X-ROTOR AERO , variable  of X-Rotor SteelCarbon 2 model, 

AERO DESIGN Suitable for time trail and Triathlon 

Used by  UAE TEM EMIRATES

It is made for fixing on Center Lock hubs and ensures direct and efficient compatibility.

It is a superlight semi-floating disc rotor with a steel braking surface, a carbon fiber inner body, an Al7075 Center Lock specific Adapter, a laser-engraved titanium protection plate, and fixing rivets.

The disc rotors now feature a profile with rounded CNC-machined edges, that increase safety and comply with the Union Cycliste Internationale (UCI) regulations.
The 1.8 mm thick special steel track has been redesigned to improve braking performance, enhance heat dissipation, and enable more even pad wear.
The rivets and washers are made of Grade 5 titanium and represent a highly technical solution, in line with previous versions, ensuring high lightness, strength, and reliability.
It is provided with an extremely low profile lockring, which offers wide compatibility with hubs equipped with 12, 15, or 20 mm thru-axles.
It can be used with any pad.

Made in Italy. 

Weight :

140 mm -    93 gr     (art XROTORACL140)   (Lockring excluded)

160 mm  - 115  gr     (art XROTORACL160)  (Lockring excluded)

Lock ring weight : 8 gr