Shimano Altus Mountain Bike Rear Derailleur - Direct Mount - RDM310

Analyzed on

5,296Total Reviews

Rear Derailleurs

B

Company Review Grade:

Shimano

555 Total Products

Shimano Altus Mountain Bike Rear Derailleur - Direct Mount - RDM310

Analyzed on

Sold by Shimano

B

Fakespot review grade

B

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Pros & Cons

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Pros

Used to replace a tourney derailleur on a specialized kids bike. Allows me to use the big gear on the mega range.

Shimano altus is a step up, installed and adjusted easily after bending hanger back into place. Dialed it in. No bling necessary.

Cons

The threaded axle screw that passes thru the center of each of the two idlers quickly becomes loose. There is a hanger available via amazon that can attach to such a cheap bike even though there is no pocket to mount that hanger onto. I know it was in... Read More

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality

This derailleur solves that problem with extra-large jockey wheels, which allows shimano to shorten the cage and improve ground... Read More

I replaced a good tourney because i went with a bigger cog cassette, and am very happy with the altus, which has been a workhor... Read More

With the shifter and chain on the smallest cog, i snugged the cable, and tightened the clamp.

I got this for a recumbent trike with 20" wheels because the stock derailleur got dangerously close to the ground in some gears... Read More

Price

I will never know if the altus is easier to adjust, because it was factory adjusted right on the money.

Competitiveness

If you're looking for low gears, that's an incredibly powerful combination, with gear inch ranges rivaling high-end gearboxes a... Read More

One reviewer stated he preferred altus to the fancier and more expensive alivio.

Overview

How are reviewers describing this item?
good, plastic, small and great.

Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.

Our engine has determined that the review content quality is high and informative.

Our engine has discovered that over 80% high quality reviews are present.

This product had a total of 5,296 reviews as of our last analysis date on Jul 18 2024.