Bram_on_Madone Posted December 25, 2009 Share BTW Weight Weenie - tyre liners don't work well on a road bike. The tyre is too narrow and the pressure causes the tubes to tear. Link to comment Share on other sites More sharing options...
skaduwee Posted December 25, 2009 Share I use the GP 4000S and they are definitely better than the gator skins.? If you keep them at 120psi they don't seem to struggle much with glass and are also a lot easier to put on than the gator skins' date=' as well as seeming to be faster (or at least smoother).[/quote'] 120 psi you for real.. that's like 8 bar. I pump up my 4000S to 90psi or 6 bar. it gets really prone to cuts above 6. I thought i was gone be smart and pump it up to 7 on the the centurion cycle challenge and i had a flat tire the first 5km. I'm really disappointed the GP 4000S. I use Vredestein Ricorso as may training tires and i do many miles on them. Most resistant tire ive ever owned. This entire year i only had 1 puncture on them. With the GP4000S only after 2 weeks of having them i had a puncture and they are full of cuts. Link to comment Share on other sites More sharing options...
Bram_on_Madone Posted December 29, 2009 Share 8 bar definitely works for me and still happy with my 4000s's, but I've only done about a 1000km on them now, but they still look like new.I guess bad luck also plays a role in forming our impressions about specific tyres... Link to comment Share on other sites More sharing options...
Eldron Posted December 29, 2009 Share Don't forget to put a gator in your tubby bag for when the glass slices through your tyre.I use old Liquifruit boxes - the plastic covered foil is water proof and will prop up a cut so you can get home... Link to comment Share on other sites More sharing options...
firewolf Posted December 29, 2009 Share i also pump my 4000's to 8bar. super smooth and durable but do give a strange "falling away" feeling when cornering at high speed on descents. In wet weather I drop em down to 7bar and still ok. not the most expensive tyre but also not the cheapest. Best to get a good, long lasting but rel. cheaper training tyre. ANy extra weight then just means racing set up feels super light. Link to comment Share on other sites More sharing options...
Bram_on_Madone Posted December 29, 2009 Share I agree about the "falling away" effect - it makes me a little jittery sometimes! Link to comment Share on other sites More sharing options...
firewolf Posted December 30, 2009 Share I would like to actually ride like a zipp 404 tubbie or an easton or a hed or a lightweight or any of the tubbies that the pro's ride just to get a realtime feel for what they actually feal like...?!? I.E. r they viable for us normal, financially not sponsered, riders. Link to comment Share on other sites More sharing options...
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