Description The RAM-B-272U consists of a 1″ diameter ball and base with 9mm hole. This part is often used on motorcycles, attaching to the mirror frame, the main brand of bike for the RAM-B-272U is BMW. Material: Powder Coated Marine Grade Aluminum Ball Size: 1″ Rubber Ball “B” Size Note: The “U” in the part number reflects product packaged in poly bag. Related Links: Compatible Motorcycles for the RAM-B-272U
