Stone Bike Chainring Round for RaceFace Next SL SIXC Atlas Turbine AEffect Cinch 30t 32 34 36 38T 3.5MM Offset Direct Mount
The STONE Direct Mount Chainring for RaceFace Cinch cranksets is built for riders who demand reliable chain retention, efficient power transfer, and long-lasting durability on every ride.
Precision CNC-machined from high-strength 7075-T651 aluminum, this chainring delivers excellent stiffness while keeping weight low. The optimized narrow-wide tooth profile provides secure chain engagement, helping reduce chain drops during aggressive trail, enduro, and XC riding.
Available in multiple tooth sizes from 26T to 40T, this chainring is suitable for a wide range of MTB setups, from climbing-focused XC builds to more aggressive trail and enduro bikes.
Specifications
| Item | Details |
|---|---|
| Brand | STONE |
| Mount Type | For RaceFace Cinch Direct Mount |
| Offset | 3.5 mm |
| Thickness | 7.2 mm |
| Material | AL7075-T651 Aluminum |
| Finish | CNC Machined + Hard Anodized |
| Tooth Options | 26T / 28T / 30T / 32T / 34T / 36T / 38T / 40T |
| Chainring Type | Round |
| Recommended Use | MTB / Trail / Enduro / XC |
Compatibility
This chainring is designed for RaceFace Cinch Direct Mount cranksets.
Compatible crank models include:
- For RaceFace Next SL
- For RaceFace SIXC
- For RaceFace Atlas
- For RaceFace Turbine
- For RaceFace Aeffect
- For Other cranksets using the RaceFace Cinch Direct Mount interface
Chain Compatibility Notes
Please check chain compatibility before installation.
| Chain Type | Compatibility |
|---|---|
| Shimano 9–11 Speed Chains | Compatible |
| Shimano 12-Speed Chains | Compatible with non-Shimano quick link |
| SRAM 9–12 Speed Chains | Compatible, except Flattop / T-Type |
| SRAM T-Type 12-Speed Chains | Not compatible with standard version |
| SRAM Flattop Chains | Not compatible |
Important Note for Shimano 12-Speed Chains
When using a Shimano 12-speed chain, please replace the original Shimano 12-speed quick link with another compatible 12-speed quick link, such as:
- KMC
- YBN
- SUMC
- Other compatible 12-speed quick links
The original Shimano 12-speed quick link may be too narrow and could cause poor engagement or fitment issues.
Note for SRAM T-Type Chains
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.
Key Features
High-Strength 7075-T651 Aluminum
Made from premium AL7075-T651 aluminum alloy, offering an excellent balance of strength, stiffness, and lightweight performance.
Precision CNC Machining
Manufactured with high-precision CNC machining for accurate tooth shaping and consistent fitment.
Machining accuracy: 0.03 mm
Narrow-Wide Tooth Design
The optimized narrow-wide tooth profile improves chain retention and helps keep the chain securely in place over rough terrain.
3.5mm Boost Offset
The 3.5 mm offset is designed for Boost chainline setups, helping provide better drivetrain alignment and smoother pedaling performance.
Hard Anodized Finish
Finished with CNC machining and hard anodizing for improved wear resistance and a clean, premium appearance.
Package Includes
- 1 × Chainring
Why Choose STONE
- Made from high-strength 7075-T651 aluminum
- Precision CNC-machined for accurate fit and smooth operation
- Narrow-wide tooth profile for improved chain retention
- Hard anodized surface for better durability
- Lightweight, stiff, and reliable for MTB riding
