Heavy Duty Rear Swingarm for 16" 18" Wheels Dirt Bike Motorcycle, Aluminum Rear Swing Arm Extended Off Road Swingarm Rear Fork for Custom Pit Bike Motocross Conversion 150cc 200cc 250cc 300cc
Heavy Duty Motorcycle Rear Swingarm Upgrade ( For vertical engine only) High-strength metal construction with reinforced welding provides excellent rigidity and durability for off-road riding, motocross use, and custom motorcycle builds.
Extended Swing Arm Design for Stability Overall length approx. 590mm (23.2"), designed to improve wheelbase stability, straight-line control, and suspension performance for high-speed or rough terrain riding.
Reverse Shock Mount Bracket Design Integrated reverse shock absorber mounting position allows flexible suspension geometry adjustment, improving shock travel response and ride comfort on uneven surfaces.
Precision Machined Mounting Dimensions Multiple accurately drilled mounting holes (Ø8.5mm / Ø12mm / Ø15mm) ensure secure installation, proper alignment, and compatibility with various axle and suspension setups.
Fit for Custom Motorcycle Projects with Vertical Engines, Like CRF110,SSR Apollo Thumpstar Kayo Vertical Engine Models Suitable for 16” / 18” wheel dirt bikes, pit bikes, off-road motorcycles, and DIY custom motorcycle conversions. Ideal replacement rear swing arm for modified builds.
Description
Upgrade your motorcycle suspension system with this heavy duty rear swingarm, designed for 16 icnh and 18 inch rear wheel off-road motorcycles with vertical engine, dirt bikes, pit bikes, and custom builds.
Built from high-strength metal with reinforced welding joints, this swing arm delivers superior rigidity, impact resistance, and long-term durability for aggressive riding conditions. The extended swingarm structure (approx. 590mm / 23.2”) enhances wheelbase stability, improves handling, and provides better traction control at high speed or on rough terrain.
The integrated reverse shock mount bracket allows flexible suspension setup options, helping riders optimize shock angle, travel, and ride comfort. Precision-machined mounting holes ensure accurate fitment and reliable installation.
Perfect for riders looking to replace worn factory swingarms or build a custom off-road motorcycle project.
⚠️ Please carefully verify all size measurements and mounting positions before purchasing.✅ SpecificationsProduct Type: Rear Swing Arm / Rear Fork
Application: Dirt Bike / Pit Bike / Off-Road Motorcycle / Custom Build
Wheel Size Compatibility: 16” / 18”
Overall Length: Approx. 590mm (23.2")
Main Arm Length: Approx. 525mm (20.7")
Axle Width: Approx. 205mm (8.1")
Mounting Hole Sizes: Ø8.5mm / Ø12mm / Ø15mm
Shock Mount Spacing: Approx. 48mm (1.9")
Finish: Silver
Installation: Bolt-on (hardware included as shown)
✅ Package Includes1 × Rear Swingarm Assembly
Mounting Bolts (as shown in picture)