The Kyosho W5312-38 spring set is a straightforward upgrade for RB7.5 users aiming for crisper handling. These springs feature a 1.2mm wire diameter and measure 5x44/3.8, offering a firmer support profile that helps with stability at speed. They are suited to drivers focused on consistent lap times and predictable chassis behaviour.
Kyosho designed the W5312-38 springs to hold their shape and maintain performance under repeated use. Their construction helps preserve suspension tune and reduces the need for frequent swaps, so you can spend more time on setup and less time replacing parts.
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