biggs682
Itching to get back on my bike's
- Location
- Northamptonshire
i was also told tyre pressures are meant to be checked at normal conditions and certainly not warm or hot
Tyre pressures and the cold
- Thread starter chris-s
- Start date
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Thanks for the replies. Fortunately it didn't go bang and I had a good lunchtime ride out on it yesterday and today, tho since I don't have any front lights I can't ride it home in the dark so leave it in the office during the week and I'd forgot to put some decent shoes in my back pack so had to walk home in my office slippers (bike shoes are clipless), fortunately only a mile and it was dark and dry!
Chris
Chris
oldroadman
Veteran
- Location
- Ubique
A question - what on earth are you doing pushing 120psi into tyres on a chilly (and possibly frosty) morning?
No real need to go above 7 atmospheres or even a little lower, ride 23c and have a comfortable but still brisk ride. Here's an example, from a team I know well. In a Tour Series crit one rider came into the pits complaining of sliding and assuming a rear slow puncture. Tyre bone hard, surface a little dusty in places, 9 bar (about 134psi). No wonder it slid! Could not have a lap out (not a breakdown, poor prep!) and thus retired. The DS went mad, having told the team to keep to 7 bar (about 100psi), because of the dust. So I reckon for an ordinary brisk ride 100 is more than anough - in my race days the training group often used 23/25c tubs with 6.5 - 7 bar maximum, only going up a bit if the weather was nice and roads clean, and this was in a warmer place than the UK!
Just remember, keep the round things underneath, and don't pump 'em too hard unless it's track or TT.
No real need to go above 7 atmospheres or even a little lower, ride 23c and have a comfortable but still brisk ride. Here's an example, from a team I know well. In a Tour Series crit one rider came into the pits complaining of sliding and assuming a rear slow puncture. Tyre bone hard, surface a little dusty in places, 9 bar (about 134psi). No wonder it slid! Could not have a lap out (not a breakdown, poor prep!) and thus retired. The DS went mad, having told the team to keep to 7 bar (about 100psi), because of the dust. So I reckon for an ordinary brisk ride 100 is more than anough - in my race days the training group often used 23/25c tubs with 6.5 - 7 bar maximum, only going up a bit if the weather was nice and roads clean, and this was in a warmer place than the UK!
Just remember, keep the round things underneath, and don't pump 'em too hard unless it's track or TT.