Upgrade your drivetrain with this high-precision Stone 130 BCD narrow-wide chainring, designed for 1x drivetrain setups only. Made from high-strength 7075-T651 aluminum alloy, it offers excellent stiffness, durability, and chain retention for road, folding, and modified bike builds.
🔧 Key Features
- Brand: Stone
- BCD: 130 BCD
- Tooth Options: 38T–70T
- Design: Narrow-wide tooth profile
- Drivetrain Compatibility: 1x speed only
- Material: High-strength Aluminum 7075-T651
- Hardness: HB150
- Thickness: 4 mm
- CNC Precision: 0.03 mm
- Surface Treatment: High-speed CNC machining + anodized finish
- Colors: Black / Silver
- Style Options:
- Hollow Style: 38T–70T
- Aero Style: 42T–70T
⚠️ Important Notice
This chainring is designed for 1x drivetrain systems only.
It cannot be used for 2x setups and does not support front derailleur shifting.
Please make sure your bike uses a compatible 130 BCD crankset before ordering.
🚴 Compatibility
Fits 130 BCD Cranksets, including:
- For Shimano 5700
- For Shimano 6700
- For SRAM Red
- For Rotor 130BCD crank
- For Brompton / 3Sixty modified crank setups with 130 BCD
- For Other compatible 130 BCD road or folding bike cranksets
🔗 Chain Compatibility
This chainring supports most common 9/10/11/12-speed chains.
| Chain Type | Compatibility |
|---|---|
| MTB Chain | 9 / 10 / 11 / 12 speed |
| SRAM Road Chain | 9 / 10 / 11 speed |
| Shimano Road Chain | 9 / 10 / 11 / 12 speed |
| SRAM AXS 12s Flattop Chain | Not compatible by default |
Important for Shimano 12-Speed Road Chains
If you use a Shimano 12-speed road chain, please replace the original Shimano quick link with another brand of 12-speed quick link, such as:
- KMC
- YBN
- SUMC
- Other compatible 12-speed quick links
The original Shimano 12-speed road quick link is too narrow and may not fit properly.
For SRAM AXS Flattop Chain
This standard version does not support SRAM AXS 12-speed Flattop chains.
If you need a tooth profile compatible with SRAM AXS Flattop chain, please contact us before ordering. Customization is available with an additional surcharge.
📏 Size, Diameter & Weight Chart — Hollow Style
| Teeth | Max Diameter | Weight |
|---|---|---|
| 38T | 162 mm | 49 g |
| 40T | 170 mm | 61 g |
| 42T | 178 mm | 70 g |
| 44T | 186 mm | 74 g |
| 46T | 194 mm | 79 g |
| 48T | 202 mm | 84 g |
| 50T | 210 mm | 97 g |
| 52T | 219 mm | 104 g |
| 54T | 226 mm | 111 g |
| 56T | 235 mm | 119 g |
| 58T | 242 mm | 127 g |
| 60T | 250 mm | 136 g |
Note: 38T size includes 5 additional bolt washers.
📦 Package Includes
- 1 × Chainring
- 5 × Chainring bolts
- 5 × Additional bolt washers (for 38T size only)
⭐ Advantages
1. Premium 7075-T651 Aluminum
Made from high-strength 7075-T651 aluminum alloy, this chainring provides excellent stiffness, strength, and long-lasting performance.
2. High-Precision CNC Machining
Manufactured with 0.03 mm CNC processing accuracy, ensuring precise tooth shape, smooth operation, and reliable chain engagement.
3. Narrow-Wide Tooth Design
The narrow-wide tooth profile improves chain retention and helps reduce chain drop, making it ideal for 1x drivetrain setups.
4. Lightweight and Durable
Optimized structure keeps the chainring lightweight while maintaining strong riding performance.
🛠️ Production Time
Most Stone chainrings are produced after order confirmation.
Production usually takes 3–5 days before shipping. Thank you for your patience and understanding.
