04-05 YZF-R1 Race Tech Fork Springs
04-05 Yamaha YZF-R1 Race Tech Fork Springs Specs: Stock Spring Rate: 0.930 kg Fokr Oil: 5w (2 liter required) Recommended Preload: 10mm Recommended Oil Level: Refer to OEM shop manual A High Performance Spring has a high stiffness to mass ratio. In other words, it is light weight for a particular rate. This requires the finest materials. And, of course, you want the specific rate you’re paying for. Most...