3Pack ShareGoo Metal 3.17mm to 5mm Shaft Adapter Change-Over Motor Axle Sleeve Compatible with Hobbywing HSP 540 550 EZRUN-3656 Motor RC Car Boat Plane

Descriptions: Its changeover axle sleeve for 3.17 motor axle converted to 5mm motor axle.so that you can install the 5mm motor gear. CNC Machined,durable and lightweight. Upgrade parts,easy to install and remove. Inner Diameter:3.17mm Out Diameter:5mm Length:12.2mm Color: Silver Package Includes: 3 x 3.17mm to 5mm shaft adapter