Stone Round Oval Chainring For Rotor 30mm REX 1.1 REX 2.1. 3D+ XC2 3DF XC2 5mm Offset 30T 32 34 36 38T MTB Bike Chainwheel DM

STONE Round Oval Direct Mount Narrow-Wide Chainring for Rotor REX1.1 / REX2.1 / 3D+ XC2 / 3DF XC2 | 5mm Offset | 9–12 Speed

The STONE narrow-wide chainring is designed for compatible Rotor cranksets, offering stable chain retention, smooth pedaling performance, and reliable durability for MTB, XC, and trail riding.

Made from high-strength 7075-T651 aerospace-grade aluminum, this chainring delivers excellent stiffness and long-lasting endurance. The new STONE wolf-tooth narrow-wide profile helps reduce chain drops, improves mud-shedding performance, and lowers drivetrain noise for a cleaner and smoother ride.

Specifications

Compatibility

This chainring is compatible with the following Rotor crank models:

• For Rotor REX1.1
• For Rotor REX2.1
• For Rotor 3D+ XC2
• For Rotor 3DF XC2

Not Compatible With

• Not for Rotor R-Hawk
• Not for Rotor R-Raptor

Please check your crank model carefully before placing an order.

Package Includes

• 1 × Bike Chainring

Key Features

• STONE wolf-tooth narrow-wide design for improved chain retention
• Helps prevent chain drops on rough terrain
• Enhanced self-cleaning performance in muddy or dirty conditions
• Reduced drivetrain noise for smoother riding
• 5 mm offset design for compatible Rotor cranksets
• CNC-machined from high-strength 7075-T651 aluminum
• Black anodized finish for better corrosion resistance and a premium appearance

Advantages

1. Aerospace-Grade 7075-T651 Aluminum

Made from high-strength 7075-T651 aerospace aluminum, providing excellent stiffness, strength, and endurance for demanding riding conditions.

2. High-Precision CNC Processing

Manufactured with advanced CNC machining and a processing accuracy of 0.03 mm, ensuring precise fitment, smooth chain engagement, and reliable riding performance.

Production Time Notice

Most STONE chainrings are produced to order. Please allow 3–5 days for production preparation before shipment. Thank you for your understanding.