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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 04-17-13, 10:13 AM   #1
Skankingbiker
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Tire pressure for gravel grinder?

wondering what the folks who do gravel grinders do for tire pressure. I will be doing a multi-day GG next week on my Nature Boy with CST Servant tires. The roads/trails range from bad to worse...lots of loose gravel.
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Old 04-17-13, 11:12 AM   #2
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Depends on your body weight and riding style, but I would start at 50 psi (for 38c CST Servant tires) and go down from there. The lower the pressure - the better traction you will have around the corners at speed.
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Old 04-17-13, 11:17 AM   #3
Skankingbiker
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I am about 200.... I am not worried about corners as this is mostly straight and flat. I am more concerned with soaking up chatter from ATV ruts.
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Old 04-17-13, 11:31 AM   #4
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Wow, chatter from ATV ruts is hard to soak up since it is so rhythmic - you can get quite a bounce going. Just run the highest volume tire that will fit. If you can swap a fork that takes a 2.1" or larger 29er tire, and run it at like 30-40psi - it will help alot. Otherwise - bring a bottle of Advil!
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Old 04-17-13, 03:52 PM   #5
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Originally Posted by Skankingbiker View Post
I am about 200.... I am not worried about corners as this is mostly straight and flat. I am more concerned with soaking up chatter from ATV ruts.
I'm also 200 lbs. I use 45 front & 60 rear on 700x40 tires.
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