X AUTOHAUX 4pcs 44mm x 9 Ball Bearing Cages Crank Bearings Wheel Bearing Retainer for Bicycle

I bought these for my Mooncool Tricycle not knowing if they would work but they’re a perfect fit. You use two for a full replacement but the box comes with four so it’s nice to have spares. Still rolling so far months later so I’m happy with the quality. It would be nice to have a small grease packet included though.

I purchased a Joystar Bike from Amazon. The inner bearings wore out, never seen anything like it. Replaced with these and am happy to say that the bike is functioning as new.

I bought a used Life is Good brand bike from someone on FB market. I thought the crank just needed to be tightened but after doing that it was apparent that the crank was tweaked. I took it apart and found one of the bearing assemblies had become distorted. I went ahead and replaced both since I got a four pack anyway and that did the trick, crank works fine.

I have a Rallye brand bike for a few years and bearings was totally worn out last week with bearing balls all over my garage floor. Ordered this 9 ball bearing kit with retainer and installed after watching a Youtube video. Now the bike is back to life and there is no noise when I ride it. Excellent product and I will highly recommend it.

Used to replace the pedal bearings on an ERGO Air Plus bike. Exact replacement that has been working well.

Son usadas !!!😕

Worked fine on a older Schwin bicycle.

Needed to fix bearing on bicycle and was exactly the perfect fit.

Installed and works well