Review on VIGRUE Precision Bearings Slingshot Kit by Julian Perkins

I have used this product on a number of occasions for bike bearings, particularly the 5, 5.5 and 6mm bearings included in the kit. I can only relate to those specific dimensions. The size is correct for all camps, but the hardness is not comparable to other camps. Once installed, these bearings cannot travel 10-15 miles if they fail. The code shows GCR 15 and I suspect they are not comparable to real 25 grade bearings. BTW I bought another brand with 25 grade and they have worked as expected with over 200 miles without incident. So I wouldn't recommend them for bike or lift storage. They are only suitable for use with ammunition or light stocks.