Manitou magnum pro forks 15mmmanitous magnum pro forks are strong durable and performance ready featuring iva air volume system separate high and low speed compression damping circuits and hydraulic bottom out adjustment these magnum mtb forks provide a versatile package downhill performance thats neatly wrapped in a trail oriented package the iva system changes the air spring volume without the need to add or remove spacers a timesaving addition coming with 100mm travel these mtb