Suction Cup Mount | 3.5" Diameter | 20mm Ball
Best modular base for drivers building custom device mounting solutions.
Build your custom device mounting system with the Tackform Suction Cup Mount. This foundational base features a large 3.5-inch diameter suction cup for secure attachment to windshields or dashboards. It's designed to integrate seamlessly with Tackform's modular system, connecting to any compatible arm and holder via its 20mm ball connector. Crafted from durable ABS plastic, this mount is built to last and is backed by Tackform's comprehensive warranty, offering peace of mind for your custom setup.
$29.99
Owner Satisfaction
4.7
/ 5
Category Rank
35
/ 351
#35 in GPS Mounts
Price vs Category Average
-40%
Below average
SKU
18
/ TF-BS-
Who it's for
- Off-roaders needing stability for heavy devices on bumpy trails
- Modular setup users who mix and match mounting components
- Commuters wanting a quick, non-permanent windshield mounting solution
Who should skip it
- Drivers with textured or uneven dashboard surfaces
- Minimalists concerned about windshield visibility and clutter
- Users in extreme climates prone to high heat exposure
Performance breakdown
Suction Strength
Large 3.5-inch diameter provides exceptional grip on glass and smooth surfaces.
System Compatibility
Industry-standard 20mm ball integrates perfectly with most modular mounting ecosystems.
Installation Ease
Tool-free design allows for rapid, secure setup in seconds.
Build Durability
Rugged ABS plastic construction withstands daily vibrations and temperature fluctuations.
Mounting Versatility
Dual-surface capability works reliably on both windshields and textured dashboards.
Warranty Coverage
Lifetime protection on metal parts offers significant long-term peace of mind.
Key Specs
SKU
TF-BS-18
Mount Type
Suction Cup Mount
Suction Cup Diameter
3.5 inches
Ball Connector Size
20mm
Material
ABS Plastic
Attachment Method
Suction Cup
Tool-Free Installation
True
Mounting Location
Windshield, Dashboard
Features
- Secure 3.5" diameter suction cup base
- Foundation for modular mount systems
- Compatible with 20mm ball systems
- Easy suction cup installation
- Durable ABS plastic construction
- Backed by a limited lifetime warranty
- Ideal for custom mount configurations
What customers say
Customer satisfaction centers on the TACKFORM mount's exceptional industrial strength and unwavering reliability. Users consistently praise the large suction cup for its tenacious grip, securing heavy devices reliably even in high vibration settings like trucks or off-road vehicles. Reviewers trust the mount to maintain suction through long periods and temperature changes, a key benefit for professional use. While the initial cost is higher, the superior build quality and durable materials justify the investment, positioning this as a long-term solution. The intense suction power, which makes removal difficult, ironically confirms its core strength. Overall, users report high satisfaction due to dependable performance under demanding conditions.
Know before you buy
The 3.5-inch suction cup is designed for smooth, non-porous surfaces like windshields or glass. While it may adhere to some very smooth, flat plastic dashboards, it is not recommended for heavily textured or porous surfaces.
This mount features a standard 20mm ball connector. It is compatible with any arm or holder that utilizes the industry-standard 20mm ball-and-socket system.
For the best results, clean both the mounting surface and the suction cup with isopropyl alcohol to remove dust and oils before installation. Ensure the surface is completely dry before engaging the suction mechanism.
This mount is constructed from durable ABS plastic and is backed by a 3-year warranty for the plastic components. Any metal parts included in the assembly are covered by a lifetime warranty.
No, the mount is designed for tool-free installation. You can secure it to your windshield or dashboard using the integrated suction lever.
Still have a question?
Ask Hayley anything about this product before you decide.