Savox SB-2291SG Black Edition 1/8 & 1/10 Monster High-Speed Brushless Steel-Gear Servo (0.05 sec / 250 oz @ 7.4V)Overview The Savox SB 2291SG Black Edition is the newest member of the Monster Series family, delivering an impressively quick 0. 05 sec transit time along with above average torque for applications where response time is the primary concern. It's a perfect match for 1 8 on road cars, 1 10 nitro touring, and 1 8 electric and gas buggies where a more responsive servo unlocks real performance gains. Savox's patented brushless servo motor technology