Bicycle: Marin Year: 1996 Model: FSR Noleen P/N: NR3-Marin Other Model Applications: None -Shock Style availability- -NR-1: No -NR-2: No -NR-3: Yes -NR-4: No Shock Spring Rate: NB1.5-550 (140-170) Additional Rates: None Shock Stroke: 1.5" stroke Long Travel Availability: Possibly, if the frame will accept a longer shock (170mm). Notes: The only spring Noleen offers as a replacement for this unit is the NB1.5-550