Blank grizzly v2 bmx framethis all new blank grizzly v2 frame has been designed to be stronger stiffer and more responsive than its predecessor tweaked to perfection the top tube diameter has been increased from 31mm to 33mm the seat stay from 10t to 11t wall tubing and the chain stay from 11t to 12t this grizzly v2 frame provides a noticeably stiffer ride featuresmaterial 100 heat treated 4130 crmoheat treated bottom bracket head tube and drop outstapered rear seat and chain sta