STONE 96BCD Round Narrow-Wide Chainring for Shimano M782 M612 M4000 XTC820 – 32–48T, 7075 Aluminum, 1x MTB
Upgrade to a dependable 1x drivetrain with the STONE 96BCD round narrow-wide chainring, built for MTB riding. Precision CNC-machined from high-strength 7075-T651 aluminum, it combines stiffness, durability, and reliable chain retention for smooth, consistent performance on the trail.
Product Features
- Brand: STONE
- Product: 96BCD round narrow-wide single chainring
- BCD: Symmetrical 96BCD
- Shape: Round
- Material: High-strength 7075-T651 aluminum
- Hardness: HB150
- Thickness: 4 mm
- Surface treatment: Anodized finish
- Processing: High-speed CNC machining
- CNC precision: 0.03 mm
- Color: Black
- Available teeth: 32T / 34T / 36T / 38T / 40T / 42T / 44T / 46T / 48T
Compatibility
This chainring is designed for symmetrical 96BCD Shimano MTB cranksets. It fits the following crank models:
| Compatible Shimano Cranksets |
|---|
| M782 |
| M612 |
| M622 |
| M672 |
| M523 |
| M3000 |
| M4000 |
| M4050 |
| XTC820 |
| M7000-10-3 |
Not compatible with Shimano M6000, M7000, M8000, or M9000 cranksets.
Before purchasing, please verify your crank’s BCD and mounting shape. This chainring is made for symmetrical 96BCD cranks only and does not fit asymmetric 96BCD cranksets.
Chain Compatibility
This chainring works with most 9–12 speed chains:
- 9 / 10 / 11 / 12-speed MTB chains
- 9–11 speed SRAM road bike chains
- 9–12 speed Shimano road bike chains
It is not compatible with SRAM AXS 12-speed Flattop chains. If you need a tooth profile for SRAM AXS Flattop compatibility, contact us for customization—extra customization fees may apply.
Notice for Shimano 12-Speed Road Chains
When using Shimano 12-speed road chains, the original Shimano quick link may be too narrow. Please replace it with a 12-speed quick link from KMC, YBN, SUMC, or another compatible brand.
1x Drivetrain Only
This is a narrow-wide single chainring designed exclusively for 1x drivetrain systems.
It is not suitable for 2x or 3x drivetrains and does not support front derailleur shifting.
Size and Weight
| Teeth | Weight | Max Diameter |
|---|---|---|
| 32T | 40 g | 137 mm |
| 34T | 48 g | 145 mm |
| 36T | 61 g | 153 mm |
| 38T | 60 g | 161 mm |
| 40T | 71 g | 169 mm |
| 42T | 78 g | 177 mm |
| 44T | 86 g | 185 mm |
| 46T | 99 g | 193 mm |
| 48T | 112 g | 201 mm |
Weight may vary slightly depending on production batch and measurement method.
Package Includes
- 1 × STONE 96BCD narrow-wide chainring
- 4 × Chainring bolts
Advantages
- Premium 7075-T651 Aluminum — High-strength alloy construction delivers excellent stiffness, durability, and wear resistance.
- Precision CNC Machining — Machined to 0.03 mm accuracy for stable performance and precise fitment.
- Narrow-Wide Tooth Design — Improves chain retention and reduces the risk of chain drop on 1x drivetrains.
- Anodized Surface Finish — Offers better corrosion resistance and a clean, premium appearance.
- Wide Tooth Options — Available from 32T to 48T to suit different riding styles, terrain, and gear preferences.

