STONEDW enhanced
Latest track specific chainrings for the power monsters!
STONE 144 BCD Fixed Gear Chainring 60T–72T, 5mm AL7075 Track & Fixie Chainwheel
Product Advantages
High-Strength AL7075-T651 Aluminum
Made from premium 7075-T651 aluminum alloy, offering high strength, high hardness, and excellent durability.
5mm Thick Design
The thicker chainring body improves lateral stiffness and supports powerful pedaling output, making it well suited to professional track riders.
CNC Precision Machining
High-precision CNC processing ensures accurate tooth shape, smooth chain engagement, and stable riding performance.
Anodized Surface Finish
The anodized black coating helps prevent oxidation, corrosion, and wear while giving the chainring a premium appearance.
Chamfered Tooth Design
The outer tooth edge features a chamfered design that reduces chain noise and improves chain contact.
Improved Flatness Accuracy
Factory flatness tolerance is controlled within 0.3mm, helping reduce wobble and improve drivetrain smoothness.
Fatigue Tested
Designed with structural optimization and tested according to GB/T 3565.8-2022, passing fatigue testing at 1800N for 100,000 cycles.
Compatibility Notice
- Designed for BCD144 5-arm cranksets.
- Suitable for fixed gear bikes and track bikes.
- Only compatible with single speed chains.
- Required chain size: 1/2″ x 1/8″.
- Not compatible with multi-speed chains.
- Large tooth sizes may not fit all bike frames. Please check frame clearance before purchase.
144mm BCD for fixie and track bikes
5mm thick AL7075-T651 for high-power riders
Single speed 1/2" x 1/8" chain only
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.
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