What set the Proton apart from the Neutron are a 100% CrMo frame

HEADTUBE ANGLE: 73°

If you're just starting out in BMX or you're ready for your first full sized complete the Sono is a great place to start

tapered and specially formulated for improved grind and guard clearance

Profile Column 22mm Crankset Size:160mm What set the Proton apartThe Profile Column Cranks were built and designed to handle the most demanding street BMX riding. They feature a brand new arm design which is beefier and stronger than the regular Profile Race Cranks, with an upgraded ultra hollow 22mm heat treated spindle reducing weight without sacrificing strength. Made from the finest 4130 chromoly and hand made in the USA, the Profile Column Cranks are built tough. ###section### Product Specs Crank Type: 3 Piece