DESCIPTION:

LIGHT NARROW FRAME

Great handling starts with a superior frame, and that’s one place where the CRF450R chassis puts you out front. First, it’s light—over a pound and a half lighter than the previous generation’s. By making the frame’s main spars narrow, we save weight, but more importantly we make the chassis more responsive by fine-tuning the lateral rigidity. The result is a bike that gets into, around, and out of corners faster.

NARROW SWINGARM

Designed in conjunction with the frame, by using narrower main members (just like the frame uses narrower main spars), we’ve matched the swingarm’s lateral rigidity to the rest of the chassis. What you get is a balanced, fully integrated approach to frame stiffness, letting you get around corners faster and with better feel.

LIGHTWEIGHT SUBFRAME

The CRF450R subframe is nearly three-quarters of a pound lighter than the last generation’s part. We’ve simplified its construction too.

SEALED BATTERY BOX

Three key features you should know about: The battery box sits low, for improved center of gravity. Second, it’s also easy to service. And third, it’s water-tight, so there's less to worry about when racing in wet conditions.

TUNED TRIPLE CLAMPS

The CRF450R is a perfectly matched package. With the frame and swingarm featuring an optimized lateral stiffness, and the fork legs featuring a stiff, solid-feel axle fixture, we joined the two with equally refined upper and lower triple clamps. Working in concert, they help improve and balance total rigidity, responsiveness and turning performance.

REAR SUSPENSION

The CRF450R’s frame design lets us fit a special rear shock. The shock’s valving resets fast for better response. In addition, it features a special steel spring that cuts weight without cutting performance. With the RWE, you get additional special A-Kit shock tuning and valving.

SHOWA SPRING FORK

The 49mm Showa fork features a conventional spring design that helps increase the CRF450R’s front-suspension precision, handling and feel. The spring rate provides better bottoming resistance and improved handling. Plus, on the CRF450RWE, the inner rod has a special Kashima coating, and the outer tubes feature a titanium oxide coating.

SINGLE-PIPE EXHAUST

The CRF450R uses a single-pipe header. It routes close to the center of the bike, and its light overall construction helps improve weight distribution. The single muffler uses a pressed-alloy design that lets us shape the muffler body for better rider ergonomics and lighter weight.

YOSHIMURA EXHAUST

The CRF450RWE’s exhaust is another premium item. It uses a stainless header along with a titanium midpipe and muffler made specially for us by Yoshimura. Super light and super trick, the exhaust tucks away for better ergonomics too. The CRF450R uses a single-pipe header. It routes close to the center of the bike, and its light overall construction helps improve weight distribution. The single muffler uses a pressed-alloy design that lets us shape the muffler body for better rider ergonomics and lighter weight.