These are hard plywood spacers for backmounting of outrunner motors.Three sizes are available to fit almost any motor on the market
(8MM OD M3 20 X 1.95MM/20 X 2.85MM
These are hard plywood spacers for backmounting of outrunner motors.Three sizes are available to fit almost any motor on the market
(10MM OD M3 20 X 1.95MM/20 X 2.85MM)