Tyre pressures, Michelin Pilot Activ, RGS

Fair enough, the nice man at Michelin doesn't know what you're going to use his tyre for.
The RGS manual suggests 31psi front, 34psi rear for solo, and 34 front, 37 rear for two up. Those pressures are working well for me and you don't normally have to deviate from those guidelines with different tyres. Start with that and see how it feels.
 
Andy said:
  Fair enough, the nice man at Michelin doesn't know what you're going to use his tyre for.
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Strange then, how Bridgestone, Avon (and I dunno who else ...)  manage it ok ...  :-*.  And yes, both Bridgestone and Avon recommendations DO deviate from the original spec for Pirelli Phantoms, especially Bridgestone: 36/42 (solo) for BT45s, 33/36 (solo) for Roadriders.

But thanks for your thoughts.
 
SimonR501 said:
The Pilot Activs have got quite a stiff side wall, I have lowered my pressures a psi or two from standard (Jota 120).
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Ta Simon.  The original Pirelli Phantom spec is already quite low to what I've been used to running with BT45s and Roadriders (see post above!), hence my query ...
 
Rob said:
I use 33/36 F/R (solo) to good effect - tyre technology has moved on since the heady days of Phantoms.  Thank goodness!
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Ta Rob - sounds good.

And +1 to progress in tyre technology  ;).  Haven't been far yet, but these Michelins seem pretty good ...
 
Ventodue said:
Strange then, how Bridgestone, Avon (and I dunno who else ...)  manage it ok ...  :-*.  And yes, both Bridgestone and Avon recommendations DO deviate from the original spec for Pirelli Phantoms, especially Bridgestone: 36/42 (solo) for BT45s, 33/36 (solo) for Roadriders.

But thanks for your thoughts.
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Wow that's super hard with those BT45s, what does that do to your ride comfort?
 
I ride the BT45 at 36/42 psi on the 3C, no issues with riding comfort since I sorted out the suspensions. ;) When used at lower pressure than 36 psi,  the BT45 front seems to become unuseable quite quickly by building up a nasty saw tooth pattern at the edges.
 
I agree with members take on tire pressure with BT Bridgestones. Perhaps a Lb or two lower for a SF compared to a triple.

If you find it too hard just use a lighter Fork Oil and lessen the rear spring a notch with Cerraini tubes.

I surely miss the old Perrili Pantoms Radion Belted radials but them BT's are descent..
 
An update on this, just in case someone might be interested in the future ...  ;)

After 7,000 km, I can confirm Rob's excellent advice  :): 33/36 works well.

P.s Am very happy with the tyres.  Good grip, wet and dry, and better life than BT 45s.
 
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