POWER GEAR 2:1 Graupner 1770 High-performance 2:1 toothed belt gearbox for SPEED 700 BB TURBO 9.6 V or ULTRA motors 1200 to 1600. In case of installation of a motor of the ULTRA 1300 series, the backplate and spacer ring, No. 1770.10, is also necessary. Toothed belt power transmission ensures a high level of efficiency and quiet operation. Gearbox based on glass-reinforced plastic components, twin ballraces and hardened 6 mm diameter steel output shaft, steel wire reinforced toothed belt, size 10 T5-150 mm. Weight complete approx. 110 g.
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