If you've spotted a nice motorcycle, whether at your local dealer, an online marketplace, or through a forum, one of the first checks you should perform is verifying the VIN. A VIN (Vehicle ...

Cognito Motorsports is offering a new aftermarket solution for units of the Chevy Silverado HD and GMC Sierra HD with prematurely worn-out pitman and idler arms. As Cognito points out, this issue can ...

Recognize this putz? He just charged you good money for a bad alignment. Or maybe he didn't do anything at all. While modern equipment is fantastic, good alignment mechanics are hard to find. So what ...

Low tire tread depth can be a safety issue. When the road is wet, low tread depth can cause the tire to hydroplane, or skim across the surface of the water, which can make you lose control. You also ...

Loose, tight, or worn steering head bearings are going to impact your bike’s steering and handling, and NOT in a good way. Thankfully, checking and adjusting steering-head bearings is pretty easy.

Front suspension on a motorcycle has always been a matter of compromise. Telescopic forks have stuck around for nearly a hundred years because they're the least bad solution we've found so far - but ...

Fifty years ago, the original muscle car wars were just beginning to heat up. Back then, suspension components did little to aid in any type of performance. Factory suspension components for just ...

Measuring and adjusting rider sag are the first steps in setting up any bike's suspension. Bringing rider sag into the proper range (typically 30 to 40mm, front and rear) will place your bike's ride ...

For black-magic mystery, front-end alignment is right up there with air conditioning, starter-motor or alternator rebuilding, fuel injection, carburetor tuning, and automatic-transmission overhauls.

We always try to think of the elements of a good, winning setup in terms of priority. It saves time and energy to put the most important items at the top of the list and work on them first. In Circle ...