RecMount Plus Mount requires separate Compatible with for bicycles Out-Front [R+Bar3] (Mount only, case) 31.7-31.8mm/25.4-26.0mm/22.2mm handlebars,

Mounting position: B. Includes a bottom adapter (GP-K400A) with a GoPro interface. Can also be used to mount a GoPro camera or a separately sold light adapter. Two types of rubber shims are included: for 31.8mm, 25.4mm-26.0mm, and 22.2mm. Base mount material: AL6061 CNC machined aluminum; Lock/lever material: Resin; Attached bolts: Stainless steel *Tools not included Included items: Mount body x 1, Lower adapter (GoPro interface) x 1, Rubber shims: 1 each for 25.4/26.0mm and 22.2mm *This product requires a REC MOUNT+ device (dedicated case, universal adapter, universal silicone case, universal holder, etc.). It cannot be attached to similar cases from other manufacturers. (Not compatible.)