STONE Oval Narrow-Wide Chainring 110BCD 4-Bolt for SRAM Apex 1x – 36T to 60T, 9/10/11/12 Speed
Upgrade your road, gravel, or MTB drivetrain with the STONE oval narrow-wide chainring, engineered specifically for SRAM Apex 110BCD 4-bolt cranksets. CNC-machined from high-strength 7075-T651 aluminum, it combines stiffness, durability, and dependable chain retention for 1x drivetrain setups.
Product Features
- Brand: Stone
- BCD: 110BCD
- Mount type: 4-bolt
- Shape: Oval
- Tooth profile: Narrow-wide
- Drivetrain use: 1x only
- Material: High-strength 7075-T651 aluminum
- Material hardness: HB150
- Thickness: 4 mm
- Color: Black
- Surface treatment: Anodized finish
- Manufacturing process: High-speed CNC machining
- CNC precision: 0.03 mm
- Available teeth: 36T / 38T / 40T / 42T / 44T / 46T / 48T / 50T / 52T / 54T / 56T / 58T / 60T
Compatibility
Crankset Compatibility
This chainring is designed for SRAM Apex cranksets only. Please note:
- Designed for SRAM Apex 110BCD 4-bolt cranksets only
- Other 110BCD cranksets are not compatible
- Not suitable for non-Apex SRAM cranksets
- Please confirm your crankset model before ordering
Drivetrain Compatibility
This chainring is for 1x drivetrain use only. It is compatible with:
- 1x road bikes
- 1x gravel bikes
- 1x MTB setups
It is not compatible with 2x drivetrain setups, front derailleurs, or front shifting systems.
Chain Compatibility
Compatible with:
- 9 / 10 / 11 / 12-speed MTB chains
- 9 / 10 / 11-speed SRAM road chains
- 9 / 10 / 11 / 12-speed Shimano road chains
The default version is not compatible with SRAM AXS 12-speed Flattop chains. If you need a tooth profile compatible with SRAM AXS Flattop chains, please contact us before ordering — customization is available with an extra surcharge.
Important Notice Before Purchase
Please check the following carefully before placing your order:
- Your crankset is SRAM Apex 110BCD 4-bolt
- Your bike uses a 1x drivetrain
- You do not use a front derailleur
- Your chain type is compatible
- You do not need SRAM AXS Flattop compatibility unless ordering a customized version
This product is not suitable for 2x drivetrains, and other 110BCD cranksets will not fit. No refund or return will be accepted for wrong purchases caused by incorrect compatibility selection.
Size and Weight Chart
| Teeth | Max Diameter | Weight |
|---|---|---|
| 36T | 154 mm | 53 g |
| 38T | 162 mm | 63 g |
| 40T | 170 mm | 72 g |
| 42T | 178 mm | 75 g |
| 44T | 186 mm | 83 g |
| 46T | 194 mm | 90 g |
| 48T | 202 mm | 100 g |
| 50T | 210 mm | 108 g |
| 52T | 219 mm | 116 g |
| 54T | 226 mm | 130 g |
| 56T | 235 mm | 139 g |
| 58T | 242 mm | 147 g |
| 60T | 250 mm | 158 g |
Package Includes
- 1 x Chainring
- 4 x Aluminum chainring bolts
Advantages
- High-strength 7075-T651 aluminum
Made from premium 7075-T651 aluminum alloy, offering excellent stiffness, strength, and long-lasting durability. - Precision CNC machining
Manufactured with high-speed CNC machining and 0.03 mm processing accuracy for precise fitment and stable riding performance. - Reliable chain retention
The narrow-wide tooth profile helps keep the chain securely engaged, making it ideal for 1x road, gravel, and MTB drivetrain setups. - Oval design for efficient pedaling
The oval shape helps smooth the pedal stroke and may improve power delivery, climbing traction, and riding efficiency.
