A true sport performance shock| the new 490 Sport Series Shocks feature a high-pressure monotube with deflective disc damping technology| hand threaded pre-load and rebound adjustment. This technology coupled with a linear rate spring allow riders to fine tune the damping and consistently withstand extreme temperature ranges and heavy loads. An engineered jounce bumper and cup also help smooth out and control bottoming. The 490 is ready for a hammering around the tarmac on your next race day!