For hobbyists who work on RC models, the XRAY #971031 Silicone O-Ring set is a practical spare parts choice. The rings are 3.1mm in outside diameter with a 1.6mm cross section and are intended to slide over 3mm shafts, forming a tight seal in many common RC assemblies.
This set of ten O-rings is ideal for replacing worn seals on shocks, shaft collars and drivetrain linkages. They help prevent leaks and reduce play, keeping moving parts operating smoothly during routine maintenance and track sessions.
Produced from flexible silicone, these O-rings resist abrasion and retain elasticity through repeated cycles, making them suitable for everyday hobby use as well as club competition environments.
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