Basso Astra Force ETAP 2022 Ice Black Frame Size:53 This is why our Novus This is why our Novus Superflow Endurance TM MTB bike seat is made with Duro Tek making it much easier to transport the latest version of the Astra model incorporates a great deal of technology that derives from its upper tier siblings and adopts a design that follows a tighter family feeling than ever before Frame Astra carbon monocoque construction 100% 3K Torayca HMCF T700 MR60 monocoque construction Fork Astra full carbon 3K Torayca HMCF T700 MR60 Seat Post Clamp 3B Gen 2 Seatpost Clamp Front Thru Axle Basso Standard 125mm x 12mm Rear Thru Axle Basso Standard 165mm x 12mm Hanger Basso Disc Standard Headset Microtech Head Set Tapered Direct Bearing Groupset Sram Force ETAP AXS Crank Force Crank set Chain Force Chain Saddle Selle Italia Novus Boost Evo SuperFlow Saddle Frame Size 53 & 56