STONE 110BCD Aero Double Chainring for Shimano 105 FC-5800 / Ultegra FC-6800 / Dura-Ace FC-9000 (46/32T–58/44T)
This STONE 110BCD aero style double chainring is built for 110BCD 4-bolt road cranksets, pairing a lightweight 7075-T651 aluminum construction with full CNC machining for precise, consistent performance on every ride.
Product Overview
The STONE 110BCD aero style double chainring is designed for 110BCD 4-bolt road bike cranksets. It is made from high-strength 7075-T651 aluminum with full CNC machining.
- High stiffness and long-lasting durability
- Fast, smooth front shifting
- Suitable for road bike 9 / 10 / 11 / 12-speed drivetrains (SRAM AXS 12s not supported)
Compatibility
Compatible With
- Shimano 105 FC-5800 / Ultegra FC-6800 / Dura-Ace FC-9000
- 110BCD 4-bolt crank spiders
- 110BCD 4-bolt spider type power meters, including Sigeyi / XCADEY / Magene
Not Compatible With
- Shimano 105 R7000 / R7100
- Shimano Ultegra R8000 / R8100
- Shimano Dura-Ace R9100 / R9200
- Shimano Tiagra 4700
- Shimano Di2 R7170 / R8170 / R9270
- 5-bolt cranksets
- Non-110BCD cranksets
- 4-bolt cranksets with different mounting shapes
Product Specifications
| Item | Detail |
|---|---|
| Brand | STONE |
| Material | High-strength 7075-T651 aluminum |
| Process | Full CNC machining |
| Color | Black |
| BCD | 110BCD |
| Mounting Type | 4-arm / 4-bolt |
| Style | Aero style |
| Speed Compatibility | 9 / 10 / 11 / 12-speed road bike drivetrains |
| Offset | 0mm |
| Weight | Approx. 131g–263g, depending on size |
| Advantage | Fast and smooth chain shifting |
Available Sizes, Models & Weight
| Size | Flat Version | Grooved Version |
|---|---|---|
| 46/32T | 131.5g | — |
| 48/33T | 153g | 155g |
| 50/34T | 166.5g | 168.5g |
| 52/36T | 183g | 175.5g |
| 53/39T | 200g | 199g |
| 54/40T | 209.5g | 207.5g |
| 55/40T | 215.5g | 221.5g |
| 56/42T | 238.5g | 241.5g |
| 58/44T | 258g | 263.5g |
- Weight may vary slightly due to different production batches.
- Please choose the correct size according to your crankset, front derailleur position, and riding needs.
Shifting Pins
Different chainring sizes have different numbers of shifting pins. More shifting pins help improve front shifting speed and stability.
- 46-32T: 4 shifting pins
- 52-36T / 53-39T / 54-40T: 6 shifting pins
- 55-40T / 56-42T / 58-44T: 10 shifting pins
Offset Notice
- Most sizes have 0mm offset.
- 46/32T has 2mm inner offset by default.
- The 46/32T version comes with 2 spacers for 24mm / 30mm axle offset adjustment.
- After installing the included 2 spacers, the 46/32T version can be adjusted to 0mm offset.
Decoration Bolt Cap Notice
- The 46/32T version cannot be used with decoration bolt caps.
- The 32T inner chainring has built-in female bolt threads.
- Its structure is different from 33T and larger inner chainrings.
- Please use ordinary bolts for the 46/32T version.
Front Derailleur Extender Notice
- For chainrings larger than 54T, a front derailleur extender may be required.
- For chainrings smaller than 48T, a front derailleur extender may be required.
- The extender helps raise or lower the front derailleur position.
- Please check frame clearance and front derailleur position before installation.
Package Includes
- 1 × Outer chainring
- 1 × Inner chainring
- 4 × Ordinary aluminum chainring bolts
- 2 × Spacers for 46/32T version only
Important Notes
- Please confirm your crank model, BCD, and bolt pattern before purchasing.
- Please make sure your crankset is 110BCD 4-bolt type.
- This product is not suitable for the incompatible models listed above.
- For chainrings larger than 54T or smaller than 48T, a front derailleur extender may be needed.
- Professional installation is recommended.
Where to Buy
Buy here for the hollow model at a lower price.
Buy here for the version with decor caps.


