This replacement spur gear is made for Enduro Sendero trail trucks and is supplied as a single upgrade part. The 85-tooth ES085TS changes the final drive compared with the stock 87T unit to increase achievable top speed without swapping the motor pinion.
Material and purpose: machined from Harden Steel #45 for greater wear resistance and torsional stiffness versus softer stock materials, suited to trail running where durability under load is important.
Fitting notes: the spur sits next to the motor pinion in the drivetrain. Replace the existing spur, set correct mesh and backlash, then check the gear runs smoothly with no binding. Re-torque any retained fasteners to your chassis recommendations after installation.
Included item: Spur Gear - 1pcs
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