Clearance reason:Last Piece
Description
The Cube Litening AIR C:68X Race Road Bike is crafted for high performance, focusing on speed and aerodynamics. It features a lightweight carbon frame and Shimano Ultegra Di2 12-speed groupset for smooth shifting and efficient power transfer. The bike includes aero-weight optimized tubes, hydraulic disc brakes, and integrated cable routing, providing exceptional speed, control, and comfort for competitive road cyclists.
Key Features
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Ultralight C:68X® Carbon Chassis: Built with CUBE’s top-tier C:68X® carbon fiber and Advanced Twin Mold construction. A mid-size frame weighs approximately 799g, allowing for a complete bike build of around 7.4 kg.
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Aero-Weight Optimization: Developed in collaboration with professional peloton riders, combining Road Climbing Geometry with aerodynamic tube profiling for efficient power transfer during steep climbs and high-speed sprints.
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Full Internal Cable Routing: Integrated cable design runs entirely through the cockpit and frame for cleaner aesthetics, lower aerodynamic drag, and reduced maintenance.
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IC Aero Cockpit: Integrated one-piece carbon handlebar/stem system engineered for optimal aerodynamic efficiency, featuring an unobtrusive out-front Garmin bike computer mount.
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Integrated Seatpost Clamp & Clearance: Minimalist integrated clamp saves weight while maintaining smooth lines; supports tire clearance up to 34mm.
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UCI Compliant: Fully approved for official road racing under UCI rules.

Specification
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Frame: Litening C:68X Air Monocoque Advanced Twin Mold Technology, Aero-Weight Optimized Tubes, Full Internal Cable Routing, Flat Mount Disc
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Fork: Litening C:68X Air, Integrated Cable Routing, Flat Mount Disc
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Headset: ACROS, Top Integrated 1 1/2", Bottom Integrated 1 1/4"
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Bottom Bracket: Shimano SM-BB71-41B, 86mm Pressfit
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Saddle: Natural Fit Nuance SLT Road Carbon
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Seat Post: Litening C:68X Aero, Comfort Flex
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Wheel Size: 700c
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Rims: Newmen Advanced SL R.50 Streem, Carbon
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Tyres: Conti Grand Prix 5000 S TR, 28-622
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Crankset: Shimano Ultegra FC-R8100, Hollowtech II, 50x34T
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Chain: Shimano CN-M8100
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Brakes: Shimano Ultegra BR-R8170, Hydr. Disc Brake, Flat Mount (160/160)
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Shifters: Shimano Ultegra Di2 ST-R8170
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Front Derailleur: Shimano Ultegra Di2 FD-R8150-F
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Rear Derailleur: Shimano Ultegra Di2 RD-R8150-DGS, 12-Speed
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Cassette: 12 Speed
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Cassette Model: Shimano Ultegra CS-R8100, 11-34T
Geometry
58 recommend 183-195cm
| Size | 50 cm | 52 cm | 54 cm | 56 cm | 58 cm | 60 cm |
|---|---|---|---|---|---|---|
| Seat tube | 440 | 460 | 480 | 500 | 520 | 540 |
| Top Tube Horizontal | 527 | 537 | 550 | 565 | 580 | 592 |
| Seat angle | 75° | 74.2° | 73.5° | 73.5° | 73° | 72.5° |
| Head tube angle | 72.2° | 72.5° | 73° | 73.5° | 73.5° | 73.5° |
| Chainstays | 410 | 410 | 410 | 410 | 410 | 410 |
| Head tube | 107 | 117 | 137 | 157 | 177 | 192 |
| Wheelbase | 981 | 981 | 984 | 995 | 1005 | 1011 |
| BB-Height to Hub | 72 | 72 | 69 | 69 | 67 | 67 |
| Reach | 389 | 389 | 390 | 398 | 403 | 405 |
| Stack | 514 | 524 | 542 | 563 | 580 | 594 |
* All values are given in millimetres or degrees.
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Ergonomics







