AeroAddicts

Cube · model family

Cube Aerium

2 variants by discipline version. Compare them part by part below.

Generations

What changed from one generation to the next. Useful when you're weighing a used bike against a new one.

  1. 2023-06

    Aerium C:68X

    C:68X TriC:68X TT

    • Integrated disc brake mounts
    • Hydration bladder above the bottom bracket
    • Cube claims it is 3.63 W faster with 18% less steering torque
    • Complete bike 9.1 kg without the hydration system
    • Twin Head Tube and low seatstays carried over; fork and cockpit reworked
    Source

  2. 2018

    Aerium C:68

    Source

Variants side by side

Each variant is shown with its first complete build. Pick other builds on the compare page.

Aerium variants
C:68X TTC:68X Tri
Overview
BrandCubeCube
BuildAerium C:68X TT FramesetAerium C:68X SLT Aero
Build notesFrameset with CUBE Aerium C:68X TT cockpit (400 mm, 0 mm rise basebar), Profile Design 43 ASC Carbon extensions, seatpost and headset. Equipment list includes CUBE Concept Front Hydration and Concept Gear Unit.—
Price (MSRP)€3,499€3,499€3,499€9,999€9,999€9,999
Bike weight4.3 kg9.5 lb10.3 kg22.7 lb
Model year20262026
Generation—Aerium C:68X (successor to the Aerium C:68 TT)
Launched—2023
DisciplineTime trialTriathlon
UCI legalYesNo
Verdict (out of 100)
Overall score—77
Aero7685
Frame7070
Components—80
Hydration & storage5084
Fit6272
Practicality6462
Price—87
Frame & fork
Frame materialCarbon (C:68X)Carbon (C:68X)
Fork materialCarbon (Aerium C:68 TT)Carbon (Aerium C:68X)
Max system weight100 kg220.5 lb100 kg220.5 lb
Frame sizesXS, S, M, LXS, S, M, L
Colourscarbon'n'prism—
Also available asAerium C:68X (triathlon frame with integrated hydration, not UCI-legal)Aerium C:68X TT (separate UCI-approved time-trial frame)
Compatibility & standards
Brake typeFlat-mount discFlat-mount disc
Wheel size700c700c
Max tire width27 mm30 mm
Bottom bracket standard—86mm press-fit
Front axle12x100 thru-axle12x100 thru-axle
Rear axle12x142 thru-axle12x142 thru-axle
Drivetrain compatibility—Electronic; 1x or 2x (front derailleur mount cover plate for 1x)
1x compatible—Yes
Front derailleur mount—Braze-on, with cover plate for 1x setups
Cable routingFully integratedFully internal (frame and handlebars)
Hydration & storage
Integrated hydrationNoYes
Hydration volume—750 ml25.4 fl oz
Hydration details—Bar-mounted Hydration Set Aerium (750 ml) with a refill door, plus an optional in-frame bladder above the bottom bracket that refills through a port in the top-tube nutrition box. The Hydration Set cannot be used with 40 mm or more of spacers.
Integrated storage—Yes
Storage details—CUBE Hydration Set Aerium (750 ml, bar-mounted) plus a compartment above the bottom bracket for an additional hydration bladder or spares; Storage Box Set Aerium for nutrition.
Top tube bento box—Yes
Fit & adjustability
Aerobar systemCUBE Aerium C:68X TT Cockpit SystemCUBE Aerium C:68X Cockpit System in Low (XS-S) or High (M-L) setup; extensions can be swapped
Seatpost typeCUBE Aerium C:68 TT Aero seatpostCUBE Aerium C:68 Aero seatpost
Fit notes—Arm pads adjust over a wide range of widths and stack heights, and saddle stack and reach are adjustable.
Aerodynamics
Manufacturer aero claims—Cube claims the C:68X is 3.63 W faster than the previous Aerium C:68
Testing methodCFD and wind-tunnel testingWind tunnel, CFD and athlete feedback
Tube profile—Twin head tube with a cutout, very low seatstays, deep fork
Travel, maintenance & warranty
Headset bearingsFSA 1-1/8" integratedAcros integrated, 1-1/8" top, 1-1/4" bottom
Sold viaThrough CUBE dealersThrough CUBE dealers
Drivetrain
Groupset—SRAM Red AXS E1
Launched—2024 · current generation
Speeds—12-speed
Electronic—Yes
Wireless—Yes
Shifters—SRAM Red eTap Clics / eTap Blips
Crankset—SRAM Red AXS E1
Chainrings—50
Crank length—165 (XS-M) / 170 (L)
Power meter—SRAM Red AXS E1 Power Meter
Launched—2024 · current generation
Type—Spider
Bottom bracket—SRAM DUB Road 86mm Pressfit
Standard—86mm press-fit
Rear derailleur—SRAM Red AXS E1
Cassette—SRAM Red XG-1290 E1
Range—10-33
Speeds—12-speed
Chain—SRAM Red E1 (CeramicSpeed wax coating)
Brakes
Brake calipers—SRAM Red Aero E1
Type—Hydraulic disc
Rotors—160/160
Front rotor—160 mm
Rear rotor—160 mm
Wheels & tires
Wheelset—Newmen Streem TT.80 / Infinite VONOA Carbon
Front rim depth—80 mm
Rear disc wheel—Yes
Material—Carbon
Tubeless ready—Yes
Tires—Schwalbe Pro One Aero TLR
Tire width—28 mm
Set up tubeless—Yes
Cockpit
Aerobar systemCUBE Aerium C:68X TT Cockpit SystemCUBE Aerium C:68X Cockpit System (XS-S Low, M-L High)
BasebarCUBE Aerium C:68X TT Cockpit System—
Basebar width400 mm—
ExtensionsProfile Design 43 ASC CarbonProfile Design ASC Pro Carbon
HeadsetFSA 1 1/8" integratedAcros Integrated, 1 1/8" top / 1 1/4" bottom
Saddle & seatpost
Saddle—Selle Italia Watt SF Magnesium
SeatpostCUBE Aerium C:68 TT AeroCUBE Aerium C:68 Aero
Geometry (smallest – largest size)
SizesXS, S, M, LXS, S, M, L
Stack487–540 mm19.2–21.3″487–539 mm19.2–21.2″
Reach396–442 mm15.6–17.4″395–442 mm15.6–17.4″
Seat angle min78°78°
Seat angle max78°78°
Head tube angle72°72°
Head tube length74–129 mm2.9–5.1″74–129 mm2.9–5.1″
Effective top tube499–557 mm19.6–21.9″499–557 mm19.6–21.9″
Seat tube length535–588 mm21.1–23.1″535–588 mm21.1–23.1″
Chainstay408 mm16.1″410 mm16.1″
Wheelbase977–1,041 mm38.5–41″979–1,043 mm38.5–41.1″
BB drop78 mm3.1″78 mm3.1″
Wheel size—28" (700c)
Stem length—81 mm3.2″
Basebar width400 mm15.7″400 mm15.7″

Geometry overlay

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C:68X TT · SC:68X Tri · S