STONE Oval Direct Mount Chainring for SRAM 3-Bolt BB30 Cranks (0mm Offset, 30T–42T)
Upgrade your drivetrain with the STONE 3-Bolt Oval Direct Mount Chainring, engineered for better chain retention, smoother pedaling efficiency, and dependable performance on demanding rides.
CNC-machined from premium 7075-T651 aluminum alloy, this chainring balances strength, stiffness, and low weight. Its precision narrow-wide tooth profile helps reduce chain drop, sheds mud effectively, and runs noticeably quieter on the trail.
Specifications
| Item | Details |
|---|---|
| Brand / Model | STONE Oval BB30 0mm Offset Chainring |
| Material | 7075-T651 Aluminum Alloy |
| Offset | 0mm |
| Chainline | 49mm |
| Tooth Profile | Narrow-Wide |
| Speed Compatibility | Standard 9/10/11/12 speed (not for 12-speed AXS Flattop or T-type chains) |
| Thickness | 4mm |
| Hardness | HB150 |
| Machining Precision | 0.03mm |
| Color Options | Black, Anodized |
| Available Sizes | 30T / 32T / 34T / 36T / 38T / 40T / 42T |
Compatibility
This chainring fits SRAM direct mount cranksets, including:
- SRAM XX1
- SRAM XX1 Eagle
- SRAM X01
- SRAM X01 Eagle
- SRAM X7
- SRAM X0
- SRAM X9
- SRAM S2210
- SRAM S1400
Important Note
This chainring is designed for SRAM BB30 short spindle cranks only. Please confirm your crank model and spindle type before purchase.
Weight
| Size | Approx. Weight |
|---|---|
| 30T | 62g |
| 32T | 67g |
| 34T | 70g |
| 36T | 78g |
| 38T | 90g |
Package Includes
- 1 × STONE Oval Direct Mount Chainring


