Product Description The Procraft Eco III is a classic bottle cage made of aluminum and fits bicycle frames with standard hole spacing. Technical Information:Material:aluminiumCompatibility:compatible with most bicycle frames with standard hole spacingManufacturer Number:11330532 Contents:1 x 2 x bolts2 x washers Manufacturer: Procraft (Messingschlager GmbH & Co. KG) Hans-Heinrich-Sievert-Str. 10 96148 Baunach Germany info@procraft.de