Cinelli Clamp-on handles in Mike Giant Design synthetic surface with Velvet Touch For handlebars with 22.2mm tube diameter 129mm grip width Including Clamp-on aluminum rings material: SynteticsTape with Velvet Touch -Diameter: 22.2mm -Clamping: Two side aluminum anodized ring -Lenght: 129mm -Finish: Black Velvet or Red Velvet