STONE 110BCD Double Chainring for Shimano 105, Ultegra & Dura-Ace Road Cranks (9–12 Speed, 46/32T–54/40T)
STONE precision double chainring set designed for Shimano 110BCD 4-bolt road cranksets. Machined from high-strength 7075-T651 aluminum with full CNC precision, it delivers fast, smooth, and stable front shifting for road riding.
Compatibility
This chainring set is designed for Shimano 110BCD 4-bolt road cranksets and fits the following crank models:
| Compatible Crank Model |
|---|
| Dura-Ace R9100 |
| Dura-Ace R9000 |
| Ultegra R8000 |
| Ultegra FC-6800 |
| 105 R7000 |
| 105 FC-5800 |
| Tiagra 4700 |
Please check your crank model and BCD before purchasing. This chainring is designed for compatible Shimano 110BCD 4-arm road cranksets only.
Product Specifications
| Item | Detail |
|---|---|
| Brand | STONE |
| Product Name | 110BCD Round Double Chainring |
| BCD | 110mm |
| Bolt Pattern | 4-Arm |
| Shape | Round |
| Drivetrain | 2x Double Chainring System |
| Material | 7075-T651 High Strength Aluminum |
| Color | Black |
| Speed Compatibility | 9 / 10 / 11 / 12-speed road bike drivetrains |
| Offset | 0mm (46/32T version: 2mm inner offset) |
| Advantage | Fast and stable chain shifting |
Available Sizes & Weight
| Size | Weight |
|---|---|
| 46/32T | 121g |
| 48/33T | 143g |
| 50/34T | 153g |
| 52/36T | 169g |
| 53/39T | 185g |
| 54/40T | 191g |
Weight may vary slightly due to production batches and measurement methods.
Chain & Speed Compatibility
Compatible with 9 / 10 / 11 / 12-speed road bike drivetrains.
Please note: This product is not designed for SRAM AXS / T-type 12 / 13-speed front derailleurs.
Front Derailleur Adapter Notice
For smaller chainring combinations such as 46/32T and 48/33T, a front derailleur adapter may be required to lower the front derailleur position.
The maximum lowering distance is about 16mm. Please check your bike frame and front derailleur clearance before installation.
Decoration Bolt Cap Notice
The decoration bolt cap set is only suitable for STONE 2x chainrings and is not compatible with chainrings from other brands.
The 46/32T version cannot use decoration bolt caps. This version can only use ordinary bolts because the 32T inner chainring has built-in female bolt threads.
Material & Manufacturing
- Material: 7075-T651 high strength aluminum
- Manufacturing: Full CNC precision machining
- Finish: Anodized surface treatment
- Performance: Excellent stiffness, durability, and precise shifting performance
Advantages
1. Fast and Smooth Shifting
An optimized tooth profile helps provide quick, stable, and reliable front shifting performance.
2. High-Strength 7075-T651 Aluminum
Made from premium aluminum alloy for excellent stiffness, lightweight performance, and long service life.
3. Precision CNC Machining
CNC-machined for accurate fitment and stable drivetrain operation.
4. Multiple Gear Options
Available in 46/32T, 48/33T, 50/34T, 52/36T, 53/39T, and 54/40T to suit different riding needs.
5. Ideal Road Bike Upgrade
A great replacement or upgrade choice for Shimano 105, Ultegra, and Dura-Ace road cranksets.
Package Includes
- 1 × Outer Chainring
- 1 × Inner Chainring
- 4 × Ordinary Chainring Bolts
Important Notes
- Please confirm your crank model, BCD, and bolt pattern before purchase.
- Please make sure your frame, crankset, and front derailleur have enough clearance before installation.
- The 46/32T version has a 2mm inner offset, while other sizes are 0mm offset.
- This product is compatible with 9 / 10 / 11 / 12-speed road bike drivetrains and is not suitable for SRAM AXS / T-type 12 / 13-speed front derailleurs.
- Installation by a professional bicycle mechanic is recommended.
