RAM Motorcycle Base with 9mm Hole and 1" Ball - RAM-B-272U

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. Specs & Features 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. Weight:0.1 lbs. Compatible With Compatible Arms and Mounts RAM® X-Grip® Cell Phone Cradle with Double Socket Arm - RAP-HOL-UN7B-201U RAM® X-Grip® Cradle with 1" Ball & Medium Length Double Socket Arm for 7"-8" Tablets - RAM-HOL-UN8B-201U RAM Universal Action Camera Adapter with Double Socket Arm - RAM-B-202-GOP1-201U RAM Double Socket Arm for B Size 1" Balls - RAM-B-201U RAM Short Double Socket Arm for B Size 1" Balls - RAM-B-201U-A RAM Long Length Double Socket Arm for B Size 1" Balls - RAM-B-201U-C RAM Composite Double Socket Arm for 1" Balls - RAP-B-201U RAM Composite Short Double Socket Arm for 1" Balls - RAP-B-201U-A R