Pros & Cons
Pros
Derailleurs are hard to come by with the * of biking during the pandemic, especially 8s and 9s derailleurs. A step up from the tourney line and well worth the extra couple of bucks. I'm sure it's the oem, and therefore would recommend it to a friend.
Youtube has several videos that might help. If you go on youtube and spend a little time messing with the adjustments you'll have this thing installed and working in no time. Adjustment was needed on the limit screws though. Easy to install and adjust... Read More
I am novice to derailers but much greater than what i had working that was old and rusted. Now my 750 watt e-bike has a fresh gear shifter and runs smoothly again all through my cassette. This derailer is compatible with the shimano pull ratio for 9 s... Read More
Best part is now my bike rides like new. And it’s shiny clean too… at least for now. This version is black in the area that gets the most dirty. The new one is so shiny.
Cons
Silver derailleur is a 6-speed, not a 5-speed. Not compatible with 1x1 gear ratio. No *, just a jump. Manufacturer, what's your warranty?

Highlights
Quality
This derailer is compatible with the shimano pull ratio for 9 speed and under or friction shifters
It is easy to install and it is shimano so it is a good product
In the event i returned the unit because the range of adjustment with the screws for the horizontal gear change movement was le... Read More
My old deore xt was getting long in the tooth and i was getting chain skip on the 11t cog even with the slightest gear wear
Price
It was what it said and good price
This thing is stout for the price
The price is reasonable and it would have meant i did not need to replace both jockey wheels on the old unit which would have c... Read More
Shipping
Came a day earlier than projected from shipping info originally provided
She saw she wanted she ordered it it came fast with no issues
Item arrived ok but the box was trashed due to poor shipping packing
Competitiveness
I gave it 5 stars because of my previous experience with shimano products
8gear shimano cassette 3 chainrings on front sprocket old cannondale m1000 trail bike that i use for mostly on streets
Overview
- How are reviewers describing this item?
easy, old, good, new and great. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 1,267 reviews as of our last analysis date on Nov 8 2023.
Helpful InsightsBETA
Posted by a reviewer on Amazon
I bought this derailleur but didnt use it because i decided to go with a different cog to chainring ratio
Posted by a reviewer on Amazon
I think most bad ratings for shimano products is do operator error or lack of experience
Posted by a reviewer on Amazon
Replaced cheap original oem trash
Posted by a reviewer on Amazon
My old deore xt was getting long in the tooth and i was getting chain skip on the 11t cog even with the slightest gear wear
Posted by a reviewer on Amazon
My new bike came with a shimano tourney which felt flimsy and required me turn nearly to the next gear to shift
Posted by a reviewer on Amazon
I broke the mostly plastic originals