Whether restoring an old pit bike or building a rugged trail machine, a solid frame kit is essential. The following five products cover frame hardware, spacers, a complete gas frame, and compatible CRF50 body plastics for 50cc to 160cc dirt bikes. Use the table below to compare core uses at a glance and then dive into detailed product sections to determine the best fit for your build.
| Product | Brand | Core Use |
|---|---|---|
| Pit Bike Frame Bolts Nuts Kit Set | YD-PS001 | Frame hardware kit for 125cc–150cc PIT PRO and related bikes |
| 20pcs M12 Spacer Sleeve Bushings Kit | ADJUADN | Spacer sleeves and nuts for frame alignment and vibration control |
| Gas Frame Kit For Motorized Bicycles | CDHPOWER | 3.4L gas frame for 2-stroke and 4-stroke engines |
| CRF50 Plastics Kit For Pit Bikes | JIAXIMAN | CRF50 XR50 SSR plastics, fairings, and fenders |
| CRF50 Fender Kit Green For Pit Bikes | Podoy | Body fenders and bolt work for CRF50-based bikes |
Pit Bike Frame Bolts And Nuts Kit
This frame hardware kit targets frame integrity for a variety of 125cc to 150cc pit bikes. It emphasizes durable, high-tensile steel bolts designed to withstand rough terrain and resist corrosion. The kit is suitable for many PIT PRO Trail Dirt Bikes and other common models, simplifying maintenance by providing essential fasteners in one bundle. Proper installation helps preserve frame alignment, reduce loosening on jumps, and support longer service life for critical mounting points on rugged trails.
- High-tensile steel mounting bolts
- Compatibility with many PIT PRO and dirt bike models
- Durable construction for rough terrain
- Easy to install and maintain
M12 Spacer Sleeve Bushings Kit For Pit Bikes
This comprehensive steel bushing kit includes 17 bushings in various lengths and 3 M12 lock nuts. It’s designed to minimize unwanted movement and vibrations while maintaining precise alignment across the frame. The spacers are rust-resistant and built to endure outdoor use, making them suitable for a wide range of pit bikes, mopeds, ATVs, and mini bikes. With a broad size range from 5mm to 35mm, the kit supports many project scales and models.
- Includes 17 bushings and 3 lock nuts
- Anti-rust steel construction
- Sizes from 5mm to 35mm
- Helps reduce movement and vibration
Gas Frame Kit For Motorized Bicycles
The CDHPOWER gas frame is designed for 2-stroke and 4-stroke engines, offering a built-in 3.4L gas frame for motorized bicycles. It specifies headset, bottom bracket, seatpost, and other dimensional requirements to ensure compatibility with your build. Suitable for riders seeking a complete frame solution, this kit focuses on structural integrity and fit for power-equipped bikes. It’s important to verify compatibility with your engine size and the overall frame geometry before installation.
- Fits 2-stroke and 4-stroke engines
- Integrated 3.4L gas frame
- Specified headset, bottom bracket, and seatpost dimensions
- Designed for motorized bicycles and frame builders
CRF50 Plastics Kit For Pit Bikes
This plastics kit covers CRF50 XR50 SSR and similar 50cc to 160cc dirt bikes, providing fairings and fenders designed for CRF50-style frames. Made from ABS with good elasticity and heat resistance, the kit promises a durable, stylish appearance. A protective surface film helps ensure the product arrives in pristine condition. While focused on aesthetics, the plastics also contribute to aerodynamics and overall bike protection during trail rides.
- Compatible with CRF50 and similar models
- ABS material with heat and water resistance
- Elastic, durable construction; protective surface film
- Includes fairings and fenders for a complete look
CRF50 Body Fender Kit Green For Pit Bikes
The Podoy CRF50 Fender Kit Green provides CRF50 XR50 SSR-compatible plastic fairings with bolt work for a clean, secure fit. The kit is designed to fit CRF50-based pit dirt bikes and similar models, offering a visually striking green color option. Made from ABS plastic, it emphasizes durability and heat resistance while delivering a refreshed, stylish appearance for outdoor adventures.
- Universal fit for XR50 CRF 50 SSR Pit Dirt Bikes
- Plastic ABS with good elasticity and heat resistance
- Green color option with bolt-on fairings
- Durable and visually appealing for outdoor use
Buying Guide
Choosing the right pit bike frame kit involves balancing compatibility, build quality, and installation effort. Focus on parts that directly affect frame integrity, alignment, and the overall build finish. Consider whether you need a complete frame solution or modular components that can be mixed with existing parts. Evaluate each item’s material, corrosion resistance, and warranty where available.
Compatibility and Fit
Confirm model compatibility with your bike’s frame and engine. Frame bolts and spacers must align with mounting points and thread sizes. For CRF50-based builds, verify plastics and fender kits match XR50, SSR, and related variants. When in doubt, compare the stated model range to your bike’s specs and consult manufacturer guides or community forums for install notes.
Hardware Quality and Materials
Invest in kits made from high-tensile steel or engineering-grade plastics designed for outdoor exposure. Rust resistance, heat tolerance, and impact durability directly influence ride safety and longevity. ABS plastics are common for fairings, while steel components should resist stripping and wear across repeated assembly and disassembly.
Installation and Tools
Review the included installation requirements. Some frame kits are straightforward bolt-ons, while others may require additional hardware or specialized tools. Consider whether you need full kit coverage or individual pieces, and assess your available tools, time, and mechanical skill for a clean, secure installation.
Value, Brand Reliability, and Support
Compare total content versus cost and evaluate brand reputation. A kit that bundles essential items (bolts, spacers, fairings) typically saves time and reduces the risk of missing pieces. Look for transparent product details, clear compatibility notes, and accessible customer support in case you need replacements or guidance.
Practical Recommendations
- For frame integrity and alignment, prioritize a dedicated frame bolts kit and spacer set from reputable brands.
- Pair a CRF50 plastics kit with a matching fender kit to ensure consistent aesthetics and fit.
- When adding power with a gas frame, verify engine compatibility and dimensional requirements before purchasing.
- Match color or finish options to your bike for a cohesive look and improved resale value.