Stages’ Over the Stem Mount orients Dash over a rider’s stem and accommodates the use of 31.8mm and 35mm handlebars.Dash is placed at -35mm from bar center and will work with stem lengths from 35mm and up. The Over the Stem Mount clamps on the left side of the stem for compatibility with Shimano’s Di2 System Information Display. This is Dash’s most universal mount and also ideal mount for mountain bikes.SpecificationsMaterial: Aluminum,Weight: 63gr,View: Allows landscape as well as portrait views,Handlebar compatibility: 31.8mm, 35mm,Use: Road, Cyclocross, MTB XC.