STONE 110BCD Chainring Adapter Spider for SRAM AXS 8-Bolt Road and Gravel Cranks
The STONE AXS adapter spider converts the SRAM AXS 8-bolt crank interface into a 110BCD chainring mount. Several versions are available, covering 110BCD 5-arm, 110BCD 4-arm hollow-style, and aero-style chainrings.
With this adapter, you can fit 110BCD chainrings directly onto SRAM AXS 8-bolt cranksets. Depending on the model chosen, it supports 110BCD 5-arm, 110BCD 4-arm hollow-style, or aero-style chainrings, making it suitable for a wide range of road and gravel 1x and 2x drivetrains.
Compatibility
- SRAM Force AXS 12-speed crank
- SRAM Red AXS 12-speed crank
- SRAM eTap AXS road crank
- SRAM QUARQ 8-bolt crank
- SRAM AXS 8-bolt road crank systems
- 110BCD chainrings, depending on the selected model
- Road and gravel 1x and 2x chainring setups
Model Options
Model 1: 110BCD 5-Arm Adapter
Designed for 110BCD 5-arm road bike chainrings.
Model 2: 110BCD 4-Arm Adapter
Designed for 110BCD 4-arm Shimano-style chainrings, including Dura-Ace R9100, Ultegra R8000, 105 R7000, 9000, Tiagra 4700, FC-5800, FC-6800, R7100, R8100, and R9200 series.
Model 3: 4/5-Arm Aero Style Adapter
Built with an aero solid-style design. Compatible with both 110BCD 5-arm chainrings and 110BCD 4-arm Shimano-style chainrings, depending on the chainring design and fitment.
Model 4: 4-Arm Widen Style Adapter
Machined to match Shimano 12-speed and STONE 110R2B chainring curves for a precise fit. Compatible with R7100, R8100, R9200, Shimano 12-speed chainrings, and STONE 110R2B chainrings.
Not Compatible With
- SRAM 3-bolt direct mount cranksets
- Non-8-bolt crank interfaces
- 130BCD chainrings
- 144BCD track chainrings
- MTB wide chainline cranksets, unless all fitment parameters are confirmed
- Chainrings with a different BCD or mounting shape from the selected adapter model
Product Specifications
- Brand: STONE
- Product type: Chainring adapter / spider / converter
- Application: Road bike / gravel bike
- Speed compatibility: 12-speed road / gravel drivetrain
- Crank interface: SRAM AXS 8-bolt direct mount
- BCD: 110BCD
- Thickness: 10mm
- Default color: Black
- Custom colors: Red / Silver / Purple / Gold
- Material: 7075-T651 aluminum alloy
- Material hardness: HB150
- Surface treatment: Anodized
- Machining: High-precision CNC
Package Options
- Adapter × 1
- 8 bolts included
Please select the correct package option before ordering.
Product Advantages
1. 7075-T651 High-Strength Aluminum
Machined from high-strength 7075-T651 aluminum alloy, delivering excellent stiffness, durability, and long-term structural reliability for road and gravel riding.
2. Precision CNC Machining
High-precision CNC machining with working accuracy up to 0.03mm helps ensure accurate fitment, stable chainring positioning, and reliable power transfer.
3. 8-Bolt to 110BCD Conversion
Converts SRAM AXS 8-bolt road cranksets to 110BCD chainring compatibility, allowing riders to use compatible 110BCD 4-arm or 5-arm chainrings.
4. Multiple Model Choices
- Model 1: Supports 110BCD 5-arm chainrings.
- Model 2: Supports 110BCD 4-arm chainrings.
- Model 3: 4/5-arm aero style supports both 110BCD 5-arm and compatible 110BCD 4-arm chainrings.
- Model 4: Designed to match Shimano 12-speed and STONE 110R2B chainring curves for a perfect fit.
5. Anodized Finish
The anodized surface improves corrosion and wear resistance while providing a clean, professional appearance.
Installation Notice
- Confirm your crank interface, chainring BCD, chainring arm type, bolt pattern, and drivetrain setup before purchase.
- This adapter is designed for SRAM AXS 8-bolt road crank systems and compatible 110BCD chainrings.
- Choose the correct model according to your chainring type: 5-arm, 4-arm Shimano-style, or aero solid style.
- Professional installation is recommended.
