Freeline Genuine Additional Seat Stay Support

Add rigidity and precision to your kart setup with the Freeline Genuine Additional Seat Stay Support. This genuine OEM component provides an extra mounting point between the seat and chassis, reducing seat flex for more consistent and responsive handling — particularly effective in high-grip track conditions. Available in six lengths (300–400mm) to suit a wide range of kart chassis configurations.

Key Features

• Genuine Freeline OEM part — built to exacting quality standards
• Additional seat mounting point — reduces seat flex for improved chassis response
• Available in 6 sizes — 300, 320, 340, 360, 380 & 400mm
• Wide multi-brand compatibility — suitable for many popular kart chassis
• Easy bolt-on installation — fits standard chassis seat stay mounting points
• Durable chrome steel construction — built for competitive racing

Technical Specifications

• Brand: Freeline
• Type: Additional Seat Stay Support
• Material: Chrome steel
• Available Lengths: 300, 320, 340, 360, 380, 400mm
• Compatibility: Wide multi-brand fitment — check mounting hole spacing against your chassis

Why Add an Extra Seat Stay?

Seat stays are a key tuning tool in kart setup. Adding an extra stay stiffens the rear of the chassis, reducing flex and increasing mechanical grip transfer. This is a go-to adjustment when the track is green or high-grip, helping prevent the kart from oversteering or becoming unpredictable under load. With a genuine Freeline part, you get factory-spec quality and reliable fitment race after race.

Supplied as a single additional seat stay support. Fixings may not be included — check your existing hardware before ordering.