Stone 8-Bolt Direct Mount Chainring for SRAM Force/Red/Rival AXS DUB – Flattop 12-Speed, 40T–58T, 4.2 mm Offset
Built for road and gravel drivetrains, this 8-bolt direct mount chainring features a 4.2 mm offset and is designed specifically for SRAM AXS Flattop chains.
Compatibility
This chainring is intended for road and gravel bikes. It is not compatible with MTB cranksets, which require a different offset. If you need the 26–40T version with 3 mm offset for MTB, check here.
Compatible Cranksets
- SRAM Force AXS DUB
- SRAM Red AXS DUB
- SRAM Rival AXS
- SRAM QUARQ cranksets
- SRAM XPLR 12-speed / 13-speed
- 8-bolt direct mount cranksets
Not Compatible With
- SRAM 3-bolt direct mount cranksets
- MTB cranksets
- Non-AXS chains
- Standard 11-speed chains
Product Specifications
| Item | Specification |
|---|---|
| Brand | Stone |
| Material | Aluminum 7075-T651 |
| Color | Black, anodized finish |
| Speed | SRAM AXS Flattop 12-speed chain only |
| Tooth Profile | Narrow-wide |
| Mount Type | 8-bolt direct mount |
| Chainline | 46 mm |
| Offset | 4.2 mm |
| Thickness | 8 mm |
| Hardness | HB150 |
| Available Sizes | 40T–58T |
| CNC Precision | 0.03 mm |
Note: Bolts are not included and must be purchased separately. Buy the 8-bolt screws here.
Package Includes
- 1 × Stone direct mount chainring
- Bolts are not included
Size & Weight Chart
| Teeth | Max Diameter | Weight |
|---|---|---|
| 40T | 169 mm | 115 g |
| 42T | 178 mm | 122 g |
| 44T | 186 mm | 130 g |
| 46T | 194 mm | 138 g |
| 48T | 202 mm | 142 g |
| 50T | 210 mm | 150 g |
| 52T | 219 mm | 159 g |
| 54T | 226 mm | 171 g |
| 56T | 235 mm | 185 g |
Important Notes
- This chainring is designed for SRAM AXS Flattop 12-speed chains only.
- For MTB cranksets, choose the 26T–40T version with 3 mm offset instead.
- Please confirm your crankset uses an 8-bolt direct mount interface before purchasing.
