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STONE 82BCD Round Narrow-Wide Chainring 30-42T for FSA Alpha Drive Gamma Pro Marlin 7, Single-Chainring Setup

Name: STONE 82BCD Round Narrow-Wide Chainring 30-42T for FSA Alpha Drive Gamma Pro Marlin 7, Single-Chainring Setup
Brand: DJC Bikes - DJC Components
Price: 51.84 USD
Availability: InStock
Rating: 5 (9 reviews)

$51.84 ~~$72.00~~

-28%

STONE 82mm BCD Round Narrow-Wide Chainring 30-42T for FSA Alpha Drive Gamma Pro Marlin 7, Single-Chainring Setup.

Default version is not compatible with SRAM AXS 12-speed chains. If you need compatibility with SRAM AXS 12-speed, customization is available.

not compatible with 2x or 3x systems.

Tooth-count options: 30-42T.

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Specifications
Warranty FAQ

STONE 82BCD Round Narrow-Wide Chainring 30-42T for FSA Alpha Drive Gamma Pro Marlin 7, Single-Chainring Setup

The STONE 82BCD Round Narrow-Wide Chainring is designed for FSA Gamma Pro and for FSA Alpha Drive 1x cranksets, and is also suitable for Marlin 7 MTB bikes equipped with compatible cranksets.

Technical Specifications

Item	Specification
Product Type	Chainring
BCD	82BCD
Material	High-strength 7075-T651 aluminum alloy
Key Feature	Material: High-strength 7075-T651 aluminum alloy
Compatibility	for FSA Alpha Drive Gamma Pro Marlin 7, Single-Chainring Setup

Made from high-strength 7075-T651 aluminum alloy, this chainring features precision CNC machining and a black anodized finish for excellent stiffness, durability, and lightweight performance.

It is available in 30T to 42T options and is designed for 1x drivetrain systems only.

Features

82BCD round chainring
Designed for FSA Gamma Pro and Alpha Drive 1x cranksets
Suitable for Marlin 7 MTB
Narrow-Wide tooth profile for improved chain retention
Made from high-strength 7075-T651 aluminum alloy
Precision CNC machining
Black anodized finish
Designed for 1x drivetrain systems only

Specifications

Brand: Stone
Product Type: Round Narrow-Wide Chainring
BCD: 82BCD
Tooth Options: 30T / 32T / 34T / 36T / 38T / 40T / 42T
Material: High-strength 7075-T651 aluminum alloy
Material Hardness: HB150
Thickness: 4mm
Color: Black anodized
CNC Precision: 0.03mm
Surface Treatment: Anodized, high-speed CNC machining

Compatibility

Fits:

for FSA Gamma Pro 1x crankset
for FSA Alpha Drive 1x crankset
Marlin 7 MTB with compatible crankset

Chain Compatibility

MTB chains: 9 / 10 / 11 / 12-speed
Road chains: 9 / 10 / 11-speed

Default version is not compatible with SRAM AXS 12-speed chains.

If you need compatibility with SRAM AXS 12-speed, customization is available.

Important Notes

This chainring is designed for 1x drivetrain systems only
Not compatible with 2x or 3x systems
Does not support front derailleur shifting
Please confirm your crankset uses 82BCD before placing an order

Size and Weight

30T – Max Diameter: 130mm – Weight: 50g
32T – Max Diameter: 138mm – Weight: 56g
34T – Max Diameter: 146mm – Weight: 59g
36T – Max Diameter: 154mm – Weight: 61g
38T – Max Diameter: 162mm – Weight: 68g
40T – Max Diameter: 170mm – Weight: 74g
42T – Max Diameter: 178mm – Weight: 81g

Advantages

Made from high-strength 7075-T651 aluminum alloy for excellent stiffness and durability
Manufactured with high precision CNC machining at 0.03mm accuracy for reliable performance and precise fit

Package Includes

1 x Chainring
4 x Bolts

STONE 82BCD Round Narrow-Wide Chainring 30-42T for FSA Alpha Drive Gamma Pro Marlin 7, Single-Chainring Setup

Available Options

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

Option 1
30T
32T
34T
36T
38T
40T
42T

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

Support email info@djcbikes.com

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