Yes I was thinking a Avon Venom 100/90-19 witch is 26.1 inches diameter.

Thanks

'06 SM with T100/America Wheels (D&D's, 10.5 to 1 Wiseco pistons, TTP Igniter +3, K&N PODS, 150 x 40, FZ1 springs & TBS needles w/3 shims)