Stone Oval Direct Mount Chainring for RaceFace Next SL RF SIXC Turbine Atlas 30–38T
Option examples: 30T; 32T; 34T. Match the complete option combination to your setup.
Stone Oval Chainring for Race Face Cinch Direct Mount Cranks Boost 148 30T/32T/34T/36T/38T Narrow-Wide MTB Chainring
Upgrade your drivetrain with the Stone Oval Narrow-Wide Chainring, designed for Race Face Cinch Direct Mount cranksets. Made from high-strength 7075-T651 aluminum alloy, this chainring offers excellent stiffness, durability, and reliable chain retention for mountain biking, trail riding, and cross-country use.
The oval tooth profile helps improve pedaling efficiency by optimizing power delivery through the pedal stroke, while the Narrow-Wide tooth design helps prevent chain drops and improves chain stability on rough terrain.
Buy here if you want round DM chainring designed for cranksets with RF interface.
| Item | Details |
|---|---|
| Brand | Stone |
| Product Type | Oval MTB Chainring |
| Mount Type | for Race Face Cinch Direct Mount |
| Material | 7075-T651 Aluminum Alloy |
| Tooth Design | Narrow-Wide |
| Speed Compatibility | 9/10/11/12-speed(Not for AXS flattoop chain) |
| Chainline | 52mm |
| Offset | 3.5mm |
| Force Angle | 110°–112° |
| Thickness | 8mm |
| Hardness | HB150 |
| Color | Black |
| Frame Compatibility | 135mm / 142mm / 148mm Boost |
Compatible with the following for Race Face Cinch cranksets:
Suitable for:
Please check chain compatibility before installation.
| Chain Type | Compatibility |
|---|---|
| for Shimano 9–11-speed Chains | Compatible |
| for Shimano 12-Speed Chains | Compatible with non-for Shimano quick link |
| for SRAM 9–12-speed Chains | Compatible, except Flattop 12/13-speed / T-Type |
| for SRAM T-Type 12-Speed Chains | Not compatible |
| for SRAM Flattop 12/13-speed Chains | Not compatible |
When using a for Shimano 12-speed chain, please replace the original for Shimano 12-speed quick link with another compatible 12-speed quick link, such as:
The original for Shimano 12-speed quick link may be too narrow and could cause poor engagement or fitment issues.
This standard version is not compatible with SRAM T-Type 12-speed chains.
If you need a version for SRAM T-Type chains, please contact us for customization.
Premium Material
Made from high-strength 7075-T651 aluminum alloy, known for excellent stiffness, strength, and durability.
Narrow-Wide Tooth Design
Alternating narrow and wide teeth provide better chain retention and help reduce chain drops.
Oval Profile for Efficient Pedaling
The oval shape helps smooth out power delivery and may improve climbing traction and pedaling efficiency.
Precision CNC Machined
Manufactured with high-precision CNC machining for accurate fitment and consistent performance.
Mud-Clearing Tooth Profile
Tooth design helps clear mud, sand, and debris during riding.
Wide Compatibility
Compatible with Race Face Cinch Direct Mount cranksets and suitable for 135mm, 142mm, and 148mm Boost frames.
| Model | Teeth | Diameter | Weight |
|---|---|---|---|
| RF-Oval 30T | 30T | 138mm | 58g |
| RF-Oval 32T | 32T | 146mm | 65g |
| RF-Oval 34T | 34T | 154mm | 72g |
| RF-Oval 36T | 36T | 162mm | 79g |
| RF-Oval 38T | 38T | 170mm | 84g |











Each row below is one available option combination. Choose the complete combination that matches your setup.
| Option 1 |
|---|
| 30T |
| 32T |
| 34T |
| 36T |
| 38T |
