Pit bikes require precise wheel alignment and hub spacing to ensure smooth handling and safe riding. The right rear wheel spacers help accommodate different axle diameters and wheel offsets across various 50cc to 160cc dirt bikes. This guide highlights five dependable rear wheel spacer sets and related components to help you choose the best option for your pit bike’s axle size and model. Each entry includes fit notes, material considerations, and compatibility to aid informed purchasing decisions.
| Product | Brand | Axle Size | Key Fit Notes |
|---|---|---|---|
| PIT PRO Trail Dirt Bike 15mm Wheel Spacer Set | Greesp | 15mm (outside diameter 22mm; inside 15mm) | Includes spacers for 18mm/18mm/25mm/28mm configurations; suitable with 15mm axle |
| 12mm 220mm Rear Wheel Rim Axle With Spacers | Greesp | 12mm axle; 220mm length | Fits XR/CRF 50 and clones; Chinese dirt bikes; 220mm axle length |
| sthus 15mm 255mm Rear Wheel Axle With Spacers | sthus | 15mm axle; 255mm length | Compat with 110cc–160cc Pit Dirt Bikes; 15mm spacers |
| 15mm Front Rear Wheel Axle Spacers For Chinese Pit PRO Trail Dirt Bike | YD-PS001 | 15mm | Rear axle spacers; includes 25mm/34mm spacers variants |
| Amavoler 12mm 210mm Rear Wheel Axle With Spacers | amavoler | 12mm axle; 210mm length | Aftermarket replacement parts; suitable for pit bikes, mopeds, quads |
Note: The selections above cover common rear-wheel spacer sizes and compatible axle diameters across a range of popular pit bike models. When choosing spacers, verify your bike’s axle diameter, hub offset, and wheel width to ensure a proper fit and reliable operation.
PIT PRO Trail Dirt Bike 15mm Wheel Spacer Set
Greesp’s Pit PRO Trail spacer set is designed for 15mm axles, offering an outside diameter of 22mm and an inside diameter of 15mm. The configuration supports multiple common spacer widths (18mm, 25mm, 28mm), making it versatile for bikes that require precise rear hub alignment and extended wheel bases. This kit helps maintain stability on rugged trails or track surfaces, aligning the wheel with the frame and swingarm geometry.
12mm 220mm Rear Wheel Rim Axle With Spacers
Greesp’s 12mm rear axle option is designed for XR/CRF 50 models and their clones, with compatibility for many 50cc–70cc to 125cc dirt bikes. The 220mm length provides flexibility for longer axles or adjusted wheel positions. This setup supports stable alignment across front and rear wheels, particularly when upgrading or customizing small-bore dirt bikes for better handling on uneven terrains.
TDPRO 6202 RS Ball Bearings With Rear Spacers
TDPRO’s bearing and spacer kit focuses on 12mm front and rear wheel spacers with compatible bearings. The package includes two bearings and a rear spacer, providing essential components for maintaining wheel alignment and reducing play between the axle, spacers, and wheel hub. This kit is suitable for 12mm axles common on many small-displacement dirt bikes and pit bikes, contributing to smoother rotation and longer bearing life.
sthus 15mm 255mm Rear Wheel Axle With Spacers
sthus offers a 15mm rear axle with spacers tailored for 110cc–160cc pit dirt bikes. The 255mm length and 15mm diameter accommodate standard rear hub assemblies and provide a reliable base for ensuring proper wheel alignment, reducing side-to-side play, and improving stability under acceleration and braking. Weight is kept reasonable, aiding overall bike balance during rugged riding scenarios.
15mm Front Rear Wheel Axle Spacers For Chinese Pit PRO Trail Dirt Bike
YD-PS001 provides 15mm rear wheel axle spacers compatible with Chinese-made pit bikes in the 110cc to 160cc range. The kit notes a rear axle length of 235mm (roughly 9.25 inches) and includes spacer configurations suitable for maintaining proper track width and alignment under varying ride conditions. This option supports replacements and upgrades for older or worn spacers where hub fit is critical to performance.
Amavoler 12mm 210mm Rear Wheel Axle With Spacers
Amavoler offers a 12mm axle with spacers designed for pit bikes, mopeds, scooters, and mini bikes. The 210mm length fits a broad range of rear hubs and ensures compatibility with common 12mm axle standards. These spacers are marketed as reliable aftermarket replacements designed to extend component life and maintain precise wheel alignment without extensive modification.
15mm 240mm Front Rear Wheel Axle Spacers For XR CRF 50
Greesp’s 15mm wheel axle spacers kit is designed for XR/CRF 50 models and dirt bikes ranging from 70cc to 160cc. With an axle length of 240mm and a 15mm diameter, this set aims to deliver a snug fit for stable hub alignment, reducing flex under load and improving handling on rugged tracks and trails. It is a practical option for riders seeking straightforward compatibility with popular XR/CRF frames.
Buying Guide: Key Purchase Considerations
- Axle diameter and length: Confirm whether your bike uses 12mm or 15mm axles and the required axle length. Mismatches can cause binding, excessive wear, or unsafe riding conditions.
- Offset and hub compatibility: Check the wheel hub offset and whether spacers accommodate the bike’s brake rotor, caliper clearance, and chain alignment.
- Material and finish: Look for corrosion-resistant materials such as steel or anodized aluminum. Consider coatings that resist mud, water, and grit for durability in off-road use.
- Complete kit vs. individual spacers: Some sets include bearings and sleeves; others are spacer-only. A complete kit can simplify installation and reduce the risk of missing components.
- Bike model compatibility: Verify model-specific fit (XR/CRF 50, 110–160cc dirt bikes, Chinese pit bikes) to ensure proper clearance and alignment with your frame geometry.
- Ease of installation: Prefer spacer sets with clear sizing and straightforward installation steps. Proper torque settings are essential for axle nuts and spacers.
- Maintenance considerations: After installation, periodically check spacer integrity, bearing play, and axle torque to maintain performance and safety.
- Price vs. durability: Compare material quality, included components, and warranty where available to balance upfront cost with long-term reliability.
In choosing rear wheel spacers for pit bikes, prioritize precise fit for your axle size, compatibility with your hub and brake components, and durability under off-road conditions. The options listed provide a range of sizes and configurations designed to support stable handling, proper wheel alignment, and long-term wear resistance across common pit bike models.