Ram arms are Ram mount's way of extending or joining mount ball parts together. Or you can join two ram arms with the Ram double ball mount. The RAM medium b size socket arm (RAM-B-201U) is key in most mounting options. Next most popular are the Ram short arm (RAM-B-201-AU) and the RAM double socket arm long (RAM-B-201-CU) . Made in either metal or composite the Ram arm is hard-wearing and universal ball system. The RAM B size (1") is the most popular arm for bike and vehicle ram mounts. Use the Ram B size ram arms with a 1" ball bases to extend or utilise a mount. The RAM composite arms starting with prefix RAP are light-weight yet strong. The RAM metal arms use the prefix RAM and are made of powder coated marine grade Aluminium. If you need a more heavy-duty solution, then the RAM double socket arm C size which uses a 1.5" ball is available and for a more refined approach there's the A series which is 17mm ball. We then get to the industrial size D which is a whopping 2.25" for display panel etc. Mounting options using RAM components are the most flexible we have found. Buybits are one of the largest suppliers for Ram Mount UK and carry a large amount of stock.