Janssen Motorsports stems are constructed out of high strength 4130 chromoly steel. All stems are gusseted and fully TIG welded in all vital stress areas. All stems will include a 6061-T6 billet aluminum vibration/dampening handlebar clamp. These clamps can be ordered to handle either standard 7/8 inch bars or 1 1/8 inch fat bars. All stems come in powder coated to the color of your choice to maintain an outstanding appearance and insure smooth operation.
Janssen Motorsports stems have a standard +1 inch rise over stock as well as a +1 forward offset for 400EX applications, but can be ordered in any length and either a +0 or +1 forward offset.