Shimano RX100 Rear Derailleur RD-A550

Marsoni

M251S

$44.90

Get it in 3 business days with 1 day shipping. Friday, May 29

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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Our dogs are loving this ball. Our 1 yr old hound is a world-class chewer and he can't make a dent in this ball. The interactive buzzing and bouncing keeps them entertained for long durations. It's a mite noisy but the barking from the 1 yr old is much louder, lol. Even turned off, they like playing with it and chewing on it. Based on the tough construction, we think it will last much longer than traditional chew balls.

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Reviewed in the United States on March 22, 2026

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Janice A

Battle Creek, US

★★★★★ 5

My puppy’s favorite

Color: Orange

Great quality and built to last. My dog really enjoys playing with it and stays entertained for quite a while. The material is strong yet safe, and the included drawstring bag is a convenient extra for easy storage. Is colorful and my become my puppy’s favorite.

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Reviewed in the United States on March 1, 2026

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Amazon Customer

West Palm Beach, US

★★★★★ 1

If you love your dog…don’t buy this.

Color: Orange

We have a nonaggressive English cocker. She opened the ball every time she played with it. And yes, we are closing it as hard as we can. I do not recommend this toy for any dog! This is a dangerous toy for a dog that is not supervised.

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Reviewed in the United States on March 16, 2026

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jeff c

Bozeman, US

★★★★★ 4

Keeps your dog busy

Color: Blue

Good toy to keep your dog busy. Make sure you check it periodically to ensure it stays together.

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Reviewed in the United States on April 3, 2026