Finding the right swing arm for a mini dirt bike is essential for optimal clearance, balance, and performance. The following five Amazon options focus on rear swing arms and related components designed for 12″ rear wheels and engines from 50cc up to 125cc. The selections include direct replacement swing arms, complete assembly kits, and compatible mounting accessories that support mini dirt bikes and pit bikes. This guide emphasizes compatibility, material quality, weight ratings, and installation considerations to help buyers choose confidently.
| Product | Brand | Key Advantage | Compatibility Notes |
|---|---|---|---|
| CWTD Rear Swing Arm | CWTD | Direct replacement for 12″ rear wheels | 70cc–125cc dirt pit bikes |
| YC Yier Rear Swingarm With Disc Brake Assembly | YC Yier | Includes disc brake capability | Mini dirt pit bikes with 50cc–125cc engines |
| MaxxHaul 4-Bike Hitch Rack | MAXXHAUL | Versatile transport for multiple bikes | Fits standard 2″ hitch receivers |
| StoreYourBoard 2-Bike Wall Mount | StoreYourBoard | Space-saving wall storage with 120° swivel | Tires up to 2.6″ wide, up to 29″ diameter |
| AA Products 3-Bike Platform Hitch Rack | AA Products Inc. | Three-bike capacity with foldable design | 2″ hitch receivers |
CWTD Rear Swing Arm for 70-125cc Dirt Bikes
- Condition: The swing arm is brand new.
- Package Contents: Includes 1x swing arm, as depicted in pictures.
- Compatibility: Designed to fit Dirt Pit Bikes with 12″ rear wheels and engines from 70cc to 125cc.
This CWTD swing arm provides a direct replacement option for riders seeking to restore or upgrade the rear suspension linkage on small-displacement dirt bikes. The 12″ rear wheel compatibility targets common mini pit bikes, enabling improved alignment and potential handling benefits when paired with compatible swing arm bushings and mounting hardware. Installation requires standard motorcycle tools and careful alignment to ensure proper chain tension and rear wheel clearance.
YC Yier Rear Swingarm With Disc Brake Assembly
- Fit For 50cc–125cc disc-brake mini dirt pit bikes
- 2.5-10 front wheel size and 3.00-10 rear wheel size compatibility
- Disc brake assembly included for improved braking performance
The YC Yier rear swingarm with disc brake assembly provides a robust upgrade for riders who want enhanced braking within a compact chassis. This kit is designed for bikes in the 50cc to 125cc range, and it accommodates common tire sizes for mini dirt bikes. Assemblies like this require precise alignment of the swingarm, brake caliper, and brake line routing. When installing, verify that the frame, swingarm pivot, and chain alignment are clean and free of debris to maintain reliable operation and consistent brake response.
MaxxHaul 4-Bike Hitch Rack
- Secure Bike Transportation: Up to 4 bikes with a 150 lbs towing capacity and a hitch pin included.
- Reflector for added safety during travel.
- Swing-Down Feature: Provides easy access to the rear of the vehicle.
- Easy Installation: Quick mounting with adjustable arms and straps for multiple bikes.
The MaxxHaul 70210 hitch rack offers a practical solution for transporting multiple bikes at once, which can be useful for riders who travel with pit bikes or small dirt bikes to events or trails. While not a direct swing arm component, it complements a mini bike setup by enabling reliable transport. Ensure your vehicle’s hitch class supports the rack’s weight and that the combined weight of bikes stays within the trailer hitch and vehicle limits. Regularly check the rack pins, straps, and reflective components before trips.
StoreYourBoard 2-Bike Wall Mount Swivel Rack
- WALL-MOUNTED BIKE STORAGE: Frees floor space by storing bikes flat against the wall.
- 120° Swivel Design with Integrated Stopper: Locks the bike securely at multiple angles.
- Heavy-Duty Construction: Powder-coated steel, no plastic parts, gentle on rims.
- Compatibility: Fits tires up to 2.6″ wide and up to 29″ diameter; supports bikes of various types.
This StoreYourBoard wall-mount rack emphasizes space-saving storage for bikes in garages or apartments. The 120° swivel design helps users park bikes in tight spaces while keeping the bike securely in place with a stopper. The all-steel construction minimizes flex and reduces the risk of damage to rims during storage. While marketed for two bicycles, the described capacity focuses on compatibility and safe storage rather than automatic two-bike support; verify mounting height and stud spacing for your specific wall surface before installation.
AA Products 3-Bike Platform Hitch Rack
- CAPACITY: Heavy-duty steel rack capable of carrying up to 120 lbs total load.
- ADAPTATION: Designed to transport 3 bikes and fits 2″ hitch receivers.
- FOLDABLE: Swing-down feature enables rear access when not in use; arms fold quickly for storage.
The AA Products 3-bike platform hitch rack highlights a robust option for multi-bike transport with a focus on stability and ease of use. Suitable for cars, trucks, SUVs, and minivans with 2″ hitch receivers, this rack emphasizes durability and practical folding to minimize space when not transporting bikes. When using a multi-bike rack, distribute weight evenly and secure each bike with the included straps to prevent shifting during transit. Regularly inspect the mounting hardware and anchor points before long trips.
Buying Guide
When choosing a mini bike swing arm or related accessory, assess several key considerations. First, determine compatibility by confirming wheel size (commonly 12″ on many mini bikes) and engine displacement (often 50cc–125cc). For swing arms, verify pivot spacing, chain tension adjustments, and mounting hardware compatibility with your frame. Materials matter: steel components provide strength, while aluminum can reduce weight but may require specific tolerances. For storage or transport, evaluate load capacity, mounting method (wall mount vs. hitch), and safety features such as wheel protectors and locking mechanisms.
Balance performance and practicality. A direct swing arm replacement is ideal for restoring alignment and stability, while a disc-brake-enabled swing arm adds braking reliability on some models. If you frequently travel with bikes, a hitch rack offers convenience; ensure your vehicle supports the weight and that bikes are securely strapped to avoid movement. Consider installation ease, maintenance needs (bolt torque, lubrication), and warranty coverage when selecting parts. Finally, compare total cost against long-term durability and potential upgrade paths, such as compatible pit bike frames or wheel assemblies.
Perspective-wise, riders prioritizing on-track performance may favor a precisely engineered swing arm with proper pivot alignment and chain tension behavior. Weekend enthusiasts focused on storage and transport may prefer wall-mounted racks or hitch racks that maximize space and allow quick access. For both audiences, cross-check seller compatibility notes, return policies, and product reviews to confirm real-world fit and long-term reliability relative to your specific mini bike model.