This Serpent 402169 pair is supplied as matched steeringblocks designed to replace worn units on Medius X26 RC chassis. The listing confirms fit with the Medius X26 steel EP SER400052 platform, and the two-piece supply matches the product title.
Installation is a chassis-level swap: remove wheel hubs and steering links as needed, fit the new steeringblocks, inspect pins and bearings for wear, and reassemble while ensuring free movement and correct centring. Check full suspension travel to prevent binding in the steering mechanism.
Steeringblocks affect steering geometry and response; replacing worn parts can restore proper toe and Ackermann characteristics and reduce play. After installation carry out basic alignment checks and make fine adjustments to steering links to dial in handling.
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