Hyperpro Progressive Springs SUZUKI GSX-R 600 (2001–2003) Choose your Progressive springs::Progressive Spring SET Purple SPEED FOUR (2005-2006)

SPEED FOUR (2005-2006)

Designed for YAMAHA MT-03 riders who want comfort on rough surfaces but more resistance when the pace picks up—progressive rate through the stroke

KTM 300 EXC six days 2017-2021

VFR800 CROSSRUNNER (2017+)

Hyperpro Progressive Springs SUZUKI GSX-R 600 (2001–2003) Choose your Progressive springs::Progressive Spring SET Purple SPEED FOUR (2005-2006)Hyperpro Progressive Springs for SUZUKI GSX R 600 (20012003) A progressive spring profile for SUZUKI GSX R 600, combining a smoother initial movement with added support as loads increase. Fitment: SUZUKI GSX R 600 (20012003). 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 tolerances Recommended