Shoe Driver Assy.
Comet part no. 200344 A This is the Standard Zinc weights(320 grams) with springs used on the Comet 20 Series. 30 Series. TAV 2
With the 011187 A Blue spring which is the default spring fitted it engages at 2200 rpm.
Comet 202931 A is the Alum Die Cast weights ( 147 grams) No springs supplied with these weights. These weights are used if a higher engagement speed is required.
The springs are available separately ( see Garter Spring page )
This item is usually dispatched within 3 to 5 days.