The 12-speed 105 R7120 offers wider gear range (11-36T vs 11-30T), smoother gear steps, and improved chain retention. You get easier climbing gears AND higher top-end speed. It's the biggest upgrade in 105 history.

Odin 4 upgrades to the latest 12-speed 105 R7120 (vs 11-speed), adds hydraulic disc brakes (vs mechanical), and includes a carbon handlebar. Same 8.8kg weight but significantly better performance and control.

Absolutely. Hydraulic brakes require 40% less hand force, self-adjust for pad wear, and perform consistently in all weather. Once you ride hydraulic, you'll never go back to mechanical.

Yes. The Odin 4 is UCI-certified and race-ready. Many amateur racers compete successfully on 105, and the 12-speed version closes the gap to Ultegra even further.

Your bike arrives 85% assembled. Using our video guide and included tools, most riders complete assembly in 15-20 minutes. Optional professional assembly service available.