Jehosefat Posted February 13, 2020 Share https://blog.silca.cc/part-4b-rolling-resistance-and-impedance Long Wheel Base and Schnavel 2 Link to comment Share on other sites More sharing options...
Schnavel Posted February 13, 2020 Share https://blog.silca.cc/part-4b-rolling-resistance-and-impedance Interesting! Thanks for sharing Link to comment Share on other sites More sharing options...
Long Wheel Base Posted February 13, 2020 Share https://blog.silca.cc/part-4b-rolling-resistance-and-impedanceThat is way too higher grade for me. Link to comment Share on other sites More sharing options...
Jehosefat Posted February 13, 2020 Share That is way too higher grade for me. Basically higher pressures have lower rolling resistance up to a point beyond which resistance increases dramatically as pressure gets higher. The pressure that this point occurs at is largely dependent on how smooth the road surface is. Rougher road > the point occurs at a lower pressure, smoother road > the point occurs at a higher pressure. Since the resistance increases far more dramatically above the sweet spot than it decreases below the sweet spot, the recommendation is to rather err on the side of lower pressures. HdB, NicholasT, Long Wheel Base and 1 other 4 Link to comment Share on other sites More sharing options...
lechatnoir Posted February 13, 2020 Share GP5000 28c with Ryder sealant84kgfront - 65psi, rear 70psi Link to comment Share on other sites More sharing options...
Frosty Posted February 13, 2020 Share all this talk of rolling resistance of fatter lower pressure tyres, has there been any studies that look at the aerodynamic pros/cons of running fatter rubber ?Link to these studies, please? Keen to read them.Scroll up to the YouTube link I posted. Alex explains the factors involved, eg. Pressure, width, aerodynamics, and more. Edit: Posts 45 and 46. Edited February 13, 2020 by Frosty Long Wheel Base 1 Link to comment Share on other sites More sharing options...
samuel america Posted February 13, 2020 Share I prefer tubeless setup. Less punctures and it's faster. Conti's are the best.Anyone using Giant's gavia race 1 tubeless tyres? Link to comment Share on other sites More sharing options...
The Ouzo Posted February 13, 2020 Share I prefer tubeless setup. Less punctures and it's faster. Conti's are the best.Anyone using Giant's gavia race 1 tubeless tyres?I had the race 2 on my bike. Can’t say I was overly impressed. In the 1700km I did with them I picked up a small cut in the rear that I could not get sealed no matter what I tried. They did not give me much confidence in cornering and braking. I’ve only done 55km on the replacement tyres but they already feel much better. samuel america 1 Link to comment Share on other sites More sharing options...
Underachiever Posted February 13, 2020 Share Training:- Conti sport or something 25mm: 5.5-6.5 Bar (tube) Racing:- Schwalbe Ultremo 23mm: 7.5-8 Bar depending on road surface (tube) or- Conti tubbies 23mm: 8 Bar 75-78kg Link to comment Share on other sites More sharing options...
Pusher Posted February 13, 2020 Share 25mm GatorskinFront 5.5 BarRear 6 Bar Link to comment Share on other sites More sharing options...
HdB Posted February 19, 2020 Share That is way too higher grade for me.Here is another interesting article on rolling resistance and impedance:https://flocycling.com/blogs/blog/understanding-rolling-resistance-impedance-for-cyclists Link to comment Share on other sites More sharing options...
Pikey Posted February 19, 2020 Share 1- Panaracer gravelking 32c ( tubeless) 5.2 bar rear 5.0 bar front 2- schwalbe pro one 28c ( tubeless) 5.5 bar rear 4.8 bar front 3- Gravel bike - specialized sawtooth 42c ( tubeless) - 2.7 bar front 3.4 bar back specialized trigger pro 38c- ( tubeless) 3.2 bar front 3.8 bar back Only use stans race sealant....can not recommend it highly enough . Seems to last forever and sealed every cut for the last 12 months ,all but a side gash from glass on a new tyre. 79kg Edited February 19, 2020 by Pikey Link to comment Share on other sites More sharing options...
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