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Post by Deleted on Mar 3, 2015 10:42:38 GMT
Well I did the calculation and as it happens I run my tyres exactly as the calculator says they should be (gold star for me). Goo on, give it a goo and see if you've been over/under inflating. iRideabike need not bother - it doesn't go to minus pressures!  Tyre Pressure calculator |
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Post by steormy on Mar 3, 2015 11:00:10 GMT
Pretty close . It says 31 front 34 back . I run about 32 on both
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Post by hodgy on Mar 3, 2015 11:06:04 GMT
Slightly under inflated on the front at 30psi..but then this is tubeless ...while the rear has a tube in and I based the calc. on running tubes ( so probably about right )
1psi over on the rear ..I can live with that , I think ..can't I ..maybe not ..shit what do I do here ..to change or not to change that is the question ..what's OCD again ?
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Post by Nelly on Mar 3, 2015 11:14:58 GMT
I run a moderate squeeze on the front and a firm squeeze for the rear, have no idea on psi
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Post by mata on Mar 3, 2015 11:22:03 GMT
Says 32 front and 35 rear... I was usually running 35 both but upped to 50 front and 45 rear last week to see what would happen. I wiped the front out and faceplanted, I will be returning to 35ish front and rear the next time im out haha
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Post by steormy on Mar 3, 2015 11:29:40 GMT
Slightly under inflated on the front at 30psi..but then this is tubeless ...while the rear has a tube in and I based the calc. on running tubes ( so probably about right ) 1psi over on the rear ..I can live with that , I think ..can't I ..maybe not ..shit what do I do here ..to change or not to change that is the question ..what's OCD again ? I think you need some new wheels Neil |
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Post by Jimbo on Mar 3, 2015 12:32:23 GMT
I'm running slightly over inflated but due to road sections in my local loop. Pure trail stuff I am fairly close
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Post by Deleted on Mar 3, 2015 12:47:24 GMT
I run a moderate squeeze on the front and a firm squeeze for the rear, have no idea on psi Me and you are opposite ends of the spectrum. How cogger is with his compass, how I am with my to-the-psi-accurate-to-a-gnats-bollock, digital gauge |
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Post by Deleted on Mar 3, 2015 12:53:36 GMT
Slightly under inflated on the front at 30psi..but then this is tubeless ...while the rear has a tube in and I based the calc. on running tubes ( so probably about right ) 1psi over on the rear ..I can live with that , I think ..can't I ..maybe not ..shit what do I do here ..to change or not to change that is the question ..what's OCD again ? Hodgy, what you need is a batman utility trail belt like mine with one of these in the front pouch  With one of these, you will never be able to blame pressures again for your latest face plant.  |
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Post by hodgy on Mar 3, 2015 13:19:57 GMT
Liking it Pez
Maybe one each side of the belt to keep my balance ...
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Post by notsarkyadam on Mar 3, 2015 13:23:35 GMT
Pressures change for each trail regardless of a farty online chart!... I put as much in, as I feel is right!..
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Post by Deleted on Mar 3, 2015 13:44:50 GMT
You're not impressed then Sarky? Another one with pressure gauges in the ends of his fingers.  |
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Post by Deleted on Mar 3, 2015 16:02:26 GMT
My back tyre is flat again, Zulu.. I NEED TUBELESS!!!
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Post by Deleted on Mar 3, 2015 16:04:39 GMT
28psi front & 31psi rear
I didn't know that sort of pressure existed..
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Post by typer on Mar 3, 2015 16:19:43 GMT
I run a moderate squeeze on the front and a firm squeeze for the rear, have no idea on psi This 100%, couldn't care less what psi is in there as long as it feels right |
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Post by wolfenstein on Mar 3, 2015 16:48:05 GMT
bang on here as well, good find zulu  |
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Post by jgmu97 on Mar 3, 2015 17:38:31 GMT
Front is set so its soft but not so soft that i get snake bites. Had that a few times, but now know how it roughly feels when right
Rear is a little harder.
Have faffed about having the tyres rock solid when i leave my house and then letting air out when i get to the trails but cbf with pumping them up all the time so just keep them low and endure the rolling resistance!
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Post by Cheap as chips on Mar 3, 2015 19:15:22 GMT
Real men can tell with their fingers, I use that rule for more than just tyres!
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Post by hodgy on Mar 3, 2015 19:31:33 GMT
To be honest I only use a gauge when changing tyres as there is one on my track pump..for flatties on the trail it's purely by touch
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Post by Admin on Mar 3, 2015 19:46:09 GMT
I've been gettin lazy lately and just using the squeeze test
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Post by andy4d on Mar 3, 2015 20:35:58 GMT
I think its bust, said something daft like 33 front 36 rear.
36 I say....
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Post by rachelizzabeth on Mar 3, 2015 21:07:02 GMT
Pretty spot on, 25 psi up front and 27 psi up rear for our slippery Lake District tech!
Love a bit of OCD... Check before most, if not every ride, and adjust accordingly!
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Post by lowcogger on Mar 3, 2015 21:48:01 GMT
First run down the north loop descent felt a bit sketchy on the front so on the second time round i let 5 seconds worth of air out and it was perfect. How many psi i started or finished with i've no idea |
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Post by hodgy on Mar 4, 2015 7:18:54 GMT
Pretty spot on, 25 psi up front and 27 psi up rear for our slippery Lake District tech! Love a bit of OCD... Check before most, if not every ride, and adjust accordingly! Bloody hell ...you must only be about 4st 2 lb ! Lol. |
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Post by hodgy on Mar 4, 2015 7:25:32 GMT
I have just realised that I have not taken into account my kit when working this out ...so if you throw into the equation the weight of helmet ,boots , backpack ,2l of water etc that adds quite a bit of weight / psi
In the case of Lowcogger and his backpack ..probably needs to run 75 front and 95 rear!
Hahaha
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