Home > Chainrings& Spiders& Power Meter > Narrow Wide 1X Chainrings > 104BCD 107BCD > Stone Chainring Oval 104BCD for Shimano M430 M780 M610 M670 M980 32 36 38T 40T 46T 48 50T Bike ChainWheel 12 Speed 12s

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Stone Chainring Oval 104BCD for Shimano M430 M780 M610 M670 M980 32 36 38T 40T 46T 48 50T Bike ChainWheel 12 Speed 12s

Name: Stone Chainring Oval 104BCD for Shimano M430 M780 M610 M670 M980 32 36 38T 40T 46T 48 50T Bike ChainWheel 12 Speed 12s
Brand: DJC Bikes - DJC Components
Price: 30.75 USD
Availability: InStock
Rating: 5 (3 reviews)

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Color:

Black
Chainwheel Teeth:

34T

32T

38T

36T

42T

40T

46T

44T

48T

50T

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Specifications
Warranty FAQ

Stone Oval Narrow Wide Chainring 104BCD for Shimano / SRAM Cranks

Compatible with Shimano M430 M590 M610 M615 M670 M675 M770 M780 M785 M970 M980 M820
Available Sizes: 34T / 36T / 38T / 40T / 42T / 44T / 46T / 48T / 50T

Product Description:

This Stone oval narrow wide chainring is designed for 1x drivetrain systems, offering excellent chain retention, smooth pedaling performance, and reliable durability. Made from high-strength 7075-T651 aluminum alloy and precisely CNC-machined, it is a great upgrade for MTB, gravel, and compatible road bike setups.

The oval chainring design helps improve pedaling efficiency by reducing the dead spot during each pedal stroke, making climbing and acceleration smoother and more efficient.

Specifications:

Brand: Stone
Material: High-strength Aluminum 7075-T651
Hardness: HB150
BCD: 104BCD
Thickness: 4 mm
Surface Treatment: Anodized finish
Color: Black
Manufacturing Process: High-speed CNC machining
CNC Precision: 0.03 mm
Chainring Type: Oval narrow wide chainring
Drivetrain Compatibility: 1x only

Compatible Cranksets:

For Shimano:
M430 / M590 / M610 / M615 / M670 / M675 / M770 / M780 / M785 / M970 / M980 / M820 and other compatible 104BCD cranksets

For SRAM:
Compatible with most SRAM 104BCD cranksets, including X0 / X5 / X7 / X9 / XF series

Chain Compatibility:

MTB Chains:
Compatible with 9 / 10 / 11 / 12-speed MTB chains

SRAM Road Chains:
Compatible with 9 / 10 / 11-speed SRAM road chains

Shimano Road Chains:
Compatible with 9 / 10 / 11 / 12-speed Shimano road chains

Important Note:
This chainring is not compatible with SRAM AXS 12-speed Flattop chains.
If you need a tooth profile compatible with SRAM AXS Flattop chains, please contact us for customization. Extra customization fees may apply.

Shimano 12-Speed Road Chain Notice:
When using a Shimano 12-speed road bike chain, please replace the original Shimano quick link with another brand 12-speed quick link, such as KMC, YBN, SUMC, or other compatible brands. The original Shimano 12-speed road quick link is too narrow and may not fit properly.

Size / Diameter / Weight:

34T - Max Diameter: 154 mm - Weight: approx. 50 g
36T - Max Diameter: 162 mm - Weight: approx. 62 g
38T - Max Diameter: 170 mm - Weight: approx. 69 g
40T - Max Diameter: 178 mm - Weight: approx. 72 g
42T - Max Diameter: 186 mm - Weight: approx. 78 g
44T - Max Diameter: 194 mm - Weight: approx. 86 g
46T - Max Diameter: 202 mm - Weight: approx. 98 g
48T - Max Diameter: 210 mm - Weight: approx. 109 g
50T - Max Diameter: 218 mm - Weight: approx. 118 g

Package Includes:

1 x Chainring
4 x Chainring Bolts

Features:

1. High-Strength 7075-T651 Aluminum
Made from premium 7075-T651 aluminum alloy, offering excellent stiffness, strength, and long-lasting durability.

2. Precision CNC Machining
Manufactured with high-precision CNC technology, with machining accuracy up to 0.03 mm for reliable performance and accurate fitment.

3. Narrow Wide Tooth Design
The narrow wide tooth profile improves chain retention and helps prevent chain drops during riding.

4. Oval Chainring Design
The oval shape helps optimize power transfer, improve pedaling efficiency, and reduce pedaling dead spots.

5. Lightweight and Durable
A great balance of low weight, strength, and performance for MTB, gravel, and compatible road bike use.

Important Notes:

This chainring is designed for 1x drivetrain systems only.
It cannot be used for 2x or 3x drivetrains.
It does not support front derailleur shifting.
Please make sure your crankset is 104BCD before purchasing.

Production Time:

Most Stone chainrings are made to order. Please allow 3–5 days for production and preparation before shipping. Thank you for your understanding.

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.

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