STONE 3-Bolt to 110BCD Chainring Adapter Spider
The STONE Chainring Adapter Spider is designed to convert for SRAM 3-bolt direct mount cranksets to standard 110BCD road chainrings.
It allows compatibility with selected 110BCD 4-arm and 5-arm road chainrings, making it suitable for 1x and 2x road drivetrain setups.
Precision CNC machined from high-strength AL7075-T651 aluminum, this adapter delivers excellent stiffness, durability, and long-term reliability for high-performance road cycling.
Common Compatibility
Compatible Crankset:
- for SRAM 3-Bolt Direct Mount Road Cranksets
- for SRAM Force 11 / Force 22
- for SRAM Rival 11 / Rival 22
- Compatible with GXP / BB30 / PF30 crank standards
Chainring Compatibility:
- for 110BCD road chainrings
- 4-arm models work with Shimano-style 110BCD 4-arm chainrings
- Compatible with Dura-Ace R9100, Ultegra R8000, 105 R7000, Tiagra 4700, FC-5800, FC-6800, 9000, R7100, R8100, and R9200 series chainrings
- Aero style adapter supports both compatible 4-arm and 5-arm 110BCD chainrings
- Suitable for 1x and 2x drivetrain setups
- For round chainrings only
Product Specifications
Brand: STONE
Product Type: Chainring Adapter / Spider / Converter
Crank Interface: for SRAM 3-Bolt Direct Mount
Chainring BCD: 110BCD
Chainring Type: Road Chainrings
Drivetrain Setup: 1x / 2x
Chainring Shape: Round Chainrings Only
Material: AL7075-T651 Aluminum Alloy
Thickness: 13mm
Mounting: 4 Bolts / Internal Thread Design
Application: Road Bike / Performance Riding
Surface Treatment: Anodized Finish
Machining: High-Precision CNC
Model Options
Model 1 — Hollow 4-Arm
Type: 110BCD 4-Bolt / 4-Arm Adapter
Design Focus: Lightweight & Daily Riding
Weight: approx. 43.7g
Key Features:
- Optimized for lightweight and flexibility
- Ideal for daily riding and endurance road use
- Direct and efficient power transfer
Best For:
- Daily commuting
- Endurance rides
- Lightweight builds
Model 2 — Aero 4-Arm
Type: Aero Style 110BCD 4-Bolt Adapter
Design Focus: Strength & Stiffness
Weight: approx. 60g
Key Features:
- Reinforced structure for rough road conditions
- Direct power transmission
- Higher torsional stiffness
Best For:
- Aggressive riding
- Rough road conditions
- Riders prioritizing stiffness over weight
Model 3 — Hollow 5-Arm
Type: 110BCD 5-Bolt / 5-Arm Adapter
Design Focus: Extra Stability Under Load
Weight: approx. 46.5g
Key Features:
- One more load point than 4-arm design
- Improved chainring stability
- Reduced flex under hard pedaling
Best For:
- Powerful riders
- Sprinting & climbing
- Riders sensitive to drivetrain stiffness
Model 4 — Aero 4/5-Arm Dual-Compatible
Type: Full Disc / Multi-Compatible Adapter
Design Focus: Maximum Compatibility & Stiffness
Weight: approx. 83.9g
Key Features:
- Compatible with selected 110BCD 4-bolt and 5-bolt chainrings
- High machining precision
- Strong stiffness among standard versions
Best For:
- Riders using multiple chainring types
- Maximum drivetrain precision
- High-power output builds
Model 5 — Widened Version
Type: 110BCD 4-Bolt Widened Version
Design Focus: Improved Contact & Alignment
Weight: approx. 49.4g
Key Features:
- Widened spider arms for increased contact area
- Better alignment with modern 12-speed chainrings
- Reduced chainline deviation
- Smoother shifting performance
- Compatible with STONE BCD110R2B series chainrings for an even better overall fit
Best For:
- 12-speed drivetrains
- Riders demanding better chainring alignment
- High-precision builds
Not Compatible With
- not for SRAM 8-bolt AXS cranksets.
- not for Shimano cranksets.
- not for 130BCD chainrings.
- not for 144BCD track chainrings.
- not for oval chainrings unless compatibility is confirmed.
- not for non-SRAM 3-bolt direct mount crank interfaces.
Product Advantages
1. Premium AL7075-T651 Aluminum
Made from AL7075-T651 aluminum alloy for outstanding stiffness, strength, and fatigue resistance during high-power road cycling.
2. High Precision CNC Machining
Manufacturing tolerance within 0.03mm helps ensure accurate alignment, stable chainring positioning, and smooth power transfer.
3. Wide 110BCD Compatibility
Multiple adapter models are available for different 110BCD 4-arm and 5-arm road chainring standards.
4. Suitable for 1x and 2x Setups
Designed for road bike drivetrain setups, supporting compatible single chainring and double chainring configurations.
5. Anodized Surface Finish
The anodized finish improves corrosion resistance and gives the adapter a clean, durable, and professional appearance.
Package Content
- 1 x Chainring Adapter Spider
Please select the correct model before ordering.
Installation Notice
- Please confirm your crank interface, chainring BCD, chainring arm type, and drivetrain setup before purchase.
- This adapter is designed for SRAM 3-bolt direct mount road cranksets.
- Please choose the correct adapter model according to your chainring type and riding needs.
- For round chainrings only unless additional compatibility is confirmed.
- Professional installation is recommended to ensure correct torque and alignment.
