The stem has a wider clamping area that enhances bar stability, and its compact size complements modern mountain bike geometry. For confidence-inspiring riding whatever riding-level you are at, choose a DMR Defy stem every time.The Defy50 comes with an internal clamping designthis creates a super-clean look and a rounded-out back endif youve ever banged your knees on your stem bolts, youll thank us for the unique design here that tucks everything out of the way.The Defy 50 stem comes in two clamp sizesselect Defy 50 for the option with a 31.8mm handlebar clamp diameter, while the Defy 50+ stem comes with a 35mm bar clamp diameter.VB stands for Vapour Blastour exclusive new process which creates an ultra-smooth matte finish, and available in Black, Silver, and Bronze.FeaturesUpper case boldsentence case phraseBuilt toughcnc 6061 aluminiumBuilt right50mm reach, great for all bikesBuilt tallerraises your bars 5mm, for extra confidenceInternal clampclean design