My Zephyr has the fitted as standard rear shocks with gas reservoirs. Is it possible for these to be refurbished by a specialist (Hagon for instance), or are they replacement only. Anyone know (and more importantly, anyone GAF) TIA -- Dan L (Oldbloke) My bike 1996 Kawasaki ZR1100 Zephyr M'boy's bike 2003 Honda NSR125R Spare Bike 1990 Suzuki TS50X BOTAFOT #140, DIAABTCOD #26, BOMB#18 (slow)