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STONE DW Colorful Road Bike Double Chainring BCD110 4-Arm CNC 7075 Aluminum for Shimano R7170 R8170 R9270 48T 50T 52T 53T 54T 55T
Upgrade your road bike with the STONE DW colorful double chainring, designed for riders who want reliable shifting performance and a personalized bike style. Made of high-strength 7075-T651 aluminum alloy, this chainring set is precisely processed by CNC machining and finished with a colorful anodized surface treatment for durability, corrosion resistance, and a premium appearance.
This chainring is available in multiple anodized colors to match different bike styles:
Note: Due to anodized surface treatment and different lighting conditions, the actual product color may be slightly different from the photos.
Available in 10 colors, giving your bike a unique custom look. The anodized finish also helps protect the aluminum surface from oxidation and wear.
Made from 7075-T651 aluminum alloy, offering excellent strength, lightweight performance, and long service life.
The optimized tooth profile and dedicated shifting pins help improve chain pickup and front shifting efficiency.
Compared with many similar chainrings on the market, STONE uses more dedicated shifting pins for different gear ratios, helping to increase successful shifting performance.
Available in different tooth combinations for road racing, training, commuting, gravel riding, and bike customization.
| Item | Specification |
|---|---|
| Brand | STONE |
| Model | DW / BCD110R2B |
| Product Type | Road Bike Double Chainring |
| BCD | 110mm |
| Mount Type | 4-Arm |
| Material | 7075-T651 Aluminum Alloy |
| Processing | CNC Machined |
| Surface Finish | Anodized |
| Thickness | Big Chainring 5mm / Small Chainring 3mm |
| Speed Compatibility | Shimano 12-Speed Road, Shimano 11-Speed, SRAM 11-Speed |
| Colors | Red, Orange, Apple Green, Grass Green, Rose Red, Cyan Blue, Sky Blue, Royal Blue, Purple, Silver |
| Application | Road Bike, Racing, Commuting, Gravel, DIY Upgrade |
| Teeth Combination | Approx. Weight | Model Number | Color Options |
|---|---|---|---|
| 48T + 33T | 142g | BCD110R2B-4833 | 10 Colors |
| 50T + 34T | 154g | BCD110R2B-5034 | 10 Colors |
| 52T + 36T | 167g | BCD110R2B-5236 | 10 Colors |
| 53T + 39T | 192g | BCD110R2B-5339 | 10 Colors |
| 54T + 40T | 200g | BCD110R2B-5440 | 10 Colors |
| 55T + 40T | 202g | BCD110R2B-5540 | 10 Colors |
| 56T + 42T | 214g | BCD110R2B-5642 | 10 Colors |
| 58T + 44T | 234g | BCD110R2B-5844 | 10 Colors |
The weight is for reference only and may vary slightly due to production batches.
Compatible with Shimano road cranksets:
Also suitable for selected 110mm 4-arm power meters, such as:
Please confirm your crankset model, BCD, mounting type, and teeth combination before ordering.
Each chainring ratio is designed with a different number of shifting pins to improve shifting performance.
| Model Number | Teeth Combination | Shifting Pins |
|---|---|---|
| BCD110R2B-4833 | 48T + 33T | 6 Pins |
| BCD110R2B-5034 | 50T + 34T | 6 Pins |
| BCD110R2B-5236 | 52T + 36T | 8 Pins |
| BCD110R2B-5339 | 53T + 39T | 9 Pins |
| BCD110R2B-5440 | 54T + 40T | 10 Pins |
| BCD110R2B-5540 | 55T + 40T | 10 Pins |
| BCD110R2B-5642 | 56T + 42T | 10 Pins |
| BCD110R2B-5844 | 58T + 44T | 10 Pins |
The shifting pins are made of 304 stainless steel and processed by CNC machining. They help improve chain engagement and front shifting success rate.


































