Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel
Stone Bike Chainring 3mm Offset 3 pins Direct Mount Round for Sram Boost 148 X9 X0 XX1 X01 28t 30t 32 34t 36 38 40T Chainwheel

STONE 3-Bolt Direct Mount Chainring 3mm Offset for SRAM Boost 148 X01 – 28T–40T

3mm offset, 3-bolt direct mount round chainring for SRAM Boost 148 cranksets (XX1/X01/X0/X9, GXP & long spindle BB30)
CNC-machined 7075-T651 aluminum; 28T–40T options
Supports 9–12 speed; not compatible with Flattop or T-Type chains

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Stone 3-Bolt Direct Mount Round Chainring, 3mm Offset, for SRAM Boost 148 XX1/X01/X0/X9 GXP & Long Spindle BB30 – 28T–40T, 9–12 Speed

Upgrade your drivetrain with the Stone 3-Bolt Direct Mount Round Chainring, engineered specifically for SRAM Boost 148 mountain bike cranksets. Precision CNC-machined from aerospace-grade 7075-T651 aluminum, it combines high stiffness, lasting durability, and dependable chain retention for demanding off-road riding.

Product Specifications

Item Details
Brand Stone
Type 3-Bolt Direct Mount Round Chainring
Offset 3mm
Material Aerospace-grade 7075-T651 Aluminum
Color Options Anodized Black
Speed Compatibility 9 / 10 / 11 / 12 Speed (Does not support Flattop chain / T-Type chain)
Tooth Options 28T / 30T / 32T / 34T / 36T / 38T / 40T
Thickness 8mm
Hardness HB150
Machining Precision 0.03mm
Finish CNC-machined, anodized surface
Package Includes 1 × Chainring

Compatibility

This chainring fits SRAM Boost 148 frames and SRAM direct mount cranksets, including the following models:

Compatible SRAM Cranksets
XX1 / XX1 Eagle
X01 / X01 Eagle
X0
X9
X7
S2210
S1400

It is also suitable for:

  • SRAM GXP cranksets
  • Long spindle BB30 cranksets
  • Boost 148 frame spacing

Note: This chainring does not support SRAM AXS tooth profiles or SRAM T-Type drivetrains.

Weight

Size Weight
30T Approx. 60g
34T Approx. 72g
36T Approx. 81g
38T Approx. 90g

Weight may vary slightly between production batches.

Package Contents

  • 1 × Chainring

Mounting bolts and other accessories are not included unless otherwise specified.

Advantages

High-Strength 7075-T651 Aluminum

Made from aerospace-grade 7075-T651 aluminum, this chainring strikes an excellent balance of strength, stiffness, and low weight. The raw material is supplied by Aleris USA, a well-known aluminum supplier serving major aerospace manufacturers.

Precision CNC Machining

Each chainring is CNC-machined to a processing accuracy of 0.03mm, ensuring precise fitment, stable chain engagement, and consistent performance on the trail.

Durable Anodized Finish

The anodized surface enhances corrosion resistance and gives the chainring a clean, premium appearance that withstands regular riding and washing.