The spur gear is a replacement component for YZ-4SF model chassis and is designed for installation in dual pad slipper assemblies on 1/10 scale RC race vehicles. It conforms to the DP48 specification and features 87 teeth, matching the 48 pitch tooth spacing noted in the product description.
When mounted to the slipper hub the gear transmits motor torque through the slipper into the transmission while permitting controlled slip. During setup ensure correct mesh with the pinion gear and examine the dual pad slipper for pad wear and correct preload to preserve consistent drivetrain engagement.
Practical tuning: the 87 tooth spur forms the basis for final drive ratio together with the pinion; swapping spur or pinion alters acceleration and top speed characteristics, so always test and adjust the slipper after changing gear ratios.
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