Hyperpro Progressive Springs YAMAHA TRACER 900 (2015–2016) Choose your Progressive springs::Progressive Spring SET Black precise tuning of the engine

precise tuning of the engine can be achieved without AFR reading disturbances

ZX-400RR 2023

Yamaha YZ250 2005-2022

YZF R6 (1999-2016)

Hyperpro Progressive Springs YAMAHA TRACER 900 (2015–2016) Choose your Progressive springs::Progressive Spring SET Black precise tuning of the engineHyperpro Progressive Springs for YAMAHA TRACER 900 (20152016) A progressive spring profile for YAMAHA TRACER 900, combining a smoother initial movement with added support as loads increase. Fitment: YAMAHA TRACER 900 (20152016). 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