OHLINS Kawasaki ER-6 (06/08) Front Fork Springs (8.5 N/mm)Front fork springs by Ohlins for Kawasaki ER 6 models. Ohlins fork springs are developed specifically for Ohlins cartridge kits and front forks. But they are also in itself a great front end upgrade and as such available as a spring upgrade for most major bike models. Length: 280 mm Rate: 8. 5 N mm Rec. Ohlins oil: 01314 Oil level: 130 mm APPLICATION: Kawasaki ER 6N ER 6F (2006 2008)