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Would the tyre profile make THAT much of a difference?

  • 07-04-2012 4:36pm
    #1
    Please Kill Me
    Closed Accounts Posts: 3,340 ✭✭✭


    I've been using Michelin Pilot Road 2 for the last three years on the bike. I love them, great tyre. Last week, a buddy of mine gave me a pair of Bridgestone BT-003r for nothing so I got them put on the other day. The rear as standard is a 190 50 17 but the tyre I got put on is a 190 55 17. There is about a mm or two clearance between the tyre and the hugger now, but it seems ok. To anyone's knowledge, will this cause any problems?


Comments

  • #2
    CJhaughey
    Registered Users, Registered Users 2 Posts: 14,907 ✭✭✭✭CJhaughey


    There is 10mm of a difference between the two tyre profiles.
    55% of 190 = 85.5
    50% of 190 = 95
    It will raise your gearing but more importantly at speed the tyre will grow due to centrifugal force, just be sure that the clearance is enough at high speed so the tyre doesn't touch the hugger and cause a blowout, which would be a bad thing.


  • #3
    Please Kill Me
    Closed Accounts Posts: 3,340 ✭✭✭Please Kill Me


    CJhaughey wrote: »
    There is 10mm of a difference between the two tyre profiles.
    55% of 190 = 85.5
    50% of 190 = 95
    It will raise your gearing but more importantly at speed the tyre will grow due to centrifugal force, just be sure that the clearance is enough at high speed so the tyre doesn't touch the hugger and cause a blowout, which would be a bad thing.

    Jaysus, I never even thought of that. I may just have to take the hugger off, or see is there some way of raising it off the tyre. Cheers.


  • #4
    Wossack
    Registered Users, Registered Users 2 Posts: 7,044 ✭✭✭Wossack


    can scrub off the swingarm too, depending on the bike


  • #5
    Steffano2002
    Registered Users, Registered Users 2 Posts: 5,918 ✭✭✭Steffano2002


    Wossack wrote: »
    can scrub off the swingarm too, depending on the bike
    Wrong tyre for the bike if it's doing that though...


  • #6
    Please Kill Me
    Closed Accounts Posts: 3,340 ✭✭✭Please Kill Me


    Wossack wrote: »
    can scrub off the swingarm too, depending on the bike

    Nah, it's not even close. A 190 came off and a 190 back on, it's only the profile that's different. I'll be out and about tomorrow so I'll have a better chance to see.


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  • #7
    Please Kill Me
    Closed Accounts Posts: 3,340 ✭✭✭Please Kill Me


    Just an update on this. The tyres are fantastic as tyres go. Nice quick turn in, grippy too. BUT....absolutely no good in cold or damp conditions which I found out the hard way, but then again, they ARE a racing tyre.

    As for clearance etc, it is REALLY close to the rear hugger, but nothing rubbing thankfully.

    Cheers for comments etc.


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