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Wider tires have lower rolling resistence, another reason for going fat Rage on....

post #1 of 7
Thread Starter 

I had to post this up. Interesting abstract on the Schwable site on Roll Resistance.

 

The truth about rolling resistance:

 

Wide tires offer more control, more comfort and more fun. While this has become more widely accepted over the past few years Sport Scientist Peter Nilges, was not too interested, he was more concerned with speed.

 

 

http://www.schwalbetires.com/wider_faster_page

 

popcorn.gif

 

sorry for the typo in the title, I can't edit.

post #2 of 7

I ride with a 2.35 in front and a 2.1 or 2.2 in rear. Better handling espically on AZ rocks.

post #3 of 7
Thread Starter 

define 2.1 or 2.2.  is that the stated tire size, casing or tread width?  2 very different measurements. I would agree the 2.35 (whatever that is, for instance a Schwalbe Hans Dampf is a true 2.35, the same size of a Maxxis Minion 2.5) would handle well as 80-90% of the handling is dictated by the front tire

post #4 of 7

yep, lower rolling resistance, but higher aerodynamic drag.  It's a balance between the two. But as speed increases, aerodynamic drag dominates, which is why most road tires are skinny.  Of course, when you start riding with lots of rough pavement (think cobbles), a wider tire starts to be better to absorb shock, have greater traction, and is, therefore, faster.

 

Mike

post #5 of 7
Thread Starter 

yep, that's mentioned in the abstract and for mountain biking it seemed to indicate it was more effective on wider tires up to about 20kmph or about 12 mpg so for climbing or on slower sections, this would make sense.  

 

SKi-ra who posts here is an avid biker, both road and mtn, we had this discussion about 2 weeks back when he made the same argument. It started when we were discussing a new rear tire for me, I have a 2.4 X-king on my bike now and really like the wider feel but thought I should go to what most people ride (2.25) for AM CO stuff. I am now going to a 2.35 Hans Dampf in Pacestar (harder comp) and a 2.35 Trailstar in front (softer comp). It will interesting to see how it feels on climbs with beefier treads than the conti which is more of a XC tire. 

post #6 of 7

Yeah, I'm smoking everybody on my 3.8's @ 15psi!

 

 

 

 

 

 

Well, at least in the snow?

post #7 of 7
Thread Starter 

good example actually! 

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EpicSki › The Barking Bear Forums › Off-Season Sports & The Lighter Side › Cycling › Wider tires have lower rolling resistence, another reason for going fat Rage on....