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Stone Chainring Round 104BCD for Shimano M780 M610 670 for Sram X0 X7 X5 X9 30 34 40 46 48T Bike Chainwheel 12s 12 Speed 104 bcd

Name: Stone Chainring Round 104BCD for Shimano M780 M610 670 for Sram X0 X7 X5 X9 30 34 40 46 48T Bike Chainwheel 12s 12 Speed 104 bcd
Brand: DJC Bikes - DJC Components
Price: 32.03 USD
Availability: InStock
Rating: 5 (4 reviews)

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Color:

black hollow

black aero

silver hollow

silver aero
Chainwheel Teeth:

30T

32T

34T

36T

38T

40T

42T

44T

46T

48T

50T

Quantity:

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Specifications
Warranty FAQ

Stone 104BCD Round MTB Chainring Narrow Wide for Shimano M590 M610 M615 M670 M675 M770 M785 M780 M970 M980 M820 M430 SRAM X0 X5 X7 X9 32T-50T

Product Description:

This Stone 104BCD round chainring is designed for 104BCD MTB cranksets. Made from high-strength 7075-T651 aluminum alloy and precisely CNC-machined, it offers excellent stiffness, durability, and reliable performance for 1x drivetrain setups.

The narrow-wide tooth profile helps improve chain retention, reduce chain drop on rough terrain, and provide smooth and stable riding performance. It is suitable for mountain bike riding, 1x drivetrain conversions, and riders who need a lightweight and durable replacement chainring.

Compatibility:

BCD: 104BCD
Shape: Round

Chain Compatibility:

- MTB chains: 9 / 10 / 11 / 12-speed
- SRAM road bike chains: 9 / 10 / 11-speed
- Shimano road bike chains: 9 / 10 / 11 / 12-speed

Not compatible with:
- SRAM AXS 12-speed Flattop chains
- SRAM T-Type 12-speed chains

If want tooth shape for sram AXS/T-type flattop chain, buy here

https://djcbikes.com/products/stone-chainring-round-t-type-104bcd-for-shimano-m780-m610-670-for-sram-x0-x7-x5-x9-30-34-40-46-48t-bike-chainwheel-12s-12-speed-aero-hollow-for-sram-t-type-axs-flattop-chain

Narrow wide tooth, it design for 1x speed only, can not use as 2x speed, not support front shifting derailleur.
Please confirm your crankset BCD and mounting type before purchase.

Compatible with Shimano cranksets:
- Shimano M590
- Shimano M610
- Shimano M615
- Shimano M670
- Shimano M675
- Shimano M770
- Shimano M785
- Shimano M780
- Shimano M970
- Shimano M980
- Shimano M820
- Shimano M430

Compatible with SRAM cranksets:
- SRAM X0
- SRAM X5
- SRAM X7
- SRAM X9
- SRAM XF

Important Note:

This is a narrow-wide chainring designed for 1x drivetrain systems only.

It cannot be used as a 2x chainring and does not support front derailleur shifting.

Shimano 12-Speed Road Chain Quick Link Notice:

If you use a Shimano 12-speed road bike chain, please replace the original Shimano 12-speed road quick link with another brand 12-speed quick link, such as KMC, YBN, SUMC, or a similar compatible brand.

The original Shimano 12-speed road quick link may be too narrow and may affect compatibility.

Specifications:

Brand: Stone
BCD: 104BCD

Shape: Round
Material: High-strength Aluminum 7075-T651

Material Hardness: HB150
Thickness: 4mm

Finish: Black anodized
Surface Treatment: Anodizing

Processing: High-speed CNC machining
CNC Precision: 0.03mm

Tooth Profile: Narrow Wide
Drivetrain Use: 1x only

Front Shifting: Not supported
Available Teeth: 32T / 34T / 36T / 38T / 40T / 42T / 44T / 46T / 48T / 50T

Size / Max Diameter / Weight:

32T - 138mm - 39g
34T - 146mm - 51g
36T - 154mm - 57g
38T - 162mm - 61g
40T - 170mm - 71g
42T - 178mm - 77g
44T - 186mm - 86g
46T - 194mm - 102g
48T - 202mm - 108g
50T - 210mm - 119g

Features:

- Designed for 104BCD MTB cranksets
- Round chainring design for stable power transfer
- Narrow-wide tooth profile for improved chain retention
- Helps reduce chain drop during off-road riding
- Suitable for 1x MTB drivetrain setups
- Compatible with 9 / 10 / 11 / 12-speed MTB chains
- Made from high-strength 7075-T651 aluminum alloy
- CNC-machined with 0.03mm processing accuracy
- Black anodized finish for better durability and corrosion resistance
- Lightweight, strong, and reliable for mountain bike use

Package Includes:

1 x Chainring
4 x Chainring Bolts

Production Notice:

Most Stone chainrings are produced 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.

Support email info@djcbikes.com

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