RAM® Motorcycle Brake/Clutch Reservoir & Handlebar Ball Base

Part#: RAM-B-309-7U
UPC: 793442904110

Kit Components

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$27.99

Overview

The RAM-B-309-7U combination handlebar and brake/clutch reservoir base provides the ultimate flexibility for mounting to your motorcycle. Attach the base to either your handlebar or brake/clutch, and achieve near-infinite adjustability and ideal viewing angles for your phone, GPS unit, or action camera. The zinc-coated metal U-bolt accommodates rails ranging from 0.5" to 1.25" in diameter. Hardware included.

Features

  • Combination handlebar and brake/clutch reservoir base for motorcycles; includes U-bolt hardware
  • Included B size 1" RAM® rubber ball allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
  • Made of Powder-coated, marine-grade aluminum for durability and reliability in the most demanding marine environments
  • Backed by a lifetime warranty

hardware included:

(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
(1) 1/4"-20 U-Bolt for .5" - 1" Rails
(1) 1/4"-20 U-Bolt for 1" - 1.25" Rails
(2) 1/4"-20 Nyloc Nuts
(2) Rubber Caps
(1) U-Bolt Spacer

clamp range:

.5" - 1.25" diameter

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:

0.47 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
  • Will this fit a 2022 BMW R1250RT?

    RAM Mounts does not make bases for specific makes or models of motorcycle, as long as the hole spacing for the RAM-B-309-7U lines up with the mounting holes for your controls, that base will be a solid option for you.

RAM® Motorcycle Brake/Clutch Reservoir & Handlebar Ball Base
$27.99

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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