Lot of 2 ….4 x 8 x 3mm blue sealed ball bearings

$4.15 $3.95

Sale!

Lot of 2 ….4 x 8 x 3mm blue sealed ball bearings

$4.15 $3.95

Lot of 2 ….4 x 8 x 3mm blue sealed ball bearings

6 in stock

Bearings Qty
4 x 8 x 3mm 2
Total 2

Also called 840 size by Tamiya.(4mm inner,8mm outer 3mm wide)

Ball bearings should always be your first upgrades; that reduce
friction for less rolling resistance, and that means higher speed and
longer the running times.

Buy it now is for 2 (TWO) bearings.