STONE narrow track chainring
STONE 144BCD Round Narrow-Wide Chain ring 7075-T651 Aluminum, 9–12 Speed Compatible
The STONE 144BCD round narrow-wide chainring is designed for track bikes, fixed gear bikes, and 1x drivetrain setups that use a standard 144BCD crankset.
Machined from high-strength 7075-T651 aluminum alloy, it pairs precision CNC construction with an anodized surface and a narrow-wide tooth profile for improved chain retention.
Available in a wide range of sizes from 44T to 70T, it delivers smooth power transfer and dependable, long-lasting performance.
Important Compatibility Notice
This chainring is designed for single-speed / 1x drivetrain systems only. It is not compatible with 2x drivetrains and does not support front shifting.
Please do not use this chainring with:
- Front derailleur
- Front shifter
- 2x drivetrain setup
- Double-chainring configuration
Please confirm your crankset is 144BCD before placing an order.
Fitment
This chainring fits:
- 144BCD cranksets
- Track bike cranksets
- Fixed gear cranksets
- Single-speed / 1x drivetrain cranksets with 144BCD mounting
Please note: this chainring only fits cranksets with a 144BCD bolt circle diameter.
Chain Compatibility
| Chain Type | Compatibility |
|---|---|
| MTB 9 / 10 / 11 / 12-speed chains | Compatible |
| SRAM road 9 / 10 / 11-speed chains | Compatible |
| Shimano road 9 / 10 / 11 / 12-speed chains | Compatible |
| SRAM AXS 12-speed Flattop chain | Not compatible with standard version |
SRAM AXS Flattop Chain Notice
The standard version does not support SRAM AXS 12-speed Flattop chains.
If you need a tooth profile compatible with SRAM AXS 12-speed Flattop chains, please contact us before ordering.
Material & Manufacturing Advantages
1. High-Strength 7075-T651 Aluminum Alloy
This chainring is made from 7075-T651 aluminum alloy, known for excellent strength, stiffness, and durability.
The raw aluminum material is supplied by Aleris, a USA aluminum supplier serving aerospace manufacturers such as Airbus, Boeing, and Bombardier.
2. High-Precision CNC Machining
Each chainring is produced by high-speed CNC machining with 0.03 mm processing precision. This helps ensure:
- Accurate tooth profile
- Smooth chain engagement
- Stable drivetrain performance
- Reliable power transfer
3. Narrow-Wide Tooth Design
The narrow-wide tooth profile helps keep the chain securely engaged, especially for 1x drivetrain setups. This design can reduce the chance of chain drop and improve riding stability.
Details
Our products are sourced from the world’s best suppliers, using top-quality materials built for durability and performance. We only stock gear we’d be proud to use ourselves. And with expert knowledge on our team, you can shop with confidence knowing you’re getting the very best.
Shipping & Returns
Shipping
New Zealand orders:
We aim to process all orders the same day they’re received. Deliveries are made by CourierPost or Aramex, and tracking details will be automatically emailed once your order has been dispatched. Please note that courier delivery times can vary depending on your location and courier network performance.
International orders:
We love sending gear across borders—but please be aware that import duties, taxes, or customs fees may apply once your parcel reaches your country. These charges are the responsibility of the customer and vary between regions. We recommend checking your local customs or border services website before ordering.
Returns
We want you to be happy with your purchase. If you change your mind, you have 30 days from the date of purchase to return your item for a refund or exchange.
To be eligible, your item must be unused, in its original condition, and include all original packaging.
Return shipping costs are the responsibility of the customer and are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund total.
For higher-value items (over $75), we recommend using a tracked and insured courier service. We can’t guarantee that we’ll receive your returned item without tracking.
Depending on your location, exchange times may vary.
Shop by collection
• Frames & Bikes
• Wheels & Tyres
• VELODROME Drivetrain
• VELODROME Handlebars
• Accessories
