Hyperpro Progressive Springs YAMAHA YZF-R1 (2002–2003) Rearsets Constant damping performance thanks to

Constant damping performance thanks to WP CONE VALVE Technology

the ergonomic riding angle improves driveability of the bike in racing conditions

clutch case saver are easy to install

By replacing the original rubber hoses with our complete system you will remove this sponginess and your braking will deliver new levels of precision

Hyperpro Streetbox for KAWASAKI Z750 (2004–2006) is built to improve support and comfort together—rear shock plus progressive springs tuned to work as a set

Hyperpro Progressive Springs YAMAHA YZF-R1 (2002–2003) Rearsets Constant damping performance thanks toHyperpro Progressive Springs for YAMAHA YZF R1 (20022003) Designed for YAMAHA YZF R1 riders who want comfort on rough surfaces but more resistance when the pace picks upprogressive rate through the stroke. Fitment: YAMAHA YZF R1 (20022003). Progressive rate: comfort first, support later Reduces dive and wallow compared with worn OEM springs Improves stability with passenger, luggage, or aggressive riding Quality spring material and repeatable