Hign-concerned Chemical:None Origin:Mainland China Function:Mount Bar Bar length:10/20/30CM Net weight:Approx. 100gram Status:100% brand new 10/20/30cm Aluminum Alloy Bicycle Handlebar Extender Mountain Bike Front Light Bracket Lamp Flashlight Accessories Features: As extended support to mount lamp, horn, speedometer, sound box etc, Extended Tube 10cm /20cm/30cm optional. For more carryings on the mount, keeping a neat handlebar; Machined alloy bracket, with liners; Fits Dia. meets most of handlebar sizes; Fasten with bolt, firm and safe mount on handle bar; Light weight, easy to mount and release. Specification: Material:Aluminum Alloy Color: Black / Blue / Red bracket length: 10cm, 20cm, 30cm for option Fit for: 31.8mm handlebars