Product Description With the handlebar mount from Lupine, which consists of two clamps, you can attach your light to the centre of the handlebars in front of the stem. Technical Information:Stem Width:39-51 mmHandlebar Clamp:31.8 mm / 35.0 mmCompatibility:SL ASL SFeatures:for mounting in front of the stemManufacturer Number:d2296 Contents:1 x Lupine right clamp1 x Lupine left clampincl. bolts Manufacturer: Lupine Lighting Systems GmbH Im Zwiesel 9 92318 Neumarkt Germany info@lupine.de