Stone Oval Direct Mount Chainring for Rotor 3D+ 3DF 30–38T

Stone Oval Direct Mount Chainring for Rotor 3D+ 3DF 30–38T

Upgrade your drivetrain with the Stone Oval Direct Mount Chainring, designed for ROTOR 24mm axle 3D+ 3DF. Featuring an oval chainring profile and a Narrow-Wide tooth design, it helps improve pedaling efficiency, enhance chain retention, and deliver a smoother riding experience on rough trails.

Made from 7075-T651 aerospace-grade aluminum, this chainring combines high stiffness, low weight, and excellent durability for MTB, trail, and cross-country riding.

Specifications

Compatibility

This chainring is designed for:

• For ROTOR 24mm axle 3D+
• For ROTOR 24mm axle 3DF

Suitable for:

• MTB
• Trail riding
• Cross-country riding
• Boost 148 frames

Note: The removal/disassembly tool is sold separately.

Size, Weight & Maximum Diameter

Product Advantages

1. High-Strength Aerospace Aluminum

Made from 7075-T651 aluminum, supplied by Aleris USA, a trusted aluminum supplier serving major aircraft manufacturers such as Airbus, Boeing, and Bombardier. This material provides outstanding stiffness, strength, and long-term durability.

2. High-Precision CNC Processing

Each chainring is CNC-machined with a working accuracy of up to 0.03mm, ensuring accurate fitment, stable drivetrain performance, and efficient power transfer.

3. Enhanced Chain Retention

Stone’s new Narrow-Wide wolf tooth profile grips the chain securely, helping prevent chain drops during intense riding, climbing, and rough terrain.

4. Cleaner and Quieter Drivetrain

The optimized tooth profile improves self-cleaning performance by helping remove mud, dirt, and debris, while also reducing drivetrain noise.

Package Includes

• 1 × Stone Oval Direct Mount Chainring

Note: Disassembly/removal tool is not included and is sold separately.

Available Options

Each row below is one available option combination. Choose the complete combination that matches your setup.