Serpent 401075 35T Differential Pulley & Shim Upgrade  [SER401075]

Refine Gear Mesh with the 35T Pulley Pack

For owners of the S400 1/10 190mm EP chassis the Serpent 401075 Differential Pulley & Shim 35T offers a straightforward way to improve gear alignment. The set is focused on keeping the drivetrain quiet and efficient under race conditions.

Low Friction Design for Reliable Power Transfer

The 35T component reduces contact losses and prolongs gear life. Combined with adjustable shims, it allows technicians and hobbyists to achieve the optimal mesh without guesswork.

Simple Upgrade for Routine Maintenance

The set matches S400 layout for easy replacement during scheduled servicing. Its straightforward fitment means less downtime between sessions and a quicker return to tuned setup.

What You Gain on Track

• Precision Fit: Engineered for correct alignment with S400 parts.
• Durability: Built to withstand regular racing use.
• Performance Boost: Helps reduce drivetrain drag and smooth acceleration.