Stone Oval Direct Mount Chainring for SRAM AXS T-Type 8-bolt Non-AXS 9–12s / AXS Flattop 12/13-speed, 4.2mm Offset

Stone Oval Direct Mount Chainring for SRAM AXS T-Type 8-bolt Non-AXS 9–12s / AXS Flattop 12/13-speed, 4.2mm Offset

Compatibility and Selection

Separate tooth-profile options are offered: Non-AXS 9–12-speed and for SRAM AXS Flattop 12/13-speed. These are different selectable options; choose the profile for your chain.

Direct Mount interface: for SRAM AXS / T-Type 8-bolt mounting. Confirm the crank model and offset against the selected option.

This STONE Direct Mount chainring is designed for SRAM 8-bolt Direct Mount cranksets, including for SRAM Force, Red, Rival DUB, and XPLR crank systems.

It is available in two tooth profile options:

• Standard Version: for ordinary 9–12-speed chains
• AXS Version: for SRAM AXS Flattop 12/13-speed chains

Made from high-strength 7075-T651 aluminum alloy, this chainring offers excellent stiffness, durability, and lightweight performance for gravel and road riding.

Specifications

Important Notice Before Purchase

Please check your crank interface and chain type carefully before ordering.

1. Crank Interface

This chainring fits:

• For SRAM Force DUB crank with 8-bolt Direct Mount interface
• For SRAM Red DUB crank with 8-bolt Direct Mount interface
• For SRAM Rival DUB crank with 8-bolt Direct Mount interface
• For SRAM XPLR 12-speed / 13-speed crank with 8-bolt Direct Mount interface
• For Other cranksets with the same for SRAM 8-bolt Direct Mount interface

Not compatible with SRAM 3-bolt spindle / 3-bolt Direct Mount cranksets.

2. Chain Type

Please choose the correct version according to your chain:

Choosing the wrong version may cause poor chain engagement, noise, or drivetrain compatibility issues.

Compatibility Notice

This chainring is designed for gravel and road bikes.

It is not suitable for MTB, because MTB cranksets usually require a different offset and chainline.

Before purchasing, please confirm:

1. Your crank uses an for SRAM 8-bolt Direct Mount interface.
2. Your crank is not a 3-bolt Direct Mount crank.
3. Your bike is for gravel or road use.
4. Your chain type matches the version you select.
5. Your required chainline is 46mm and offset is 4.2mm.

Features

• STONE new Narrow-Wide tooth design
• Better chain retention
• Reduced chain drop risk
• Improved self-cleaning performance in mud and dirt
• Lower drivetrain noise
• High stiffness and strong durability
• Lightweight CNC-machined construction
• Anodized surface for better corrosion resistance
• Designed for gravel and road riding

Advantages

1. Premium 7075-T651 Aluminum Alloy

Made from high-strength 7075-T651 aluminum, supplied by Aleris, a USA company known for supplying aluminum materials to aerospace manufacturers such as Airbus, Boeing, and Bombardier.

This material provides excellent stiffness, strength, durability, and long service life.

2. High-Precision CNC Machining

Produced using high-precision CNC equipment from Taiwan and Germany.

The machining accuracy reaches 0.03mm, helping ensure accurate fitment, smooth drivetrain performance, and reliable riding quality.

Package Includes

Please choose the correct option when ordering.

• 1 × Bike Chainring or 8 × Mounting Screws

The package content depends on the option you select.

Available Options

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