RAM Universal Base with 1.5" Ball (RAM-111BU) Type_RAM A Size 25" diameter ball and two

25" diameter ball and two stainless steel U-bolts

allowing for the placement of the RAM rubber ball base

The RAP-S-KNOB5-4U replaces all knobs on 1

Included is a hole pattern that will allow attachment to all RAM bases that contain the universal AMPs hole pattern

the main brand of bike for the RAM-B-272U is BMW

RAM Universal Base with 1.5" Ball (RAM-111BU) Type_RAM A Size 25" diameter ball and twoThe RAM 111BU consists of a 1. 5" diameter rubber ball connected at right angles to a flat 6. 25 x 2" rectangular plate. The plate contains different combinations of pre drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB Radios, Ham Radios, Gimbal Brackets and more. Specs & Features Material: Powder Coated Marine Grade Aluminum Ball Size: 1. 5" Rubber Ball Size Weight: 0. 4 lbs. Note: The "U" in the part