This STONE direct mount chainring is designed for SRAM 8-bolt direct mount cranksets, including SRAM Force, Red, Rival DUB, and XPLR crank systems.
It is available in two tooth profile options:
- Standard Version: for ordinary 9–12 speed chains
- AXS Version: for SRAM 12-speed AXS Flattop chains
Made from high-strength 7075-T651 aluminum alloy, this chainring offers excellent stiffness, durability, and lightweight performance for gravel and road riding.
Specifications
| Item | Details |
|---|---|
| Brand | STONE |
| Material | Aluminum 7075-T651 |
| Color | Black, anodized |
| Crank Interface | SRAM 8-bolt direct mount |
| Compatible Cranks | For SRAM Force / Red / Rival DUB, XPLR 12s / 13s |
| Speed Compatibility | For Standard 9–12s / SRAM 12s AXS Flattop |
| Chainline | 46mm |
| Offset | 4.2mm |
| Thickness | 8mm |
| Hardness | HB150 |
| CNC Precision | 0.03mm |
| Recommended Use | Gravel / Road bike |
| Not Recommended For | MTB, due to different offset / chainline |
Important Notice Before Purchase
Please check your crank interface and chain type carefully before ordering.
1. Crank Interface
This chainring fits:
- For SRAM Force DUB crank with 8-bolt direct mount interface
- For SRAM Red DUB crank with 8-bolt direct mount interface
- For SRAM Rival DUB crank with 8-bolt direct mount interface
- For SRAM XPLR 12-speed / 13-speed crank with 8-bolt direct mount interface
- For Other cranksets with the same SRAM 8-bolt direct mount interface
Not compatible with SRAM 3-bolt spindle / 3-bolt direct mount cranksets.
2. Chain Type
Please choose the correct version according to your chain:
| Your Chain Type | Choose This Version |
|---|---|
| Ordinary 9 / 10 / 11 / 12-speed chain | Standard Version |
| SRAM 12-speed AXS Flattop chain | AXS Version |
Choosing the wrong version may cause poor chain engagement, noise, or drivetrain compatibility issues.
Compatibility Notice
This chainring is designed for gravel and road bikes.
It is not suitable for MTB, because MTB cranksets usually require a different offset and chainline.
Before purchasing, please confirm:
- Your crank uses an SRAM 8-bolt direct mount interface.
- Your crank is not a 3-bolt direct mount crank.
- Your bike is for gravel or road use.
- Your chain type matches the version you select.
- Your required chainline is 46mm and offset is 4.2mm.
Features
- STONE new narrow-wide tooth design
- Better chain retention
- Reduced chain drop risk
- Improved self-cleaning performance in mud and dirt
- Lower drivetrain noise
- High stiffness and strong durability
- Lightweight CNC-machined construction
- Anodized surface for better corrosion resistance
- Designed for gravel and road riding
Package Includes
Please choose the correct option when ordering.
- 1 × Bike Chainring or 8 × Mounting Screws
The package content depends on the option you select.
