Weight: 104 g

Engineered for speed. Optimized for efficiency.
The X-CarboRing EVO 52T is a high-performance outer chainring developed for modern road drivetrains, delivering an exceptional balance of stiffness, lightweight construction, and precise power transfer. Designed and manufactured in Italy, it meets the demands of riders seeking efficiency and reliability at every level of performance.

Technologies

Constructed from AL7075-T6 aluminum alloy and reinforced with 3K glossy structural carbon fiber, the X-CarboRing EVO ensures superior strength while maintaining a minimal weight profile.

The integration of Titanium Grade 5 hardware enhances durability and resistance under high-load conditions, making it ideal for both racing and intensive training.

The advanced tooth profile optimizes chain engagement and shifting performance, ensuring seamless compatibility with Shimano 12-speed and previous 11-speed drivetrains.

Compatibility

- BCD: 110 mm – 4 arms
- Outer chainring: 52 teeth
- Compatible with:
     - Shimano Dura-Ace FC-9200
     - Shimano Ultegra FC-8100
     - SRM Origin
     - Rotor INSpider Power Meter

✔ Compatible with Shimano Dura-Ace 9200, Ultegra 8100, and all previous 11-speed groupsets
✖ Not compatible with SRAM AXS 12-speed groups (use dedicated X-AXS chainrings)

System Integration

For optimal performance, the X-CarboRing EVO must be paired with:

- X-CarboRing 36T x 110 (4 arms)

Recommended upgrade:

- X-Cover DA9200 – Dedicated kit for Shimano Dura-Ace 9200 12s cranksets, made from AL7075-T6 alloy

Alternative option:

- X-Fix ROAD kit – Available with custom laser engravings and a wide range of anodized color finishes

Specifications

- Teeth: 52T
- BCD: 110 mm (4 arms)
- Material: AL7075-T6 Aluminum + 3K Carbon Fiber
- Hardware: Titanium Grade 5
- Weight: 104 g
- Made in Italy