Fly Sierra 3 FrameAfter another amazing year for Sergio Layos, Fly have only made a few small changes to make his signature frame even better. Sergio has decided to make the move back to a 75 head tube angle, The frame features internal and external gussets, multi butted and tapered tubing, an Investment Cast seat post clamp with the Horizontal Cut System, removable EBS style brake mounts and Investment Cast Dropouts with integrated chain tensioners! ###section###