RE: [ST] Tire Pressure (was Cupping)

[david.funk@xxxxxxxxxxx]

As a rule of thumb for tire pressure you would like about a 15% increase in pressure when fully up to temperture. Any where from 10% to 20% should be ok. So measure pressure, go for a good ride, stop and messure pressure as quick as possible. If you have more to much increase, add air.

David W. Funk
'00 Sprint ST
Pleasanton, CA

-------------- Original message -------------- 

> I read all the stuff last year/ this year posted on the list on tire pressures, 
> then went and had a discussion with the local bike tire fitment place. 
> 
> I'm still confused by the mixed signals: 
> 
> They were insistent on not under inflating the tire for a 199kg bike, which they 
> reckon is 250 kg/cm (36psi) front, and 280 kg/cm (40psi) for the rear. 
> 
> I'm currently running my tires on 240 (34) front and 280 (38) rear, up from 
> 230/250. 
> 
> I cant decide if I should up that to 250/280 or not. 
> 
> 
> cheers 
> 
> Marc. 
> 
> 
> 
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