The Cru X E5 Disc is a cross beast with race-optimised geometry OSBB tapered headtube internal cable routing & an outstanding stiffness-to-weight ratio. Build it up with the spec of your choice.> Specialized E5 Premium Aluminium disc-specific frame w/ fully manipulated tubing & OSBB> Specialized FACT carbon disc-specific fork for precise handling & steering> Specialized Sport alloy seatpost w/ 2-bolt adjustment for any position Technical Specifications FRAME Specialized E5 Premium Aluminium fully manipulated tubing semi-compact race design shaped toptube 1-3/8" lower bearing internal cable routing integrated headset OSBBFORK Specialized FACT carbon HEADSET 1-1/8" upper 1-3/8 lower steel bearings 20mm alloy cone spacer w/ 20mm spacers BOTTOM BRACKET Hope BB30SEATPOST Specialized Sport alloy 2-bolt 27.2mm SEAT BINDER Alloy 31.8mm