Yokomo BM-S172A 1.7mm X Shock Piston - Dual Hole B-MAX Upgrade  [BM-S172A]

Fine Tuning with Yokomo BM-S172A X Shock Piston

The Yokomo BM-S172A shock piston is a must-have for hobbyists who set up and tune B-MAX chassis. Its 1.7mm dual-hole layout delivers predictable damping on both compression and rebound, helping the car feel smoother and more controlled across different track conditions.

Optimised Damping for B-MAX Chassis

Made to fit B-MAX series vehicles, the BM-S172A works with many compatible models to refine handling without changing major components. It is useful for both track sessions and weekend driving when you want firmer, more consistent shock response.