Hyperpro Progressive Springs DUCATI MONSTER 821 Dark (2015–2021) Choose your Progressive springs::Progressive Rear Spring Black Rear Set Kawasaki ZX-10R (2004-2005)

Rear Set Kawasaki ZX-10R (2004-2005)

Replacement spring set engineered for FORK YAMAHA YZF-R1 to restore suspension control and improve ride consistency

ER-5 (2004-2005)

Hyperpro Lowering Springs for HONDA XL 700V Transalp (2008–2011)

Crash protectors TRACER 700 2016 - 2022

Hyperpro Progressive Springs DUCATI MONSTER 821 Dark (2015–2021) Choose your Progressive springs::Progressive Rear Spring Black Rear Set Kawasaki ZX-10R (2004-2005)Hyperpro Progressive Springs for DUCATI MONSTER 821 Dark (20152021) A progressive spring profile for DUCATI MONSTER 821 Dark, combining a smoother initial movement with added support as loads increase. Fitment: DUCATI MONSTER 821 Dark (20152021). 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