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Kimbrough 48P Traxxas Spur Gear (87T)
Kimbrough spur gears are molded with black 4/6 Nylon plastic,
because black dissipates heat into the air better then any other color -
and high temperatures are not good for thermo-setting plastics. This
plastic is almost three times tougher and will withstand operating
temperatures 75° to 125° higher than plastics used by other R/C car gear
Kimbrough spur gears are full width, because a narrow or profiled plastic gear can deform under load, is weaker and less efficient. This can cause drag in the gear train and waste horsepower. The wider a gear is, the more load it can handle. The only time gear engineers narrow gears, is when there is a space limitation. Kimbrough Racing Products gears run quiet because they have the correct tooth shape and don't have to be narrowed.
NOTE: The use of full width pinion gears is highly recommended.
This product was added to our catalog on November 18, 2010.