Will this spring allow the rgb led whip wire to be fed through the the bottom of the spring bracket which has a 1/2" x 20 female thread?

Yes. There is a filler in there which you can punch out with a screwdriver. Do note that many models of LED whips have a quick disconnect for power in-line of the power cable. The quick disconnect connectors may not fit through the hole on the spring base. Hope this helps.

Will this work with a regular 1/2" fiberglass whip antenna?

As long as your antenna has the same thread pattern yes.

1/2 base hole way to big is there an adapter I can use to make it work , most CB antenna are 3/8

You can consider purchasing a pushing to make the two thread sizes work. The one on our spring base is 1/2" 20 thread. Hope this helps.

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2pc Heavy-Duty Barrel Spring Mounting Base [Chrome-Plated] [6mm Spring] [1/2" Mounting Hardware] CB Radio Antenna/Lighted LED Whips up to 102".

2pc Heavy-Duty Barrel Spring Mounting Base [Chrome-Plated] [6mm Spring] [1/2" Mounting Hardware] CB Radio Antenna/Lighted LED Whips up to 102".

Product ID: 300984691

Details

Antenna
Radio
Brand
ONLINE LED
Color
Chrome
Impedance
50 Ohms
Manufacturer
ONLINE LED
Number of Items
3

🔩1/2" x 20 thread mounting hardware

🚙Fits LED whips up to 102"

🛡️6mm heavy-duty spring steel

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27032 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Tough as steel, flexible as your lifestyle.

MULTI VEHICLE READY - Ideal for ATVs, emergency vehicles, pilot cars, and trucks—one solution for all your antenna needs.
UNMATCHED DURABILITY - Chromium-plated 6mm spring steel built to withstand the toughest off-road and highway conditions.
PEACE OF MIND WARRANTY - Backed by a 1-year warranty and world-class customer support to keep you covered on every adventure.
UNIVERSAL COMPATIBILITY - Standard 1/2" x 20 thread fits a wide range of LED whips, CB antennas, and more—perfect for any vehicle.
IMPACT RESISTANT FLEXIBILITY - Pot-belly barrel spring design absorbs shocks and bends to protect your whip from damage.

The ONLINE LED STORE 2pc Heavy-Duty Barrel Spring Mounting Base features a robust 6mm chromium-plated spring steel construction with standard 1/2" x 20 thread hardware, designed to protect and extend the life of LED whips and CB antennas up to 102". Compatible with multiple vehicle types, this spring base absorbs impacts and flexes under stress, ensuring durability and reliable performance backed by a 1-year warranty.

Specifications

ASIN	B07KBVH2R7
Antenna	Radio
AntennaDescription	Radio
Brand	ONLINE LED STORE
Brand Name	ONLINE LED STORE
Colour	Silver
Country of Origin	USA
Customer Reviews	4.4 out of 5 stars 1,841 Reviews
Impedance	50 Ohms
Impedance Unit of Measure	50 Ohms
Item Weight Unit of Measure	1.38 Pounds
Manufacturer	ONLINE LED STORE
Manufacturer Part Number	WHP100K1-X2
Maximum Range	259.1 centimetres
Model Number	WHP100K1-X2
Number of Items	2
UPC	816165026690
Unit Count	2 Count

Reviews

S**.

WELL PRICED

WORKS WELL

7.12.2025

N**.

Good SxS whip attachment

Good for NoCo SxS whips.

16.02.2026

S**E

Does the job

Arrived as described. Fits most UHF radios and desert flags.

25.02.2025

G**I

2pc Heavy-Duty Barrel Spring Mounting Base

Really love this spring to installed the led lights.

30.08.2023

R**R

All good

12.01.2022

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