A few years ago i changed the tires on the "cruiser",from the standard 750x16 split rims to 33x12.50r15 cooper discoverers, on 10 inch x15rims, in effect reducing rim size ,but maintaining the same profile . the only difference ,i noted was in the bloody tire noise,on bitumen roads. {great in sand,but}........:D :beer: MM www.coopertire.com