TRAXXAS E-REVO Steel Spider Gear Set ER1200S/G2 by GPM  [ER1200S/G2]

TRAXXAS E-REVO Steel Differential Spider Gears - 1pr set - GPM ER1200S/G2
Price:
USD$11.90
Brand:
GPM
Model:
ER1200S/G2
GTIN:
4894538255805
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Precision Steel Spider Gears for E-REVO Differentials

These hardened steel spider gears are a precision aftermarket replacement intended for TRAXXAS E-REVO style 1/10 4WD differentials. The ER1200S/G2 gear set replaces softer factory spiders to reduce wear in high-torque and sustained-load environments.

Service and installation follow standard differential teardown procedures: remove the diff cover, extract the spider carrier, replace the spider gears, confirm lateral play and gear mesh, and reassemble with the chosen diff oil. No specialised tooling is required beyond typical hobbyist tools, though a dial indicator or feeler gauges can help confirm optimal mesh for competitive tuning.

From an engineering perspective these steel spiders are a durability and service-life upgrade. They maintain consistent gear engagement under elevated torque, reducing progressive wear on mating gears and helping maintain predictable drivetrain behaviour in tuned or heavyweight setups.

Compatible Models

  • 1/10 4WD 4-TEC 3.0 CORVETTE STINGARY-93054-4 SLASH 4X4 XO-01 E REVO 56087-1 REVO TELLURIDE 4X4 1/10 SUMMIT SLASH 4X4 LOW-CG 68086-21

What inspection steps ensure correct mesh after fitting the ER1200S/G2 set?

After assembly, rotate the differential slowly and check for smooth engagement across the full rotation. Verify axial play and use a thin witness paste or paper method to confirm gear contact pattern before finalising the setup.

Can these spiders be used with modified shafts or oversized bearings?

They are compatible with standard E-REVO internals; if using modified shafts or different bearing sizes, confirm bore and pin dimensions to ensure correct fit and avoid introducing side loads.

What practices extend service life under high-power use?

Maintain correct mesh, use appropriate diff oil and hardened mating gears where possible, inspect for pitting, and keep the diff clean and lubricated to prolong gear life under heavy duty use.