The Kyosho UB013 aluminum rear hub carrier is engineered for a clean fit on the Ultima RB7.5, delivering a solid replacement to factory parts. Its careful machining helps retain intended geometry and reduces unwanted flex.
Switching to an aluminum carrier like the UB013 improves resistance to impacts and wear compared to plastic units. That durability supports more consistent handling across long race sessions.
Designed specifically for the Ultima RB7.5, this carrier installs using standard hardware and common RC tools. Check alignment after fitting to confirm toe and camber remain within your setup targets.
Aluminium gives a good balance between stiffness and weight, making it a preferred upgrade for builders who want a reliable rear platform without heavy tradeoffs.
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