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Return to cotter pin - pick your size
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Crankin
Monday, January 5, 2026
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Chris santucci from Fuquay-Varina, NC United States
I got the 9.5mm for the pedal arm extender for my maxi. Worked as it should.
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Good quality pin
Monday, March 7, 2022
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Michael Snyder from Quincy , IL United States
Don't forget to grab an extractor with this if you need it. Way better than hammering these suckers out.. Thats why I needed one in the first place!!
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Welcome back
Sunday, November 28, 2021
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Moped Madman from Murrieta, CA Independent Kingdom of Treatland
Cotter, good enough and did the job
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Works as advertised
Tuesday, July 7, 2020
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Chinatown Kicks from Boston MA
I sent away to France for a set of these before I thought to check Treats, can you believe it? It turns out the ones from California fit just as well. 9.5mm for a Maxi, just like it says.
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Pedals pedal now.
Wednesday, February 5, 2020
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Scott Dawson from Van Nuys, CA United States
Used 8.8mm on Vespa grande, pedals no longer flopping around uselessly. Don't over tighten nut, you'll break it!
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meh.... it holds my pedal arms on.
Saturday, March 9, 2019
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Mason Shreve from Carrollton, OH United States
I have gotten a few of these now for various Vespas, maybe I am ordering the wrong ones. They are the same diameter as my old ones 8.8mm , but the ramp is always to aggressive. I can't even get the nut to start, it is nothing a grinder can't handle, leaning out the ramp, it just would be nice to not have to.
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8.8mm perfect fit
Monday, July 2, 2018
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Alexander Landerman from Bloomington, IN United States
The 8.8mm and the pedal arm extender worked perfectly on my Garelli Rally Sport. Now I can clear my exhaust and all the gaps at the skate park!
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Fit after filing.
Tuesday, April 10, 2018
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Anonymous Person from MA United States
Dunno exactly what size I needed. Old cotter pin had a 9mm diameter but the cut on the crank kept the cotter pin from going deep enough. Threads didn't stick out the other end. Fortunately the cotter pin is fairly soft metal so a few licks with the file, test, file, test, ect. until it fit and it works fine! I think.
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replaced mine
Wednesday, February 14, 2018
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Andrew Johnson from Madison, IN United States
These replaced my cotter pins on the garelli VIP great
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i got 2 9mm ones
Tuesday, December 19, 2017
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Anonymous Person from Pataskala, OH United States
they fit in the cool shorty pedal arms jamaica no problem
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