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RAM® Motorcycle Brake/Clutch Reservoir Ball Base

Part #: RAM-B-309-1U UPC: 793442130915

Features

Connects to your handlebar clutch/brake clamp with provided 40mm x 6mm stainless steel hardware
Compatible with any B size RAM® Mounts 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 environments
Backed by a lifetime warranty

RAM® Motorcycle Brake/Clutch Reservoir Ball Base

Product Information

Overview

The RAM-B-309-1U attaches to your motorcycle's handlebar clutch/brake clamp and features one B size 1" rubber ball. 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-309-1U base is compatible with your motorcycle, check the hole spacing of the base against your clutch/brake reservoir. The hole centers have a minimum width of 0.94" and a maximum of 1.58".

Specifications
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
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	0.33 lb

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RAM® Motorcycle Brake/Clutch Reservoir Ball Base

Name: RAM® Motorcycle Brake/Clutch Reservoir Ball Base
Brand: RAM Mounts
SKU: RAM-B-309-1U
Price: 18.99 USD
Availability: InStock

Part#: RAM-B-309-1U

UPC: 793442130915

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size

Holds .5 lbs.

Trail Cameras

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

Holds 4 lbs.

Fish Finders, Heavy Duty Tablets

D Size

Holds 6 lbs.

Heavy Monitors

E Size

Holds 15 lbs.

Heavy Monitors

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

Size	A Size	B Size	C Size	D Size	E Size
Short Arm	Overall Length N/A	Overall Length 2.42"	Overall Length 3.56"	Overall Length 5.69"	Overall Length 5.69"
Short Arm	Socket-to-Socket Length N/A	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 2.5"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 4.66"
Medium Arm	Overall Length 2.42"	Overall Length 3.73"	Overall Length 5.69"	Overall Length 8.44"	Overall Length 12.63"
Medium Arm	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 3"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 6.88"	Socket-to-Socket Length 9.88"
Long Arm	Overall Length 3.56"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 3.12"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

$18.99

Options

A Size

Holds .5 lbs.

Trail Cameras

B Size

Holds 2 lbs.

Phones, Action Cameras, Light Duty Tablets

C Size

Holds 4 lbs.

Fish Finders, Heavy Duty Tablets

D Size

Holds 6 lbs.

Heavy Monitors

E Size

Holds 15 lbs.

Heavy Monitors

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

Size	A Size	B Size	C Size	D Size	E Size
Short Arm	Overall Length N/A	Overall Length 2.42"	Overall Length 3.56"	Overall Length 5.69"	Overall Length 5.69"
Short Arm	Socket-to-Socket Length N/A	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 2.5"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 4.66"
Medium Arm	Overall Length 2.42"	Overall Length 3.73"	Overall Length 5.69"	Overall Length 8.44"	Overall Length 12.63"
Medium Arm	Socket-to-Socket Length 1.75"	Socket-to-Socket Length 3"	Socket-to-Socket Length 4.66"	Socket-to-Socket Length 6.88"	Socket-to-Socket Length 9.88"
Long Arm	Overall Length 3.56"	Overall Length 6"	Overall Length 9.13"	Overall Length 12.98"	Overall Length N/A
Long Arm	Socket-to-Socket Length 3.12"	Socket-to-Socket Length 5.31"	Socket-to-Socket Length 8"	Socket-to-Socket Length 11.41"	Socket-to-Socket Length N/A

Options

Overview

Features

Connects to your handlebar clutch/brake clamp with provided 40mm x 6mm stainless steel hardware
Compatible with any B size RAM® Mounts 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 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

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:

0.33 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.

Print

Instructions

RAM Brake/Clutch Reservoir Assembly Instructions 309-1 Series

Documents

Drawing File: Brake Clutch Reservoir Base

Knowledge Base: Ball Sizes

QUESTIONS & ANSWERS

Have a Question?

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Will this work with the 2025 Honda CBR1000RR? I know real estate is tight around this area on the bike.

This brake/clutch reservoir mount is compatible with 2025 Honda CBR1000RR
will this fit 2014 Ultra Limited clutch side reservoir ?

The RAM-B-309-1U is not compatible with the 2014 Harley Davidson Ultra Limited Series.
Will this fit the CFmoto 450ss front brake or clutch?

This is a universal motorcycle base, not for specific motorcycles. To see if this base is compatible with your motorcycle, check the hole spacing of the base against your clutch/brake reservoir. The hole centers have a minimum width of 0.94" and a maximum of 1.58".
Will this fit the front brake side of a 2022 Harley Road Glide Limited?

This made to accommodate hole spacing between .94" and 1.58" apart.
Will this fit a 2019 Harley Davidson Street Glide?

Yes, the RAM-B-309-1U is compatible with a 2019 Harley Davidson Street Glide.
Will this fit a Goldwing?

Yes this base should fit most if not all Goldwing models. To verify, here is a link to a drawing file of the base casting where you can verify the size of the base and compatible hole spacing.
Is the RAM® Motorcycle Brake/Clutch Reservoir Ball Base a 1-inch ball?

Yes this is a 1" B Size Ball.