Amazon.com: RC Motor Shaft Adapter, Rugged Stainless Steel Stable Transmission Motor Axle Change Over Sleeve 3.17mm to 5mm for RC Model : Toys & Games
5Pcs Motor Axle 3.17mm To 5mm Change-over Shaft Adapter Motor Shaft Sleeve Remote Control RC Cars Boat Plane - AliExpress
20Pcs Motor Axle 3.17Mm To 5Mm Change Over Shaft Adapter Sleeve For RC Model Car Boat Plane 3650 550 540 Motor - AliExpress
Amazon.com: Steel 3.175mm (1/8 inch) to 5mm Pinion Reducer Sleeve Adapter Shaft Motor Axle Change-Over for Converting RC Motor 3650 550 540 Pinion Gears, Set of 3 : Toys & Games
Amazon.com: RC Propeller Shaft Adapter, Aluminum Alloy RC Plane Airplane Shaft Motor Propeller Adapter Brushless Motor Spare Parts for C2822/C2826/C2830/C2836 Brushless Motor : Toys & Games
Amazon.com: AMOGOT 3Pcs Metal 3.175mm to 5mm Shaft Motor Pinion Reducer Sleeve Adapter for Converting RC Motor 3650 550 540 Pinion Gears : Toys & Games
Steel Shaft Adapter - 5mm Motor Shaft to 5mm Flexi Shaft
Amazon.com: Hobbypark 1/8 inch 3.175mm to 5mm Pinion Adapter Shaft Adapter Reducer Sleeve Motor Axle Change-Over for RC 540 3650 Brushed/Brushless Motors (3-Pack) : Toys & Games
Shaft Sleeve for EZRUN-3656 4P SCT Motor - HOBBYWING North America
Pololu - 12mm Hex Wheel Adapter for 3mm Shaft (2-Pack)
2pcs RC Model Brass Motor Shaft Coupling Connector Adapter Joint 2/2.3/3/4mm To 2/3/3.17/ 4/ 5mm with Screw | Wish
Radical RC Prop Adapter 3.2mm(1/8") Motor Shaft
Prop Adapter w/Collet, 2mm Short | Stevens Aeromodel
1 Pcs HOBBYWING Motor Axle 3.17mm To 5mm Change over Shaft Adapter For RC Motor
Collet Style Prop adapter with spinner nut for 8.0mm Motor shafts - RC Dude Hobbies
Amazon.com: SPYMINNPOO 10 Pcs RC Motor Shaft Adapter, 62mm Length 4mm Diameter Brushless Motor Axle Rod for Model RC Car Boat Plane Model Toys Other Accessories : Toys & Games