STONE Oval Chainring 30T–38T Direct Mount for RaceFace Cinch Cranks (Next SL, SIXC, Turbine, Atlas, AEffect)
Overview
The STONE oval chainring with 3.5mm offset mounts directly on RaceFace Cinch-system cranks. It is precision CNC-machined from high-strength 7075-T651 aluminum, delivering excellent stiffness and durability for trail, enduro, and all-mountain riding.
Key Features
- Material: High-strength aluminum 7075-T651, hardness HB150
- Construction: Full CNC machining with a working accuracy of 0.03mm
- Tooth profile: Narrow-wide design with wolf-tooth shaping to prevent chain drop and help shed mud, soil, and sand
- Color: Black
- Oval force angle: 110°–112°
Specifications
- Offset: 3.5mm
- Chainline: 52mm
- Thickness: 8mm
- Available sizes: 30T, 32T, 34T, 36T, 38T
Size, Diameter & Weight
| Model | Teeth | Diameter (mm) | Weight (g) |
|---|---|---|---|
| RF-Oval | 30T | 138 | 58 |
| RF-Oval | 32T | 146 | 65 |
| RF-Oval | 34T | 154 | 72 |
| RF-Oval | 36T | 162 | 79 |
| RF-Oval | 38T | 170 | 84 |
Chain Compatibility
Compatible with 9, 10, 11, and 12-speed chains.
- Not compatible with T-type 12-speed chains. A custom tooth shape would be required for T-type chains.
- Shimano 12-speed chains: The original Shimano 12-speed quick link is too narrow for this chainring. You must replace it with another brand’s 12-speed quick link (such as KMC, YBN, or SUMC) before use.
Compatibility
Crank Fitment
Fits RaceFace Cinch-system cranks:
| Component | Compatible Models |
|---|---|
| Crankarms | RaceFace Next SL, SIXC, Turbine, Atlas, AEffect (Cinch) |
| Mounting system | RaceFace Cinch direct mount, 3.5mm offset |
| Rear frame spacing | 135mm, 142mm, and 148mm Boost |
Package Contents
- 1 x Chainring
