There is no difference in hardness between the colours.
These polyurethane are firmer (80 shore) than the rubber bushes (60 shore approx) but with little affect on ride quality.
PU is resistant to oil and fuel and will not degrade.
Stainless steel inserts are used but are subject to change without notice.
Dec 2014,Update in specification, due the a change in catalyst used in the production on our bushes, and as a result, the finish of the bushes will be a matt as opposed to a shiny one.
These polyurethane are firmer (80 shore) than the rubber bushes (60 shore approx) but with little affect on ride quality.
PU is resistant to oil and fuel and will not degrade.
Stainless steel inserts are used but are subject to change without notice.
Dec 2014,Update in specification, due the a change in catalyst used in the production on our bushes, and as a result, the finish of the bushes will be a matt as opposed to a shiny one.