BM WORKS Lightweight Bike Handlebar Extender for Bike Mounts, GPS Units, Lights, Cameras or Smartphone Cases Handlebar Extender that give you more space to equip extra lights, smartphone mount, etc. Speed Bar is removable and creates extra space if needed. Extender body alone can be used to install lights, smartphone mount, etc Can install on Normal size (25.4mm/26.0mm) bars and up to over size (31.8mm) handlebar Dual clamps for a strong and secure hold Super Light Weight - Weights only 80g - Extender 40g Speed Bar 40g