Choosing the right swing arm can enhance stability, ride height, and control on rugged trails. This guide highlights five popular dirt bike swing arms designed for common 125cc to 200cc platforms, including SSR, Taotao, Apollo, and similar clones. Each option offers different lengths and adapters to fit 12″ or 14″-16″ rear wheels, helping riders tailor their bike to terrain and riding style.
| Product | Wheel Size Fit | Engine Range | Length / Axle |
|---|---|---|---|
| WPHMOTO 14″ Rear Swing Arm | 14″ rear wheels | 125cc-160cc Dirt Pit Bikes | 14″ length |
| ICONSPORTSS Heavy Duty Swing Arm | 14″ and 16″ rear wheels | 125cc-200cc Dirt Pit Bikes | 550mm length, 15mm axle |
| CWTD 450mm 12″ Rear Swing Arm | 12″ wheels | 70cc-125cc Dirt Pit Bikes | 450mm length |
| SUISUITONG 21″ Extended Swing Arm | 14″ and 16″ wheels | 125cc-200cc Dirt Pit Bikes | 21″ extended |
| Kemblawolf Heavy-Duty Rear Swing Arm | 12″ wheels | 70cc-150cc Dirt Pit Bikes | 440mm length |
Note: The selections cover a range of wheel sizes and engine capacities to help riders evaluate fitment, durability, and upgrade potential. Always verify compatibility with your specific model and axle type before purchase.
WPHMOTO 14″ Rear Swing Arm for 110cc-160cc Dirt Bikes
Condition: The swing arm is brand new. Package contents: 1x swing arm. Fitment covers 125cc-160cc Dirt Pit Bike 14″ rear wheels. This arm provides a straightforward upgrade for riders seeking a balance between strength and compatibility with existing 14″ setups.
ICONSPORTSS Heavy Duty Swing Arm
Durable iron construction delivers strong, long-lasting support for demanding off-road use. Designed to fit 125cc, 150cc, 160cc, and 200cc dirt pit bikes with 14″ or 16″ rear wheels, making it a versatile upgrade for riders comparing wheel options and performance gains. The 550mm length and 15mm axle provide a robust foundation for higher ride height setups.
CWTD 450mm 12″ Rear Swing Arm
Brand-new condition with 1x swing arm included. Compatibility covers 12″ rear wheels and engines from 70cc to 125cc. The 450mm length supports a mid-range wheelbase, potentially improving stability on rough trails and providing a balance between handling and suspension travel.
SUISUITONG 21″ Extended Swing Arm
Durable iron rear swing arm crafted for 125cc-200cc dirt pit bikes, enabling a seamless upgrade from 14-inch to 16-inch rear wheels. The heavy-duty design prioritizes stability and rider control, with a 10mm thread and 6201 bearings to ease installation and support reliable performance in varied terrains.
Kemblawolf Heavy-Duty 12-Inch Swing Arm
Designed for 12-inch wheels with a 12mm axle and 440mm length, this arm targets 70cc-150cc dirt pit bikes, including SSR, Apollo, and Taotao models. The robust iron construction provides high durability for challenging off-road conditions, with precise dimensions helping ensure a snug, secure fit.
Replacement 17-Inch Aluminum Extended Swingarm
Aluminum extended swingarm with a triangular design, engineered to fit dirt bikes that require a longer wheelbase. Compatible with a range of 125cc pit bikes and clones, including Honda CRF50 XR50 and SSR variants. The extended length aims to improve stability during aggressive riding and heavy cornering.
WPHMOTO 440mm Rear Swing Arm
Brand-new rear swing arm with 12mm axle compatibility for 12″ wheels, supporting 70cc-125cc dirt pit bike configurations. This option offers a compact alternative for riders prioritizing a shorter wheelbase and tighter handling characteristics on technical terrain.
Buying Guide: Key Considerations for Swing Arm Upgrades
- Wheel compatibility: Confirm whether the arm supports 12″, 14″, or 16″ rear wheels and the corresponding axle size (commonly 12mm). Mismatches can require adapters or additional parts.
- Engine compatibility: Ensure the swing arm is rated for your bike’s engine displacement (e.g., 70cc-125cc, 125cc-160cc, or up to 200cc). This can affect chain alignment and mounting points.
- Length and ride height: Longer arms raise the rear end, which can improve traction and weight distribution on rough terrain but may affect turning radius and ground clearance.
- Material and durability: Iron vs. aluminum offerings differ in weight and strength. Aluminum is lighter, while iron tends to be tougher for extreme trails.
- Installation and fitment: Look for arms with clear compatibility notes and included hardware (bearings, bolts, and mounting plates often matter for secure installation).
- Clones and compatibility: Many arms fit multiple brands (SSR, Apollo, Taotao, Taotao clones). Double-check the specific model and year compatibility.
- Maintenance: Regular inspection of mounting points, bearings, and axle fits helps prevent issues during rides and extends arm life.
- Performance goals: Decide whether you want more stability, taller ride height, or easier wheel upgrades, and pick a length and axle spec accordingly.
- Warranty and return policy: Prefer sellers offering warranty or reasonable return terms in case of fitment issues or defects.
Riders should cross-check the exact model year and chassis compatibility with the selected swing arm to ensure proper alignment with the bike’s chain, sprockets, and rear shock. When properly matched, a swing arm upgrade can deliver improved stability, better handling on rough trails, and more versatile wheel options for mixed-terrain riding.