About our RDM Extensions
Heavy Duty. Light Weight.
With by far the most comprehensive extension range on the market, we’ve got you tensioned no matter what style you’re looking for.
Take your choice from a winning line of Carbon and Aluminium mast extensions, in Heavy Duty (HD), PRO or PRO Stainless versions for super-efficient load distribution. All extensions are universal pin compatible - except the Aluminium US-System - and feature large-diameter pulleys for slick downhauling power and minimal friction.
Compare SDM Extensions.
Check out this matrix to compare features and help you choose the right one for your rig.