This 50 tooth chainring is only suitable for the Shimano or 4iii power meter, it has the step that avoids rubbing on the crank sensor, for the 52 or 54 version there are no problems, only the 50 has the modification for the power meter
Crown in AL7075-T6 aluminum alloy, structural carbon fiber with 3K glossy finish and Grade 5 Titanium pin.
50 tooth external chainring and 110 mm bolt circle (BCD) 4 arms, compatible with Shimano Dura-Ace FC-9200, Ultegra FC-8100, SRM Origin, Rotor Power Meter INSpider and Shimano Dura-Ace FC- power meter cranks R9200-P.
Compatible with Shimano Dura-Ace 9200, Ultegra 8100 and all previous 11-speed groupsets.
Not compatible with SRAM AXS 12-speed groupsets (choose specific X-AXS chainrings).
Requires assembly associated with the X-CarboRing 34 x 110 (4 arms) internal chainring.
For assembly, we recommend using the specific X-Cover DA9200 shaped kit for Shimano DuraAce 9200 12s crank, made of AL7075-T6 alloy.
Alternatively, the X-Fix ROAD kit is available, customized with laser engravings and available in a wide range of anodized colours.
100% made in Italy.
