Serpent 120043 71T 48P Replacement Spur Gear for Eryx 411  [SER120043]

Upgrade Your Eryx 411 with a Reliable Spur

The Serpent 120043 spur gear is built for the Eryx 411 4.1 Touring Car EP with a 48-pitch, 71-tooth profile. It helps maintain steady power transfer and smooth engagement on track. The unit also matches S400 and S411 series gearboxes for wider fit options.

How the 71T Affects Performance

A 71-tooth spur at 48P gives a useful compromise between acceleration and top end, letting you tailor gearing to surface grip and track layout. It is a common choice for drivers tuning final drive for balance.

Compatibility Checklist and Fitting

Compatible with the Serpent Eryx 411 4.1 and appropriate for S400 and S411 series gearboxes. Fitting is simple for most hobbyists; adjust mesh and secure the gear with the standard hardware supplied by your kit.