Rubber Drive Contact Friction Roller Wheel for 8mm hub Shaft Generator/Motor Polyurethane Exercise Bike Dynamo
$99.00
Description
Industrial grade heavy duty stainless steel hub 8mm inner bore 1.5" (38mm) outside diameter.Extra sure double set screw design - stainless steel, use with red threadlocker for maximum durability.Polyurethane rubber 70A durometer rubber hardness.This is the same rubber used to make skateboard wheels so you know it is very durable.100% Modulus, psi (D412) = 439, 200% Modulus, psi (D412)=675, 300% Modulus, psi (D412) =1130
