I own a 2011 Zipp Quantum 50/90 scooter. Bought at Gmoto the bearing fits perfectly I had more trouble removing the old one than putting the new one on, very solidly made puki co does its job.
Esthetics:
Material quality:
Fitting:
Reliable opinion
2019-01-06, 09:34
Robert
I replace this type of bearing in my scooter every Year because this type of bearing is not good, a ball bearing instead of shafts would be better.But this is how the scooter manufacturer came up with and this is how it must be.