This chainring spider adapter is designed for Rotor 24mm spindle cranksets, including Rotor 3D and 3D+ cranksets.
It converts the crankset to 110BCD road bike chainring compatibility, suitable for road bike and gravel bike use.
Compatible with both 1x and 2x drivetrain setups.
Fit for Rotor 24mm spindle cranksets
Fit for Rotor 3D crankset
Fit for Rotor 3D+ crankset
Compatible with 110BCD 4-arm / 5-arm chainrings
Suitable for 1x and 2x drivetrain setups
Compatible chainring series include:
Shimano 105 R7000 / 5800 / R7100
Shimano Ultegra R8000 / 6800 / R8100
Shimano Dura-Ace R9100 / 9000 / R9200
Shimano Tiagra 4700
Product Type: Chainring Spider Adapter
Crank Compatibility: Rotor 24mm Spindle Crankset
Fit Crank Models: Rotor 3D / 3D+
BCD: 110BCD
Chainring Type: 4-arm / 5-arm road chainring
Drivetrain Compatibility: 1x / 2x
Material: 7075-T651 Aluminum Alloy
Material Source: Aleris USA
Hardness: HB150
Color: Black
Surface Treatment: Anodized
Thickness: 13mm
Chainline: Same as original Rotor size
Weight: approx. 40g
1. High-Strength Aluminum
Made from 7075-T651 aerospace aluminum alloy, offering excellent stiffness, durability, and long service life.
2. Precision CNC Machining
High-precision CNC machining with working accuracy up to 0.03mm helps ensure accurate installation and stable riding performance.
3. 110BCD Conversion
Converts Rotor 24mm spindle cranksets to 110BCD, allowing riders to use more road and gravel chainring options.
4. Wide Chainring Compatibility
Compatible with both 110BCD 4-arm and 5-arm chainrings.
5. Stable Chainline
Designed to keep the same chainline as the original Rotor size for smooth drivetrain performance.
Please check your crank model, spindle type, chainring BCD, and chainring arm type before purchase.
This adapter is designed for Rotor 24mm spindle cranksets, Rotor 3D and Rotor 3D+ cranksets.
Professional installation is recommended.

