Shimano Exage 400 EX Rear Derailleur RD-A400

Shimano Exage 400 EX Rear Derailleur RD-A400

Marsoni

M251S

$31.00

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

Shimano Exage 400 EX Rear Derailleur RD-A400Details: Brand Model: Shimano Exage 400 EX (RD A400) Type: Rear Derailleur Specifications: 7 speed compatible, Short Cage Condition: Used, Cleaned, Fully Functional Origin: Japan Description: Shimano Exage 400 EX rear derailleur, designed for 7 speed drivetrains. Made in Japan in the early 1990s, this Short Cage model offers reliable, accurate shifting and solid construction. Suitable for classic road bikes and vintage setups where original Shimano

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I was a bit skeptical based on the price ($85 total after taxes) but you can tell that for the price, this thing is sturdy and high quality. Holds solid onto the vent and keeps my iPhone in place. Easy to adjust and move to your liking, also easy to turn 90* and have your phone sideways. Only drawback is that is obstructs the view of the clock on my 4Runner and slightly obstructs my windshield, but I am sure I will get used to it.

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Reviewed in the United States on May 14, 2026

Verified Purchase

Annika Chestnut

New York, US

★★★★★ 5

Great phone holder

I use this phone mount in my Subaru Impreza, and it works perfectly with my vents. It holds my phone super securely—no wobbling or slipping—so it’s great for navigation or hands-free use. Really solid and reliable for the price.

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Reviewed in the United States on November 5, 2025

Verified Purchase

Amanda & Josh

Cuba, US

★★★★★ 4

Excellent product.

First impression: excellent product. The only reason I deducted a star is because the price is obviously quite insane.

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Reviewed in the United States on February 26, 2026

Verified Purchase

Edward F Alves

Omaha, US

★★★★★ 5

A+ mount for 4Runners

This is the best phone mount I've ever had. Got it for my 2021 4Runner. Very strong, doesn't come loose, easy to place and remove the phone from the mount. Can't recommend enough.

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Reviewed in the United States on February 13, 2026