Not compatible with double chainring / 2x setup.
- for 110BCD single chainring
- for 1X narrow wide chainring
- for fixed gear / fixie 110BCD chainring
- not for double chainring setup
- not for 2X drivetrain setup
- for SRAM 3-bolt direct mount crank
- for SRAM 8-bolt crank
- for ROTOR cranks, such as KAPIC, ALDHU, and VEGAS
- for Easton EC90 crank
- for XXE GP3 crankset
- 110BCD 4-arm version: supports compatible Shimano-style 4-arm road chainrings, such as 105 R7000, Ultegra R8000, Dura-Ace R9100, 9000, Tiagra 4700, FC-5800, FC-6800, 105 R7100, Ultegra R8100, and Dura-Ace R9200.
- 110BCD 5-arm version: only works with 110BCD 5-bolt chainrings.
- Supports 110BCD narrow wide single chainrings and fixed gear chainrings.
- Brand: STONE
- Product Type: Chainring Spider / Spider Adapter
- BCD: 110BCD
- Drivetrain Setup: 1X single chainring only
- Material: Aluminum 7075-T651
- Manufacturing: Full CNC machining
- Thickness: 8mm
- Offset: 7mm inner offset
- Function: Helps center the chainline when converting to a 1X system
- Weight: about 50g–70g, depending on version
- Hollow 5-arm version: about 50g
- Aero 5-arm version: about 60g
- Aero 4-arm version: about 50g
Made from high-strength aluminum 7075-T651, supplied by Aleris USA, a material supplier for aerospace applications. It offers excellent stiffness, durability, and long-term performance.
Fully CNC machined with high precision. Working accuracy up to 0.03mm helps ensure accurate fitment, stable chainring positioning, and reliable riding performance.
The 7mm inner offset helps center the chainline when converting compatible cranksets to a 1X single chainring drivetrain.
Available for SRAM 3-bolt, SRAM 8-bolt, ROTOR, Easton EC90, and XXE GP3 crank interfaces. Please select the correct model before ordering.
- 110BCD Spider Adapter × 1
- This spider adapter is designed for 1X single chainring setup only.
- It is not compatible with double chainring or 2X drivetrain setup.
- Please confirm your crank interface before ordering.
- Please choose the correct 4-arm or 5-arm spider version according to your chainring type.




