SOHC.co.uk Forums > CB750

3 inch rear rim

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r1_pete:
I'm thinking of going for a 3" x 18 rear rim on my F2, its running an F1 Spoked rim.

Has anyone used a 3" rim on any CB750? if so what tyre size have you gone with, I'm looking at 120 80, or 130 70?

Cheers.

Pete

K2-K6:
I don't know if this is any help Pete, I've got a CBX750 that runs a 3.0inch rear rim as standard with a 130/80 tyre fitted. Currently a Bridgstone BT45 and it measures 129mm across the shoulders (widest point) when fitted/inflated.

Closest point of contact is the shoulder to chain-guard or chain run, may help you have a measure on your F1 fitment.

r1_pete:
Cheers, I'll have a measure up, I've bought a 3" rim, but have a little lateral movement on the spokes.

LesterPiglet:
I dunno about the rim but I have a 130/80 on my 550.

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