Home > All Products > Chainrings& Spiders& Power Meter > Stone Round Oval Chainring For Rotor 30mm REX 1.1 REX 2.1. 3D+ XC2 3DF XC2 5mm Offset 30T 32 34 36 38T MTB Bike Chainwheel DM

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Stone Round/Oval Chainring For Rotor 30mm REX 1.1 REX 2.1. 3D+ 30–38T, 5mm Offset, Narrow-Wide, 9mm Thickness

Name: Stone Round/Oval Chainring For Rotor 30mm REX 1.1 REX 2.1. 3D+ 30–38T, 5mm Offset, Narrow-Wide, 9mm Thickness
Brand: DJC Bikes - DJC Components
Price: 36 USD
Availability: InStock

$36.00 ~~$50.00~~

-28%

Stone Round/Oval Chainring For Rotor 30mm REX 1.1 REX 2.1. 3D+ 30–38T, 5mm Offset, Narrow-Wide, 9mm Thickness.

Not for Rotor R-Hawk. Not for Rotor R-Raptor.

Options: Round / 30T; Round / 32T; Round / 34T; Round / 36T; Round / 38T; Oval / 30T; Oval / 32T; Oval / 34T; Oval / 36T; Oval / 38T; Tool / Tool.

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Specifications
Warranty FAQ

Stone Round/Oval Chainring For Rotor 30mm REX 1.1 REX 2.1. 3D+ 30–38T, 5mm Offset, Narrow-Wide, 9mm Thickness

STONE Round Oval Direct Mount Narrow-Wide Chainring for Rotor REX1.1 / REX2.1 / 3D+ XC2 / 3DF XC2 | 5mm Offset | 9–12-speed

The STONE Narrow-Wide chainring is designed compatible with Rotor cranksets, offering stable chain retention, smooth pedaling performance, and reliable durability for MTB, XC, and trail riding.

Made from high-strength 7075-T651 aerospace-grade aluminum, this chainring delivers excellent stiffness and long-lasting endurance. The new STONE wolf-tooth Narrow-Wide profile helps reduce chain drops, improves mud-shedding performance, and lowers drivetrain noise for a cleaner and smoother ride.

Specifications

Item	Details
Material	Aerospace Aluminum 7075-T651
Color	Black, Anodized
Offset	5mm
Speed Compatibility	9 / 10 / 11 / 12-speed(Not for AXS Flattop 12/13-speed chain)
Thickness	9mm
Hardness	HB150
Machining	High-Precision CNC Machining
Processing Accuracy	0.03mm
Key Feature	Material: Aerospace Aluminum 7075-T651
Compatibility	Speed Compatibility: 9 / 10 / 11 / 12-speed(Not for AXS Flattop 12/13-speed chain)

Compatibility

This chainring is compatible with the following Rotor crank models:

For Rotor REX1.1
For Rotor REX2.1
For Rotor 3D+ XC2
For Rotor 3DF XC2

Not Compatible With

Not for Rotor R-Hawk
Not for Rotor R-Raptor

Please check your crank model carefully before placing an order.

Package Includes

1 × Bike Chainring

Key Features

STONE wolf-tooth Narrow-Wide design for improved chain retention
Helps prevent chain drops on rough terrain
Enhanced self-cleaning performance in muddy or dirty conditions
Reduced drivetrain noise for smoother riding
5mm offset design compatible with Rotor cranksets
CNC-machined from high-strength 7075-T651 aluminum
Black anodized finish for better corrosion resistance and a premium appearance

Advantages

1. Aerospace-Grade 7075-T651 Aluminum

Made from high-strength 7075-T651 aerospace aluminum, providing excellent stiffness, strength, and endurance for demanding riding conditions.

2. High-Precision CNC Processing

Manufactured with advanced CNC machining and a processing accuracy of 0.03mm, ensuring precise fitment, smooth chain engagement, and reliable riding performance.

Production Time Notice

Most STONE chainrings are produced to order. Please allow 3–5 days for production preparation before shipment. Thank you for your understanding.

Stone Round/Oval Chainring For Rotor 30mm REX 1.1 REX 2.1. 3D+ 30–38T, 5mm Offset, Narrow-Wide, 9mm Thickness

Available Options

Each row below is one available option combination. Choose the complete combination that matches your setup.

Option 1	Option 2
Round	30T
Round	32T
Round	34T
Round	36T
Round	38T
Oval	30T
Oval	32T
Oval	34T
Oval	36T
Oval	38T
Tool	Tool

All Taxes & Duties Included • Fast Delivery (8–12 Days) • No Hidden Fees • 6-Month Warranty

1 How long is the warranty?
We offer 6 months limited warranty to all products because of the quality defects. We offer lifetime payable repair service after the warranty.

2 Do need to pay tax duty when package arrive my country?
You no need to pay tax when package arrive your country, most countries in the world no need pay.
USA aslo no need tax duty and tariff, our carrier will cover it.

Brazil, Chile, Columbia clients need pay import duty when package arrive your country.

3 Can I return the goods if I am not like it?
Yes you can apply return and refund when you receive the product within 7 days. But as return shipping fee is relatively high when send back to China, so we suggest you consider and carefully before purchase.

Or you can send message to us and discuss technical issues to clarify if the products is what you need, and then pay after you sure your order is correct.

4 How long is the shipping time?
To most countries 7-15days can arrive your address. Pay extra 20USD if want ship by Fedex DHL UPS.

5 How can I know the tracking number?
We will send the tracking code to your email automatically after we send the package. check the track update here https://www.17track.net/en

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