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Shimano RX100 Rear Derailleur RD-A550

Marsoni M251S
Sale price$44.90
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Shimano RX100 Rear Derailleur RD-A550Details: Brand Model: Shimano RX100 RD A550 Type: Rear Derailleur Specifications: 7 speed compatible, Short Cage, Capable up to 28T max cog capacity Condition: Used, Cleaned, Fully Functional Origin: Made in Japan Description: Shimano RX100 RD A550 rear derailleur, made in Japan between 1991 1994. Compact short cage design suited for 7 speed drivetrains, offering reliable shifting and solid performance. An excellent upgrade or match for vintage road
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4.7 ★★★★★
Based on 196 reviews
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Kindle Customer
San Leandro, US
★★★★★ 4
Well made and perform well, a little constricting
Size: Medium, Color: Black Assortment (6-pairs)
These socks definitely keep most of the moisture away from my feet, even in wet conditions, which is why I bought them. I am diabetic, though, and the recommendation is to wear socks that don't constrict at any point. These have a tight band around the opening that while it is not uncomfortable on, leaves a mark when I take them off. So far it's been ok, but if you have any kind of swelling in your feet or ankles these would probably not be the best. My foot measures size 8 and I wear size 9 Brooks running shoes. The socks fit me just right but based on the size of the opening and the overall length, I wouldn't think they would fit anyone more than a size larger. Overall well made and perform well as you would expect from this brand.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 20, 2018
H
Verified Purchase
Halle
Boise, US
★★★★★ 5
long lasting!
Size: Medium, Color: Black/Assorted
literally my favorite sock i will buy forever. they just started busting through after 6 years and i wear them a lot
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Reviewed in the United States on November 13, 2025
D
Verified Purchase
David
Phoenix, US
★★★★★ 5
Good quality
Size: Medium, Color: Black/Assorted
Comfy and sturdy
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Reviewed in the United States on January 27, 2025
B
Verified Purchase
Brooke
Chelsea, US
★★★★★ 5
Favorite socks
Size: Medium, Color: Black/Assorted
These are my go to socks! Love these. Great towards sweat and different weather temperatures. Mostly use for working out and love them. Will be getting more!
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Reviewed in the United States on April 9, 2024
M
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Maranda
Grantham, US
★★★★★ 5
Great fit
Size: Medium, Color: White
Perfect fit and they don't slide off the back of your ankle.
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Reviewed in the United States on March 16, 2026

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