FTX Tracker Chassis Mount

The Kyosho Optima Mid Legendary Series – Koswork Edition (K.30622KE) brings back the founding father of modern 4WD racing buggies, updated to accommodate today’s electronics while preserving the iconic look and layout of the original. With a mid-motor, belt-driven drivetrain and a rigid 6061-T6 aluminium chassis, this faithful recreation delivers efficient, stable performance on modern tracks.

This special Koswork Edition elevates the platform with premium carbon components and reinforced hardware, paired with period-correct styling. It’s a kit for enthusiasts who value heritage engineering, refined with contemporary materials and tuning scope.

Koswork Edition includes

• Koswork Carbon Side Plate
• Koswork Carbon Suspension Holders
• Koswork Carbon Rear Camber Link Mount
• Koswork Carbon Rear Shock Tower
• Koswork Carbon Front Shock Tower
• Koswork Universal Drive Shafts
• Koswork Turnbuckle Set HD

Key features

• Recreation of the celebrated 1980s 4WD racing buggy, updated for modern R/C electronics and power systems
• Belt-type 4WD system for high drive efficiency and composure on low-grip surfaces
• 48-pitch pinion and 82T spur gear; also supports optional 78T / 80T spurs
• Reinforced slipper clutch to suit powerful brushless motors
• Battery holder accommodates various pack types; hook-and-loop strap included
• New wheels in the original Optima Mid design with Turbo Optima tyres for strong grip
• Reinforced nylon rear wing (shared with Javelin) with three angle settings
• Blister packaging evokes the vintage build experience
• Wide range of option parts available for tuning and upgrades
• Gold anodised threaded oil shocks and FRP shock stays
• 6061-T6 aluminium countersunk main chassis
• Moulded resin belt covers with an easily adjustable belt tensioner
• Full ball bearings and hex hardware throughout
• Adjustable toe-angle rear hubs
• Updated steering bellcrank with integrated servo saver
• Strengthened suspension arms with stabiliser mounts
• 12 mm hex drive with locking pin
• 2.2" one-piece wheels and clear body with decals to recreate the original design

Technical data

• Length: 375 mm
• Width: 244 mm
• Height: 142 mm
• Wheelbase: 255 mm
• Tread (F/R): 208 mm
• Approx. weight: 1,600 g (with 7.2 V 4000 LiPo)
• Tyres (F/R): 82 x 36 mm
• Motor: 540 size (sold separately)
• Gear ratio: 8.28:1

Kit contents

• Kit chassis
• Tyres
• Wheels (white)
• Clear body
• Wing (white)
• Mask sheet
• Decals
• Hex wrench
• Cross wrench
• Shock wrench
• Grease
• Shock oil

Required for operation

• 2-channel R/C system
• Steering servo
• 540 motor
• ESC
• Battery for chassis (7.4 V NiMH or 7.4 V LiPo)
• Suitable charger
• Batteries for transmitter