Tire Iron BeadBrakR slide show - BestRest
I've spread open the tire carcass ...

When the 2nd side of the tire comes off the rim, it will be coming over this shoulder of the rim.  The INSIDE of the tire bead and the INSIDE of that rim shoulder must be lubricated

I've spread open the tire carcass ...

When the 2nd side of the tire comes off the rim, it will be coming over this shoulder of the rim. The INSIDE of the tire bead and the INSIDE of that rim shoulder must be lubricated