... 1/8", Fully Integrated, 36° ACB-Sealed, 15mm Aluminum Top Cover levers:Shimano M355 Hydraulic Disc Brake, 3-Finger Lever pedals ... :Wellgo Aluminum Cage, Chromoly Axle rack mounts:Yes rear derailleur ... Top-Normal Design saddle:Selle Royal Premium Ariel seatpost:Breezer Aluminum, 27.2mm shifters:Shimano Altus 27-Speed stem:Breezer ...