I have avon venoms front and back on my speedmaster. awesome tires, very sticky. better in the rain than the ME 880 or the OEM lazertecs.
Can say as to the mileage they will go as I just put them on this spring.

05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter