Cateye H32 Handlebar bracket. Fits handlebars up to 26.8mm. The H32 bracket fits a wide range of older Cateye front lights including: Cateye Sumo 3 (HL-EL930RC) / Sumo 2 (HL-EL920RC) Cateye Nano Shot+ (HL-EL625RC) / Nano Shot (HL-EL620RC) Cateye Econom Force (HL-E540RC / HL-EL540) Cateye Econom (HL-EL340RC / HL-El 340) Cateye Volt 1200 (HL-EL100RC) / Jido (HL-Au 230) Cateye INOU (MSC-GC100)