase a set of njb trixshocks in 360 mm instead of 340 has somebody try these shocks? cheers nicolas
May 1, 201016 yr Hi Nicolas. I swapped out the Betor/Combe units I first tried out on my HT5 for the NJB's after the former proved to light, even with the "heavy" springs. For the latter I went with the HS1 heavy spring but my documentation doesn't say anything about length or model, just a helpful "NJB Trials shocks" on the invoice! I don't remember my options at the time (it was a few years ago) regarding length but will measure up when I get a chance. I'm very satisfied with them. Regards, Doug
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