There is a reason that these are mentioned together. If you change one and not the other you're going to cut about half of the life of that part out. So actually you are paying double for that part since it's going to wear out early. Chains and sprockets are designed to wear at the same rate to get maximum life.

So go ahead and change both, you'll save money and time.

Only 1,573 miles

Rebel riders agree, this bike makes you look good no matter how long you've been riding. It's an entry-level bike, sure, but it boasts big-bike styling with its timeless cruiser looks and nifty chrome highlights. Its reliable 234 cubic centimeter four-stroke twin delivers smooth power, and its five-speed transmission is a no-brainer to shift. Why pay more for a lesser bike? The Rebel's sticker price is as unbelievable as its outstanding fuel economy — proof positive it's a Honda.

Just 3,393 miles

If 2007 gave any clue, the CBR®600RR has only just begun to write its legacy in the annals of 600-class performance. Crowned the Best Middleweight of 2007 by both Cycle World and Rider magazines, the CBR600RR oozes MotoGP-bred tech. Dual Stage Fuel Injection, Pro-Link® rear suspension, HESD electronic steering damper, wicked new colors for 2008 there's no other 600 like it. And there never will be.

Only 3,131 miles

With a heritage stretching back to Imola 1972, when Paul Smart launched the modern big-twin Ducati dynasty, the Supersport carries on this segment's racing tradition. Light and agile, the Supersport combines quick handling with the smoothness of a fuel-injected, air-cooled, Ducati V-twin engine. It's an ideal combination of performance, handling, and exhilaration, mixing avant-garde and classical styling by Ducati's Pierre Terblanche.