http://citycyclingedinburgh.info/bbpress/ CityCyclingEdinburgh Forum » Topic: GP4000s (race tyre) review / sale en Sun, 19 Apr 2026 05:44:47 +0000 http://citycyclingedinburgh.info/bbpress/topic.php?id=9731#post-105141 Wed, 20 Mar 2013 09:29:38 +0000 Dave 105141@http://citycyclingedinburgh.info/bbpress/ <p>I'm not sure anyone has ever measured the Crr of the Marathon Winter... for what it's worth, a quick google finds the normal Marathon tyre in 32mm quoted around 0.00474 (but be careful, I'm not sure measurements taken by different people can be directly compared). 0.00537 for Panaracer Tour Guard.</p> <p>0.00474 against 0.00284 is 0.2% gradient, but I'd have thought the deeper tread and studs made the Marathon Winter much slower than the road version. </p> http://citycyclingedinburgh.info/bbpress/topic.php?id=9731#post-105132 Wed, 20 Mar 2013 08:56:22 +0000 DaveC 105132@http://citycyclingedinburgh.info/bbpress/ <p>You could do, I could see how steep a hill I have to climb. </p> http://citycyclingedinburgh.info/bbpress/topic.php?id=9731#post-105123 Tue, 19 Mar 2013 23:15:51 +0000 Dave 105123@http://citycyclingedinburgh.info/bbpress/ <p>Just be glad I didn't compare it to the Marathon Winters... :) </p> http://citycyclingedinburgh.info/bbpress/topic.php?id=9731#post-105112 Tue, 19 Mar 2013 22:08:16 +0000 DaveC 105112@http://citycyclingedinburgh.info/bbpress/ <p>Read the article its great.</p> <p>"The Continental Competition tubular is so much slower than the Grand Prix 4000s that it’s the equivalent of riding up [edit] hill [/edit] – all the time.</p> <p>;o) </p> http://citycyclingedinburgh.info/bbpress/topic.php?id=9731#post-105082 Tue, 19 Mar 2013 18:37:25 +0000 Dave 105082@http://citycyclingedinburgh.info/bbpress/ <p>I'm never sure whether this sort of thing is really of much interest to the clientele of CCE... but our favourite mail order store are doing a pretty good deal on Continental GP4000s tyres just now, which finally prompted me to finish writing my review of them:</p> <p><a href="http://mccraw.co.uk/continental-gp4000s-review/" rel="nofollow">http://mccraw.co.uk/continental-gp4000s-review/</a></p> <p><img src="http://cdn.mccraw.co.uk/wp-content/uploads/2013/03/gp4000s-feat-632x350.jpg"></p> <p>A nice choice for anyone looking for audax tyres for instance. I'm experimenting with Ultremos, but have GP4000s to fall back on.</p> <p>(Cue "how do you know you have too many bikes / tyres..." etc) </p>