tyre size

[hocko]

I have a cb750k with 120/90/18 rear on comstar wheels.Does any one use a differnet size? if so what size.  Thanks Hocko  (uk)

[Re-run]

If you have a comstar, then either a different rim was put on of you actually have an F. THE 69-76 k bikes used the size rim and tire but were all spokes. The 77/78 K bikes used a 17 inch rim and commonly use a 130/90-17. The 77/78 F used comstars.

[rm56]

Michelin Macadams front 3.25 19 rear 4.00 18 The size reads in metric but fit and work fine.