STONE 96BCD Round Narrow-Wide Chainring for FSA K-Force Light 2020 (30T–42T, 7075 Aluminum)
Upgrade your 1x drivetrain with the STONE 96BCD round narrow-wide chainring, engineered specifically for the FSA K-Force Light 2020 crankset. Precision CNC machined from 7075-T651 aluminum, it delivers dependable chain retention and long-lasting performance for road, gravel, and mountain riding.
Product Features
- Brand: STONE
- Product: 96BCD round narrow-wide chainring
- BCD: 96mm
- Shape: Round
- Material: High-strength 7075-T651 aluminum
- Material hardness: HB150
- Thickness: 4mm
- Color: Black
- Surface treatment: Anodized finish
- Processing: High-speed CNC machining with 0.03mm precision
- Available teeth: 30T / 32T / 34T / 36T / 38T / 40T / 42T
- Chain compatibility: 9 / 10 / 11 / 12-speed chains (not for AXS flattop chain or T-type chain)
Compatibility
This chainring is designed specifically for the FSA K-Force Light 2020 crankset with 96BCD mounting. It is not compatible with other crank models.
Please confirm your crank model and BCD before purchase. The chainring installs using the original bolt hole positions and is secured with the original chainring bolt caps.
Drivetrain Compatibility
This is a narrow-wide single chainring, designed for 1x drivetrain systems only.
It is not suitable for 2x or 3x drivetrains and does not support front derailleur shifting.
Chain Compatibility
This chainring supports 9 / 10 / 11 / 12-speed chains. It is not compatible with AXS flattop chains or T-type chains.
Notice for Shimano 12-Speed Chains
If using a Shimano 12-speed chain, replace the original Shimano 12-speed quick link with another compatible 12-speed quick link, such as KMC, YBN, SUMC, or another suitable brand.
The original Shimano 12-speed quick link may be too narrow for this chainring.
Size and Weight
| Teeth | Max Diameter | Weight |
|---|---|---|
| 30T | 130mm | 43g |
| 32T | 138mm | 45g |
| 34T | 146mm | 51g |
| 36T | 154mm | 60g |
| 38T | 162mm | 68g |
| 40T | 170mm | 72g |
| 42T | 178mm | 79g |
Weight may vary slightly due to production batches and measurement methods.
Package Includes
- 1 × STONE 96BCD narrow-wide chainring
- 4 × Steel chainring bolts
Installation Notes
- Install the chainring in the original bolt hole positions and secure it with the original chainring bolt caps.
- Larger chainrings may interfere with the bike frame. Check clearance carefully during installation.
- The supplied chainring bolts are made of steel.
- Chainrings with different tooth counts may have slight variations in appearance.
Advantages
High-Strength 7075-T651 Aluminum
Made from premium 7075-T651 aluminum alloy for excellent stiffness, durability, and wear resistance.
Precision CNC Machining
High-speed CNC machined with 0.03mm accuracy for precise fitment and stable performance.
Narrow-Wide Tooth Design
Helps improve chain retention and reduce chain drop on 1x drivetrains.
Anodized Surface Finish
Provides better corrosion resistance and a clean, premium appearance.
Multiple Tooth Options
Available in 30T to 42T sizes to suit different riding styles and gear preferences.

