RAM® Motorcycle Brake/Clutch Reservoir Base with Add-On Ball

Part#: RAM-B-309-2U
UPC: 793442130922

Kit Components

$31.99

Overview

The RAM-B-309-2U connects to your handlebar clutch/brake clamp, left or right side, and holds two 1" diameter mounting ball. The ball that is connected between the hole centers is removable. The base fits the control clamps on your motorcycle with 40mm x 6mm stainless steel hardware, provided in the kit. To see if the RAM-B-309-2 base will mount to your motorcycle, check the hole spacing of the base against your clutch/brake reservoir. The holes centers have a minimum width of 0.94" and a maximum of 1.58".

hardware included:

Assembly Hardware
(2) M6 x 55mm Hex Bolts
(2) #1/4-20 x 2" Hex Bolts
(2) 1/4"-20 x 2.5" Hex Bolts
(2) 1/2" Spacers
(2) 1/4" Split Lock Washers

ball size:

B Size (1")

weight capacity:

Standard Use: 2 lbs
Heavy-Duty Use: 1 lb

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

0.35 lb

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

QUESTIONS & ANSWERS

Have a Question?

Ask a Question
  • I need just the removable ball. what is the part number?

    The Add-A-Ball accessory with this part is RAM-B-309-3U

  • Do you have a mount that will fit a motorcycle that doesn't have a brake on one side to screw into?

    For handlebar mounts, we suggest the RAP-B-404U.

  • Does this fit a goldwing 2018+ right handle bar. The other ball option what size is the screw diamater

    To see if the RAM-B-309-2 base will mount to your motorcycle, check the hole spacing of the base against your clutch/brake reservoir. The holes centers have a minimum width of 0.94" and a maximum of 1.58".
    The ADD-A-BALL has a 1/4"-20 x 5/8" Machine Screw

RAM® Motorcycle Brake/Clutch Reservoir Base with Add-On Ball
$31.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size — this product 1" ball
  • C Size 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size Ball Diameter Max Load* Best For
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B — this product1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

Add-on & Accessories

B Size Double Socket Arms
See All
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