When looking for the best budget cross-country (XC) crankset, it’s essential to consider factors like weight, stiffness, durability, and compatibility with your bike's drivetrain. Here are some excellent options that balance performance and affordability:

### Best Budget XC Cranksets

1. **Shimano Deore FC-M6100**
   - **Type**: 12-speed, 1x or 2x options.
   - **Weight**: Approximately 790g (for the 1x setup).
   - **Features**: The FC-M6100 offers excellent value with its durable construction and smooth shifting performance. It features Hollowtech II technology for better stiffness-to-weight ratio and is compatible with Shimano 12-speed systems.
   - **Price Range**: $100 - $150.

2. **SRAM NX Eagle DUB**
   - **Type**: 12-speed, 1x setup.
   - **Weight**: Around 800g.
   - **Features**: The NX Eagle crankset is designed for budget-conscious riders looking to upgrade to a 1x drivetrain. It provides reliable performance and features DUB bottom bracket technology for improved durability and ease of installation.
   - **Price Range**: $110 - $140.

3. **Race Face Aeffect**
   - **Type**: 1x setup, available in various chainring sizes.
   - **Weight**: Approximately 800g.
   - **Features**: The Aeffect crankset offers a good balance of strength and weight, making it suitable for XC and trail riding. It features a sturdy aluminum construction and is available in different lengths to suit various rider preferences.
   - **Price Range**: $100 - $130.

4. **FSA V-Drive**
   - **Type**: 1x or 2x options.
   - **Weight**: Approximately 800g (for the 1x version).
   - **Features**: This crankset offers a durable aluminum design, making it a solid choice for XC riders. The FSA V-Drive is compatible with various bottom brackets and comes in multiple chainring sizes.
   - **Price Range**: $90 - $120.

5. **Truvativ Stylo 6K**
   - **Type**: 1x or 2x options.
   - **Weight**: Approximately 780g.
   - **Features**: The Stylo 6K crankset provides a solid performance with good stiffness and lightweight characteristics. It is a versatile crankset suitable for XC and trail riding, featuring an aluminum construction.
   - **Price Range**: $80 - $120.

### Factors to Consider

- **Compatibility**: Ensure the crankset is compatible with your bike's bottom bracket and drivetrain (1x vs. 2x).
- **Chainring Size**: Consider the chainring sizes available and what will suit your riding style and terrain.
- **Length**: Crank arm length can affect pedaling efficiency and comfort. Choose a length that fits your riding style and body geometry.
- **Weight vs. Durability**: Striking a balance between lightweight materials and durability is crucial for XC riding.

### Conclusion

These budget XC cranksets provide excellent performance without breaking the bank. Depending on your specific needs, riding style, and compatibility with your bike, any of these options can enhance your XC riding experience. Be sure to check for any current promotions or discounts at your local bike shop or online retailers to find the best deals!