Koswork Kyosho Rear 1.0/1.1/1.3/1.4mm Mid Optima RC Anti-Roll Bar Kit - KOS04305-RBAR

The Koswork KOS04305-RBAR rear anti-roll bar kit is a tuning and replacement stabilizer set designed specifically for the Kyosho Mid Optima buggy. It includes four bar thicknesses — 1.0mm, 1.1mm, 1.3mm, and 1.4mm — giving you genuine flexibility to dial in the rear roll stiffness to suit different track surfaces and driving styles. Whether you're replacing a bent or broken stabilizer bar or experimenting with setup changes, this kit covers a useful range of spring rates in a single purchase.

Key Features

• Four rear anti-roll bar thicknesses included: 1.0mm, 1.1mm, 1.3mm, and 1.4mm
• Allows fine adjustment of rear roll stiffness to suit different track conditions and driver preference
• Direct-fit design for the Kyosho Mid Optima — no modification required
• Useful as both a replacement for worn or damaged bars and as a tuning resource for setup experimentation
• Manufactured by Koswork, a specialist in precision RC tuning and replacement parts

What's Included

• 1.0mm rear anti-roll bar
• 1.1mm rear anti-roll bar
• 1.3mm rear anti-roll bar
• 1.4mm rear anti-roll bar

What You Need

• Kyosho Mid Optima buggy (sold separately)
• Standard RC hand tools for installation (e.g. hex drivers or pliers as required by your specific build)