RAM 1" Add-A-Ball™ Accessory Base for any B-size Socket Arm - RAM-B-273U

Connect another device to your existing RAM^® Mount with the RAM-B-273U Ball Base Adapter. This ball is made up of a 1" ball connecting to a 1/4"-20 threaded stud with a length of 1.6". The threads on this ball replace the bolt in any B-size socket arm, and the ball connects to the middle of the socket arm on the opposite side of the tightening knob. 

If you are looking to mount more than one device but cannot locate multiple mounting points on your motorcycle or vehicle, this base is the ideal accessory for connecting both devices off of one mounting base.

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:
0.01 lbs.

RAM 1/4"-20 x 2 1/4" Threaded Stud with 1" Ball

RAM® Mounts: Ball Sizes & Weight Capacities

Compatible Arms and Mounts

RAM 1" Ball Medium Length Double Socket Arm with 2.5" Round Base that contains the AMPs Hole Pattern - RAM-B-103U

RAM Medium Double Socket Arm, Long Double Socket Arm & Double Ball Adapter for B Size 1" Balls - RAM-B-201-201U-C

RAM Short Double Socket Arm for B Size 1" Balls - RAM-B-201U-A

RAM Long Length Double Socket Arm with Retention Arm for B Size 1" Balls - RAM-B-201U-C-ALA1

RAM 18" Long Extension Pole with (2 qty) 1" Single Open Sockets - RAP-BB-201-18U

RAM 1" Ball Short Length Double Socket Arm with Diamond Base - RAM-B-103-A-238U

RAM Short Double Socket Arm with Retention Knob for B Size 1" Balls - RAM-B-201-A-ALA1-KRU

RAM Double Socket Arm with Retention Knob for B Size 1" Balls - RAM-B-201-ALA1-KRU

RAM Double Socket Arm with RAM® Pin-Lock™ Security Knob and Key Knob for B Size 1" Balls - RAM-B-201-SU

RAM® X-Grip® Cradle with 1" Ball & Medium Length Double Socket Arm for 7"-8" Tablets - RAM-HOL-UN8B-201U

RAM 1/4-20 Female Threaded Hex Hole with 1" Ball - RAM-B-337U