Boyesen Power Reed Dualstage Yamaha Yz250 90-96 GPX 4.5 Enduro tyre for soft and

Enduro tyre for soft and mixed terrain

SDH pin treatment creates an extremely hard chromium carbide layer on the pin’s surface

EX450F 21-22

125-300 SX 04-25

Boyesen Power Reed Dualstage Yamaha Yz250 90-96 GPX 4.5 Enduro tyre for soft andOne reed petal is NOT enough! Boyesen's revolutionary dual stage reed design delivers more usable power than stock. Stock single stage reeds operate most effectively within a relatively narrow RPM range and are limited because of the single stage design. Boyesen's one soft reed on top of one firm flow through reed gives you a wide range of intake control, plus increased intake velocity. Your original reeds can't possibly duplicate that performance.