Tech specs: Stator size: 2812 175g without wires 182.5g with full length wires 195.6g with blade mounting hardware Large 6805 and 6000 bearings Ring bearing held in by 2x M3 screws M4x18.5mm motor mount pattern M5 weapon mount screws Works with blades from 1/8” thick to 1/2” thick. Overall dimensions: 2.28in max diameter by 1.375in length Comes with battle hardened magnet ring (also available separately) Magnet ring can be removed via 4x 2mm pins Extra long wires to span even the widest of robots. 3 kv options: 800, 1300, 1800 Recommended for 3S-6S usage. Be sure to choose your kv for a reasonable tip speed to avoid burning out your motor. Extra Parts Shoulder bolt: 5/16" diameter, 2.5" length, 1/4-20 locknut incl. (for 1/2" thick uprights). About 33g Magnet Ring: Includes only the magnet ring, not the housing Base Bearing Shim: Aluminum shim for the base of the motor to prevent the 6704 bearing moving Machined Ti Shaft: 5/16" diameter, 2.0" length, M5 end-tapped (screws included) (for 1/4" thick uprights). About 13g Notes for use: 5/16" or 8mm shoulder bolt or other similar through shaft is required for use. Without the shoulder bolt the rotor is not fully constrained and may be damaged. When designing the blade, the tooth portion should line up with the 2 screws at the top. This provides the most optimal loading scenario with maximum strength. Three tooth weapon designs are not recommended. The motors have been tested on many bots, including: Elytra Nautiloid Prince Rorschach Venator Je ne sais quoi Find the 3D model here: https://grabcad.com/library/repeat-2812-beetleweight-hubmotor-1 Works great with the Vortex 80A weapon esc: https://repeat-robotics.com/products/vortex-80a-esc-beetle-weapon-or-big-bot-drive/