ADORLY Motor Pinion Gear Set for ECX 2WD Amp Mt Torment Rukus 32P 3mm 10T 11T 12T 13T 14T Pinion Upgrade Parts

["for 1/10 ECX 2WD Amp Mt Torment Rukus Motor Pinion Upgrades Parts","1/8 inch:The Pinion Gear Shaft Diameter Or Bore Is 3.175mm 1/8 inch , Make Sure Your Rc Motor Shaft Have The Same Diameter.","32p Is The Pitch Of Each Tooth On The Pinion Gear And The 10t 11t 12t 13t 14t Is The Number Of Teeth On The Pinion Gear. You Have To Make Sure Your Spur Gear And Pinion Gear Have The Same Pitch, Or The Teeth Won't Mesh.","Harden Steel Material:Durable And Reusable, Enjoy Your Happy Rc Racing Time.","Comes With Set Screws For Each Pinion Gear, The Pinion Gear Combo Set Also Included A Hex Key, Easy To Install."]