http://traxms.com/ITP_SS212Plat_15x7-p-ATVProducts_Wheels_Utility_ITPSS212PLAT.html
http://traxms.com/STI_15HD2_15x7_-p-ATVProducts_Wheels_Utility_STI_HD2.html
http://cocomponents.com/dealer/portfolio/m15-crusher-atv-wheel/
Pick your poison...
Okay, Who has time for links..?
ITP SS212: 15"x7" 4x137mm b/p 15# 5"b/s 115-130$ ea
STI HD2: 15"x7" 4x137mm b/p 15# 5"b/s 105-120$ ea
M15 Rock Crusher: 15"x7" 4x137mm b/p 15# 4.375b/s 120$ ea @ Amazon with free shipping.