Project 321 G3 Rear Hub- 12x157mm SuperBoost

Project 321 G3 Rear Hub- 12x157mm SuperBoost

Marsoni

M251S

$227.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Project 321 G3 Rear Hub- 12x157mm SuperBoostProject321's G3 12x157 Rear Hub Our approach with G3 was to build a hub that strikes the ideal balance between strength, weight, reliability, and efficiency. The result of this design philosophy is a robust and efficient hub set with instant, rock solid engagement. Engagement G3 hubs use the same 72 tooth drive ring and three step magnetically actuated pawls as our proven G2 hubs. To increase engagement without compromising reliability we added two

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This is a great device! Not my first one but definitely better than I had before! It mounts on the side of the screen, which is very convenient as my other one was sticky, so I had to leave it with my other car. The handles rotate well to give you any position that suits you. There is some good suction, so it sticks well and doesn’t fall. It’s good quality and sturdy. The phone magnets very well to it and also doesn’t fall. I rotate it any way I want but mostly vertically and diagonally. I had it for a while now so can give you my honest opinion. Highly recommend!

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Reviewed in the United States on May 30, 2025

Verified Purchase

Thomas Dinoto

Alexandria, US

★★★★★ 5

Smash or Pass? ….Smash.

The smash phone mount did the trick. There was never a good or convenient place to put my phone in the 4-runner. This piece of kit fixed the issue nicely. Fits in the little storage spot tightly with a spring loaded friction mount. The hardware to manipulate the holder so you can customize your preference is made of metal so it will be durable and stable and bc you can change it around to fit your needs it has a lot of functionality. A little pricey but a good add-on for the rig.

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Reviewed in the United States on April 19, 2026

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Celica49

New York, US

★★★★★ 5

Get the stubby, not the standard

This is a very nice mount. I strongly recommend the stubby version over the standard, mostly because you can move the phone holder around to help keep it visible and out of the way. As a taller guy, the standard mount would be hitting my knee when I get in the vehicle, but the stubby mount allows me to move it further towards the passenger side, which also keeps my cup holder usable.

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Reviewed in the United States on April 5, 2026

Verified Purchase

John petre

Lexington, US

★★★★★ 5

Smash mouth stubby

Phone mount works great. Very nice,easy to position were you want it. Fits tight in a useless cubby .Nice mount good quality.

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Reviewed in the United States on February 8, 2026

Verified Purchase

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