STONE Chainring Spider Adapter: Convert SRAM FORCE/RIVAL/RED 3-Bolt Cranks to 110 BCD 4-Arm or 5-Arm Chainrings (1x & 2x)
Product Overview
This STONE chainring spider adapter converts a SRAM 3-bolt road crankset (FORCE, RIVAL, RED) to a 110 BCD chainring mounting, allowing you to run either 4-arm or 5-arm road chainrings in 1x or 2x drivetrains.
Specifications
- Material: high-strength aluminum 7075-T651
- Material hardness: HB150
- Thickness: 13 mm
- Color: black / red / silver
- Surface treatment: anodized, high-speed CNC machined
- Weight: 47 g (5-arm) / 43 g (4-arm) / 86 g (aero)
Compatibility
The adapter fits SRAM 3-bolt cranksets and converts them to 110 BCD 4-arm or 5-arm road chainrings, for both 1x and 2x setups.
| Adapter Model | Chainring Compatibility |
|---|---|
| 4-arm | 110 BCD 4-arm road chainrings; compatible with Dura-Ace R9100, Ultegra R8000, 105 R7000, Tiagra 4700, FC 5800 / 6800 / 9000, and R7100 / R8100 / R9200 |
| 5-arm | 110 BCD 5-arm road chainrings |
| Aero | Works with both 110 BCD 4-arm and 110 BCD 5-arm chainrings |
Key Advantages
- Premium material: high-strength aluminum 7075-T651 delivers excellent stiffness and durability.
- Precision machining: high-precision CNC processing with 0.03 mm working accuracy ensures a reliable, high-quality riding component.
Package Contents
- 1 × adapter



