S&M 24" ATF Frame24" version of the ATF bmx frame from S&M. This is the base model of all of S&M's lastest signature frames. The ATF (Alcohol, tobacco and firearms) uses S&M's standard heat treated supertherm tube set with a tapered and butted top tube for extra strength, dent resistant down tube, tapered rear stays with massive rear tire clearance and heat treated micro dropouts. ###section### Product Specs MATERIAL: Chromoly HEAD TUBE ANGLE: 75 SEAT TUBE ANGLE: 71