SCM6001 - Integy open endbell 60-turns single stranded brushed motor, new MATRIX PRO version, designed especially for R/C rock crawlers, scalers and trucks. Easily equip or upgrade your crawlers of any brand for more low-end torque and slower wheel speed while crawling. This motor has ball bearings, removable brushes and springs, removable and rectifiable rotor, brush coolers, stronger magnets. Doesn't need expensive ESCs to work !