STONE 130BCD Chainring Adapter Spider for SRAM AXS 8-Bolt Road Cranksets (Force, RED, Rival, QUARQ)
This precision CNC-machined adapter spider converts SRAM AXS 8-bolt road cranksets to 130BCD 5-arm chainring compatibility, opening up a wider range of chainring options for road riders.
It is designed for SRAM FORCE AXS 12-speed, RED AXS 12-speed, and RIVAL AXS cranksets, as well as QUARQ 8-bolt crank systems, and supports both 1x and 2x road drivetrain setups on 12-speed systems.
Compatibility
Confirm your crank interface and chainring standard before ordering. This adapter fits the following systems:
| Component | Compatible |
|---|---|
| SRAM FORCE AXS 12-speed crank | Yes |
| SRAM RED AXS 12-speed crank | Yes |
| SRAM RIVAL AXS crank | Yes |
| SRAM QUARQ 8-bolt crank | Yes |
| SRAM AXS 8-bolt road crank systems | Yes |
| 130BCD 5-arm chainrings | Yes |
| 1x and 2x road drivetrain setups | Yes |
Not Compatible With
- SRAM 3-bolt direct mount cranksets
- Shimano cranksets
- 110BCD chainrings
- 144BCD track chainrings
- 4-arm chainrings
- MTB wide chainline setups, unless all fitment parameters are confirmed
- Non-8-bolt crank interfaces
Product Specifications
| Brand | STONE |
| Product Type | Chainring Adapter / Spider / Converter |
| Crank Interface | SRAM 8-Bolt Direct Mount |
| Chainring BCD | 130BCD |
| Chainring Mount | 5-Arm |
| Drivetrain Compatibility | 1x / 2x |
| Speed Compatibility | Road Bike 12 Speed |
| Material | 7075-T651 Aluminum Alloy |
| Material Hardness | HB150 |
| Thickness | 13mm |
| Color | Black |
| Surface Treatment | Anodized |
| Machining | High-Precision CNC |
Weight
- Hollow Style: approx. 64g
- Aero Style: approx. 77g
Package Options
- Adapter × 1
- 8pcs Bolts
- Adapter + 8pcs Bolts Set
Please select the correct package option before ordering.
Product Advantages
7075-T651 High-Strength Aluminum
Made from high-strength 7075-T651 aluminum alloy, offering excellent stiffness, durability, and long-term structural reliability.
Precision CNC Machining
High-precision CNC machining with working accuracy up to 0.03mm helps ensure accurate fitment, stable chainring positioning, and reliable power transfer.
8-Bolt to 130BCD Conversion
Converts SRAM AXS 8-bolt road cranksets to 130BCD 5-arm chainring compatibility, allowing riders to use a wider range of chainring options.
Compatible with 1x and 2x Setups
Designed for both 1x and 2x road bike drivetrain setups when used with compatible 130BCD 5-arm chainrings.
Black Anodized Finish
The black anodized surface improves corrosion and wear resistance while providing a clean, professional appearance.
Installation Notice
- Confirm your crank interface, chainring BCD, chainring bolt pattern, and drivetrain setup before purchase.
- This adapter is designed for SRAM AXS 8-bolt road cranksets and 130BCD 5-arm chainrings.
- It is not compatible with SRAM 3-bolt cranksets, Shimano cranksets, 110BCD chainrings, or non-8-bolt direct mount crank interfaces.
- Professional installation is recommended.



