Una dapat alam mo yung total weight (ikaw full gear+expect backride full gear+motor+etc).. 50%stock:50% stiff spring (endi siya masyado aggressive sa torque o yung hila) full stiff (expect aggressive yung hila kung bagohan kapalang wag broom broom to the moon) o custom ratio recommended ng mechanic na may alam talaga, weight bola( depedi sa total weight ratio... Pa advise ka sa mga veteran na mechanic na maay alam talaga)