Consistency on track starts with reliable springs. The Kyosho W5313-20 set fits the RB7.5 and uses a 1.2mm wire with 9.25x61 measurements to deliver stable compression and rebound characteristics for repeatable cornering.
Built to take repeated impacts and continued setup work, these springs keep their rate over many sessions. They are a sensible upgrade or replacement part for racers seeking dependable handling with minimal maintenance.
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