Stone 110BCD Oval Chainring Narrow Wide Tooth for Shimano 105 R7100 UT R8100 DA R9200 110 Bcd 34 40 42T 46T 48 50T 54 56 58T Road Bike 9-12 Speed

STONE 110 BCD Oval Narrow Wide Chainring for Shimano R7100 R8100 R9200 R9100 R8000 R7000 36T to 60T Teeth 1x Road Bike Chainring 9-12 Speed

Available Styles:

Hollow Black
Hollow Silver
Aero Black
Aero Silver

Available Teeth Options:

36T / 38T / 40T / 42T / 44T / 46T / 48T / 50T / 52T / 54T / 56T / 58T / 60T

🔧 Compatibility

This oval chainring is designed for Shimano 110 BCD 4-arm road cranksets and is suitable for 1x single chainring setups only.

Perfect Fit For:

For Shimano 105 R7100
For Shimano Ultegra R8100
For Shimano Dura-Ace R9200

Also Compatible With:

For Shimano Dura-Ace R9100
For Shimano Ultegra R8000
For Shimano 105 R7000
For Shimano 9000 Series
For Shimano Tiagra 4700
For Shimano FC-5800
For Shimano FC-6800
Compatible with 110 BCD 4-arm power meters

BCD: 110 BCD
System: 1x drivetrain only
Front Derailleur: Not supported
2x Drivetrain: Not supported

⚠️ Important Compatibility Notice

This is an oval narrow wide tooth chainring designed for 1x drivetrain only.

It cannot be used as an inner or outer chainring for 2x drivetrains and does not support front derailleur shifting.

Chain Compatibility:

Shimano road chain: 9 / 10 / 11 / 12 speed
Shimano MTB chain: 9 / 10 / 11 / 12 speed
SRAM road chain: 9 / 10 / 11 speed
Not compatible with SRAM AXS 12-speed Flattop chain

Important Note for Shimano 12-Speed Users:

For Shimano 12-speed chains, please replace the original Shimano 12-speed quick link with another brand 12-speed quick link, such as KMC, YBN, SUMC, or similar brands.

The original Shimano 12-speed quick link may be too narrow for this chainring.

Decorative Caps – Make Your Crankset Look Cleaner and More Stylish

Buy here, if you want
Stone Bike Chainring Decoration Caps Cover Bolts for Shimano Crankset R7100 R8100 R9200 R7000 R8000 R9100 5800 6800 9000 

Note:
Decorative covers are not included and need to be purchased separately.

Decorative covers are designed for STONE chainrings only and may not fit chainrings from other brands.

🧱 Material & Manufacturing

Made from high-strength Aluminum 7075-T651, this oval chainring offers excellent stiffness, durability, and lightweight performance for road cycling.

Specifications:

Material: Aluminum 7075-T651
Hardness: HB150
Surface Treatment: Anodized
Processing: Full CNC machining
CNC Precision: 0.03 mm
Thickness: 4 mm
Color Options: Black / Silver
BCD: 110 BCD
Shape: Oval
Teeth Options: 36T–60T
Weight: Approx. 24 g and above, depending on tooth size and style

⭐ Key Features

Oval Chainring Design

The oval shape helps optimize pedaling efficiency by reducing the dead spot during the pedal stroke and improving power transfer.

Wide Teeth Range: 36T–60T

Available from 36T to 60T in even-number teeth, suitable for different riding styles, cadence preferences, and gear setups.

High-Strength 7075 Aluminum

Built with premium 7075-T651 aluminum for excellent strength, stiffness, and long-lasting performance.

Full CNC Machining

Precision CNC processing with 0.03 mm accuracy ensures a clean fit and smooth chain engagement.

Narrow Wide Tooth Design

Improves chain retention and helps reduce chain drop for 1x road bike drivetrains.

Four Style Options

Available in hollow or aero design, with black or silver color options.

📦 Package Includes

1 × STONE Oval Chainring
4 × Standard Aluminum Chainring Bolts

🚚 Production Time

Most STONE chainrings are produced by order.

Please allow 3–5 days preparation time before shipment. Thank you for your understanding.