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Old 19-Jul-2005, 09:26 PM
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chris.p chris.p is offline
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748 Fitment size

Due to a cock up on tyres I have been offered a set of K2 Racetechs as used by the Superstock Cup boys. the size is 120/70 front & 190/50 rear, the rear is said to be more like a 185 than a 190 & most of the 600 supersport boys are now using them, so they will easly fit the 5.50 rear rim of my 748.
Question is, has any one on a 748 used this size of tyres? & how did they get on with them???


Chris.

[Edited on 19-7-2005 by chris.p]
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Old 19-Jul-2005, 11:13 PM
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keefer keefer is offline
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no I use a 190/55
but then I have a six inch rim.
give it a go and see how it feels
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Old 26-Jul-2005, 09:11 AM
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chris.p chris.p is offline
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Yep it was a 190/55, not a 190/50. Had no problems apart from the fact that I had to muscle the bike into a lot of the tighter corners, so not the best fitment for a 748, worst places being the Chicane, bottem of the mountain(the left to right change of direction) & Hall bends.



Chris.
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Old 26-Jul-2005, 10:25 AM
berto berto is offline
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190's designed to be used on 6" rims not the 5.5's of a 748 whoever recommended that tyre is an ******** cos the 748 doesn't need a bigger tyre with the power it puts out!!
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Old 16-Sep-2005, 11:27 PM
rob jones rob jones is offline
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Dude keep with the standard fitment of a 120 70 17 front 180 55 17 rear or you will completely mess the handling up . a 190 on a 5.5 rim gives a smaller contact patch than a 180 plus it will make it slower to turn in. try the 190 if you like but it will make you loose confidence in your handling.
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Old 17-Sep-2005, 09:11 AM
butch890 butch890 is offline
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i thought stanard front fitment on the 748 was 120/60
Butch
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Old 17-Sep-2005, 10:59 AM
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keefer keefer is offline
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Mood: Found a CR250. Let the bone braking begin
it is but 120/70 is better
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Old 17-Sep-2005, 10:59 AM
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Brent Brent is offline
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120/60 is the standard fitment, but many people find that the 120/70 (including me) works better for them.
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Old 06-Oct-2005, 10:38 PM
Mike Davis Mike Davis is offline
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a 190 on a 5.5 rim will give greater contact patch at maximum lean, thats why the supersport guys use them. It makes an egg shape because its squeezed on to a smaller rim, less stability in a straight line but a larger contact patch at full lean. useless on the road however as it helps the bike drop on its side quicker making it feel unstable at lesser angles of lean.
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