The Bontrager Comp Stem is a Blendr-ready, 31.8 stem at home on road, city and mountain bikes. The Bontrager Comp 31.8 Stem is Blendr ready and provides a secure and confident connection to 31.8 handlebars.Bontrager Comp Stem Features6061-T6 cast body construction4-bolt dual band clamp retains stiffness and reduces weightAn opposing 2-bolt steerer tube clamp with M5 corrosion-resistant steel boltsBlendr-ready for seamless accessory integrationCompatible with Blendr Elite bases and Blendr mountsSuitable for use on road, city or mountain bikesSafe for use on carbon steerer tubes and handlebarsBontrager Comp Stem SpecificationsSize7 deg. x 60mm7 deg. x 70mm7 deg. x 80mm7 deg. x 90mm7 deg. x 100mmRise7 deg ... More info