What does the wheel hardness and the wheel diameter mean? The Wheels have 2 numbers on them that count.
1. The Wheel Hardness is measured on the Shore scale:
Either on the D scale or the A scale
D scales are for harnesses of Plastic Compound Wheels
A
What does 7mm or 8mm mean ? Those refer to the inner diameter of the bearing and the size of the axle its going on. Most of the new skates use 8mm axles so the standard 8mm bearings would be needed.The older models, and high end
What are the different size bearings and their typical use ? 608 Bearings ( Most common bearings)
Inside Diameter - 8 millimeters
Outside Diameter - 22 millimeters
Width (unsealed) - 7 millimeters
Width (two shields) - 7 Millimeters
Typical Use - Commonly
How do I get the old bearings out of my existing wheels? You will need a Reflex Tool . You can use this tool to remove wheels from you skates and use it to remove bearings from the wheels. Use it for quick extraction of the axle bolt once it's loose.. It is
Why doesn't the Bones Bearings have an ABEC rating on them? Please review the below article courtesy of George A Powell Bones Bearings. We are often asked, “What ABEC rating are your bearings?” The answer is that “Bones Bearings are Skate
What is a typical inline wheel size and hardness? A typical inline wheel diameters are from 70-110 mm, with larger wheels enhancing speed and smaller wheels being designed more for maneuverability.
Softer wheels are good for outdoor use and provide
