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Are my road tires directional?(4 posts)

Are my road tires directional?Bob in Indiana
Apr 17, 2001 5:52 PM
I have Contenintal Grand Prix 3000 Road Tires (stock on my "new" 1999 TREK 5200) that appear directional, similar to the "Gatorback" tread pattern common on sports/exotic cars...

Are these tires directional? There are no rotation direction arrows on them, but they definitely have a distinct tread pattern.

Right now the bright yellow labels are on opposite sides of the tires, but the tires or tubes may have been changed at some point.

Sorry if above post should be in "components".I'm new here. eomBob...again
Apr 17, 2001 5:54 PM
re: Are my road tires directional?DrD
Apr 17, 2001 6:02 PM
With road tires, the contact patch is small enough that the tread really doesn't matter - in fact, many of the tires out there are slicks, with no tread at all.

As far as orientation, the label generally goes on the drive side of the bike. In addition, many people align the label with the valve stem - it makes it easier to track down whatever it was that gave you a flat while you are sitting on the side of the road.

With MTB tires, there are many which do have a preferred orientation - there is generally an arrow indicating which way the tire goes (some tires even have one orientation if used on the front, and the other if on the back)
mtb arrowsBreck
Apr 18, 2001 9:19 AM
As you may know, originally mtb tire arrows were put on the tire by Ritchey, etc. to keep the mud off your back just in case you rode in those conditions, even though most did not. MTBers started eperimenting with tread direction patterns front & rear regards climbing traction, braking in loose sandy/ gravelly trails, etc. Some MTB tire mfg.'s then caught on and made more front and rear specific tread patterns, etc. regardless of mud throwing.

Continental used to publish good brochures regards their tires, tread make-up, applications, etc., as all Bike Specific companies did. Now with the website being popular, it is difficult at times to get all the data you search for in any field such as climbing, biking, etc. as those sources drop their cats. Example being early Yvonne Chouinard climbing gear cat.'s ( Ventura, Ca.) and bike-related Pedal Pusher cat. ( Santa Rosa, Cal.). These were bibles of the trade with their in-depth profiles of gear and application in their time.