New 10/20mm Road Bicycle Riser Spacers 31.8mm Alloy Rest Bar Plate Rising Spacer Clamp Aluminum for TT Handlebar Spacer

New 10/20mm Road Bicycle Riser Spacers 31.8mm Alloy Rest Bar Plate Rising Spacer Clamp Aluminum for TT Handlebar SpacerProduct Features:Use with superimposed height (10/20/30/40/50 comes standard with M5 heightening screws)Applicable: round tube handlebar diameter standard diameter 31.8MMNote for use: The height above 30mm is the superimposed height, not the whole height (for example: 30mm is superimposed by a 10 and 20, 40mm is superimposed by two 20mm, 50MM is superimposed by two 20mm and a 10mm)Specification:Product name: TT handlebar heightening padMaterial: aluminum alloy spacerColour: BlackSize:: Hole spacing: 40MM (center to center)Washer height: standard 10MM/20MM optionalPackage Content：1 pair of rising spacers and four srews