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Adapt Size
-- The size of the bike stem adapter is 25.4-31.8MM.
Styling
-- CNC machining.
-- Using CNC cutting, the surface is flat and beautiful, and the edges are round and smooth.
-- The surface is anodized and brightly colored, making your bike cooler and more stylish.
Special Design
-- Adopts a wavy design on the surface not only will not damage the handlebar and stem, but also increase the friction of the product.
-- It can be better anti-skid and improve riding safety.
Function
-- This reducer allows you to use a smaller diameter standard size handlebar in an oversized stem.
-- Bicycle handle gasket reducer converts 25.4mm to 31.8mm rod hole adapter.
-- If your handlebar diameter is 25.4mm and stem diameter is 31.8mm, then you can use a "25.4 to 31.8mm" handlebar shim as a conversion.
darrell zietlow
Reviewed in the United States on September 27, 2024
Inexpensive, nice finish, however did not work for me. It could have been a handlebar problem and not the shim
Kris
Reviewed in the United States on September 27, 2024
Works like it should
Hap
Reviewed in the United States on September 18, 2024
A very useful product that allows me to easily switch out two different sized handlebars in my bike. Works great.
john
Reviewed in the United States on September 13, 2024
works great so far, nice and tight,, and We beat the heck out of the bike,,
Power User
Reviewed in the United States on March 23, 2024
Too big for my 25mm bars.
James
Reviewed in the United States on December 5, 2024
Nobody in my family wanted their mountain bike…so the conversions were cheaper & easier than buying new bikes. I fixed the gear to an easy single speed and put cruiser bars on all the Cannondales (and comfy seats)… everyone seemed happy with their “new” rides.
Lisa Lightning
Reviewed in the United States on November 10, 2024
I have a Lectric brand bicycle and I was switching the handlebar to a cruiser style. I had a used handlebar ready but I didn't realize that the Lectric 3.0 handlebar is very wide only in the center for whatever reason.So the handlebar I bought aftermarket was too skinny to attach.But these things worked perfectly and made it fit the bigger size attachment on the bike. Because I guess there's only two different sizes that handlebars tend to be. The new Lectric 3.0 is weird in that most of the handlebar is the skinnier-normal size but only in the middle where it attaches to the frame, it is the bigger size.
Kindle Customer
Reviewed in the United States on April 6, 2024
Very happy so far with the performance of this 25.4mm to 31.8mm. Bought this "size adjuster" handlebar shim due to the wrong size bicycle stem being sent. I have a 25mm handlebar and was sent a 31.8 handlebar stem. This shim comes grooved both on the interior and exterior of the shim for extra non slip grip and was machined to the perfect size and was exactly what I needed. Would recommend.
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