The larger of the two bearings which the laygear runs on, for A+ order 1, for A series order 2, if using Straight Cut gears then check the laygear, some A+ varients use 2.
£ 0.50 (£ 0.60)
Note these are on pre-order and may not be immediately available
This is a used part; all used parts are carefully cleaned and inspected before being made available for re-sale