2017 Honda CRF? 450RX THE ULTIMATE OFF-ROAD WEAPON. When it comes to motocross our new 2017 CRF450R is huge news this year. But in the enduro hare scrambles and GNCC world there? s even bigger news: Introducing the new 2017 Honda CRF450RX the ultimate weapon for serious off-road competitors. At its core we? ve taken our new CRF450R and optimized it for off-road racing. And not with just some new tires or graphics. We? ve done it the Honda way? the right way. And the results are well electrifying. Motorcycles Competition/Off Road DX321244248900600032 DX1