The BMC Kaius 01 Two 12 Speed Disc Gravel Bike is a premium carbon gravel bike built to be your elite race companion for all terrains. The unprecedented carbon layup and gravel-specific geometry of the BMC Kaius 01 Two ensures the perfect balance of stiffness, lightweight, and compliance for optimal traction on loose surfaces, front-end stability, and unmatched climbing prowess. Harnessing the precision and performance of BMC's renowned leading road technologies, Kaius is a race machine tuned to the gravel wavelength with the engineered Kaius fork, BMC's signature ICS2 stem and conventional bar, TCC Race compliance, compatibility with 1x and 2x drivetrains and up to 44 mm of tire clearance. Specifications Frame - Kaius 01 Premium Carbon with Aerocore Design ICS Technology, Stealth Cable Routing Integrated Aerocore Bottle Cages Stealth Dropout Design TCC Race Compliance Level PF86 Bottom Bracket Flat Mount Disc 12x142mm Thru-Axle Fork - Kaius 01 Premium Carbon ICS Technology, Stealth Cable Routing TCC Race Compliance Level Stealth Dropout Design Flat Mount Disc 12x100mm Thru-Axle Gears - 2 x 12 Chainwheel - SRAM FORCE AXS WIDE 43-30T Cassette - SRAM FORCE AXS XG-1270 10-36T Chain - SRAM FORCE 12 Speed Rear Derailleur - SRAM FORCE eTap AXS WIDE Shifters - SRAM FORCE eTap AXS HRD Brakes - SRAM Force eTap AXS HRD, Centerline X Rotors (160/160) Handlebar - BMC RCB01 Carbon Ergo Top Shape Compact Bend Stem - BMC ICS2 - Integrated Cockpit Design Seatpost - Kaius 01 Premium Carbon D-Shaped Seatpost - 15mm Offset Saddle - Fizik Vento Argo R3 Hubs - Zipp 303 S Rims - Zipp 303 S Tires - Pirelli Cinturato Gravel H - 40mm Tire Clearance - 44mm (Measured Width) Extras - Aerocore Bottle Cages Weight Limit - 120 Kg ASTM Classification - Level 2 *Specifications subject to change without notice Mack Cycle recommends that any BMC bike that Mack Cycle ships to a customer be assembled by an authorized mechanic. Expect to pay an assembly fee to your authorized mechanic who will assemble this bike. For more information, feel free to email us at orders @ mackcycleandfitness dot com or hit us up on the live chat and we are happy to assist.