3Racing S3M165 - SAK-F78B FFEX Belt System Replacement  [SAK-F78B]

Upgrade KIT-FFEX Drive with 3Racing S3M165 - SAK-F78B

The 3Racing FFEX S3M165 - SAK-F78B belt is engineered for the KIT-FFEX Belt System to give consistent torque delivery and dependable operation for track-oriented RC models. Its design focuses on steady performance under race conditions to keep lap times consistent.

Built for Tough Racing

Made from durable materials, the S3M165 belt resists wear from high-load use and frequent sprint sessions. The construction promotes lasting service life and reduces the time spent swapping belts between events.

Fitment and Setup

Specifically matched to the KIT-FFEX Belt System, this S3M165 belt installs cleanly and holds tension well once fitted. Whether replacing a worn belt or upgrading for more consistent drive, the S3M165 - SAK-F78B balances flexibility and strength for everyday race use.