Flexonic drive belt.

NOTE:  For the 530T/Pro3 machines in production from May 3rd-24th 2004, Serial number Y05-03 to Y05-24: The belts initially do not fit and you will have to loosen the motor and pry it on. The belt is made to fit this way. Any returns for the belt will be subject to the restocking fee. If you are not comfortable with this, please do not purchase this belt.

NOTE: Flexonic belts are made to stretch, so this belt will appear to be too small. You must walk it on to the pulley, this is by manufacturer design.