Stone Bike Chainring for AXS Flattop T-type Chain 12S 3mm Offset Direct Mount Round for Sram X0 XX SL 26t To 40T hollow aero style AXS Flattop T-type 8 bolts pins

STONE Round Direct Mount Chainring for MTB SRAM T-Type / AXS Flattop 12-Speed Chain

This STONE direct mount chainring is specially designed for SRAM T-Type MTB 12-speed chains and SRAM AXS Flattop 12-speed chains.

It features a 3mm inner offset and 52mm chainline, suitable for Boost 148 frames, 142mm frames, and ordinary 135mm frames depending on crank and drivetrain setup.

Made from aerospace-grade 7075-T651 aluminum alloy, this chainring provides high stiffness, strong durability, and lightweight riding performance.

See here if want oval 26-40T for MTB
Check here if want 40-56T 4.2mm offset for road bike

Specifications

Important Compatibility Notice

Please check your chain type, crank model, and frame spacing carefully before purchasing.

This chainring is designed for:

• for SRAM T-Type MTB 12-speed chain
• for SRAM AXS Flattop 12-speed chain

It fits the following cranksets:

• For SRAM XX Eagle SL crankset
• For SRAM XX Eagle crankset
• For SRAM X0 Eagle crankset
• For SRAM GX Eagle crankset
• For Other SRAM direct mount cranksets with the same interface

Chainring Style Options

This chainring is available in two styles:
Hollow Style and Aero Style.

Hollow Style

The Hollow Style is a great choice for riders who prefer lower weight and quieter drivetrain performance.

Please note: Hollow Style is not available in 26T. The smallest Hollow size is 28T.

Aero Style

The Aero Style provides stronger rigidity and a more integrated look.
It also offers some aerodynamic benefit, especially for riders who prefer a clean and solid appearance.

Please note: Aero Style may produce slightly more chain noise than Hollow Style.

Size & Weight — Aero Style

Size & Weight — Hollow Style

Note: The actual weight may vary slightly due to production tolerance.

Features

• Designed for SRAM T-Type MTB 12-speed chains
• Compatible with SRAM AXS Flattop 12-speed chains
• Direct mount design for SRAM Eagle cranksets
• 3mm inner offset
• 52mm chainline
• Supports Boost 148, 142mm, and ordinary 135mm frames
• Aerospace-grade 7075-T651 aluminum alloy
• High stiffness and lightweight construction
• Precision CNC machining
• Hollow and Aero styles available
• Multiple tooth options from 26T to 40T

Advantages

1. Aerospace-Grade 7075-T651 Aluminum

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

It is built for demanding MTB riding conditions and long-term drivetrain performance.

2. High-Precision CNC Machining

Produced with precision CNC machining.

The processing accuracy reaches 0.03mm, helping ensure accurate installation, stable chain engagement, and reliable riding performance.

3. Optimized Tooth Profile for SRAM 12-Speed Chains

The tooth profile is designed for SRAM T-Type MTB 12-speed chains and SRAM AXS Flattop 12-speed chains, helping improve chain retention and drivetrain compatibility.

Package Includes

• 1 × Bike Chainring