Check out these mean Tires

[captainweezy]

Most aggressive I have ever saw in my life in that size. Bill aka atc007, I think the latest Big Red you just bought needs a set of these bad boys on it!

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=380450514036

[KI4UJO]

Those are cool. I've seen a BR with those, it looked pretty mean.

[3wheelerfan1991]

I think these look more aggressive lol http://www.pureoffroad.com/interco_black_mamba_atv_tires.htm

[just ben]

I think these look more aggressive lol http://www.pureoffroad.com/interco_black_mamba_atv_tires.htmmaybebut I havn't seen many or any trikes with 12 or 14 inch rear wheels

[dustrunner]

what a shame, there so affordable ...

[dougspcs]

And in our stock size to boot!! Giggity!! Allrriigghhtt!