Tapered Steer tube : 1 1/8"(Top) to 1.1/4"(Bottom), Fit with Regular Caliper Brake, won't fit Direct mount Brake

Detailed information of the product:

Fit with Cannondale SuperSix Evo(2011~2019), Synapse Carbon, CAAD10,CAAD12,CAAD13

Fit with Scott ADDICT RC, ADDICT 20,30; Foil (2011~2015), Won't fit 2016 or later Foil

Fit with Giant OverDrive 1 Stardard: TCR ADVANCED 1,2 ,3, Old version DEFY, CONTEND 1,3; Won't fit Propel

Fit with Most Cube Road bike: Litening C:62 Pro, Litening C:68 SL, Agree C:62 Pro, Agree C:62 SL, Attain GTC Pro, Attain GTC SL ,ATTAIN, Attain SL;

Fit with IZALCO MAX, IZALCO RACE

Fit with Ridley Helium SLX,SL ....

Fit with LAPIERRE SENSIUM 600，500，300;

Fit with most of the Current Version Colnago C59,C60,C64,CONCEPT, V2-R,CX Zero,M10 S; Won't fit Old version 1 1/8"

Fit with Wilier which use 1 1/8" to 1 1/4" steer tube and Caliper Brake

Fit with Some Old Version Kuota,Kestrel& BMC, BMC Trackmachine TR02

Made of Toray T700 high modulus carbon fiber
Monocoque construction, Aerodynamics design make it fit normaly road riding and Time trail riding also, Full carbon structure (Steerer tube is also made of carbon fiber)
Designed to provide superior stiffness and yet absorb road shock to give you a performance advantage
Size: 700c, Steer tube Diameter: 1 1/8"(Top) to 1.1/4"(Bottom) ; Max Tire Width: 700* 28c

Steer tube length: 300mm, Rake: 43mm
Approx Weight: 392g, this is a Stronger model, not Super Light

Integrated crown race