S&M 18" ATF Frame Props The Shadow Optimized freecoaster is

The Shadow Optimized freecoaster is much more than the next step in Shadow hub design

It's built from Hi-ten steel throughout the frame

HEADSET: INTEGRATED

The Box Disc Brake Adapter is designed to help improve braking control on frames where disc brakes were not standard

It's built with chromoly construction throughout the frame

S&M 18" ATF Frame Props The Shadow Optimized freecoaster isS&M's ATF Frame is available in a lot of different variations, this is the 18" version of the ATF that downsizes that classic style making it more accessible than ever. 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