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No compromise. No limits.
No compromise. No limits.
Cube

Cube Aerium c:68x SLT Triathlon Bike in Nebula/White

£8,999.00
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Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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When you purchase this item, you will earn of rewards points to spend on your next purchase from us. You can spend your Rewards balance in-store & online.

Hassle free returns

Returns

In the unlikely event that you are dissatisfied with your purchase please feel free to return your goods within 30 days of the purchase date for a full exchange or refund. Any item (excluding food and underwear) can be returned to us for any reason provided it is returned in ‘showroom condition’, with its original packaging, tags and a valid receipt/delivery note.

It is your responsibility to ensure that the item is returned to us in a safe and secure manner, and in the event of a refund or exchange, in saleable condition (in original packaging and including all warranty, cards, manuals and accessories).

Customers are accountable for return shipping charges.

If you purchased an item in one of our stores, you may return the items to either of our stores.

Return Items by Post

  1. You should always keep proof of postage and we advise you to use a ‘signed for service’ when returning goods.
  2. Send your package using a recorded delivery method (always keep a copy of your receipt!) to the following address.
South Downs Bikes
Internet Department
28 West Street
Storrington
West Sussex
RH20 4EE

If you wish to return your bike to us please keep it in the box it arrived in and contact us and we will arrange a collection.

Please note the following:

  • a) If we have sent you the incorrect bicycle, we will cover the cost of collection and delivery of the correct model.
  • b) If we have delivered the bicycle you ordered, but upon inspection you decide it is not the bike for you, we will charge you £50.00 for the collection.

Please do not ride the bike as a full refund cannot be given if the bike has been used or damaged.

Cube Aerium c:68x SLT Triathlon Bike in Nebula/White

Season:2026

Brand:Cube

Code:831400nebulaWHT

No compromise. No limits.

Developed in close collaboration with Cube athlete and World champion Lucy Charles-Barclay, the Aerium C:68X can rightly claim its title as the fastest frame they've ever made. Every detail, from the aero fork design, disc brake integration and in-frame hydration and storage systems has been designed with zero compromise, tested in the wind tunnel and then tested again under pressure, in race conditions. Lucy has full confidence in the frame and its configurable storage and hydration and now you can, too.

Technical Information
  • Frame
    Aerium C:68X® Monocoque Advanced Twin Mold Technology, Twin Head Tube, Full Internal Cable Routing, Flat Mount Disc, 12x142mm, AXH
  • Size
    XS, S, M, L
  • Rigid Fork
    Aerium C:68X®, Integrated Cable Routing, Flat Mount Disc, 12x100mm
  • Shift/ Brake Levers
    Shimano Dura Ace Di2 ST-R9180
  • Brake System
    Shimano Dura Ace BR-R9270, Hydr. Disc Brake, Flat Mount (140/140)
  • Rear Derailleur
    Shimano Dura Ace Di2 RD-R9250-D, 12-Speed
  • Shifters
    Shimano Dura Ace Di2 SW-R9160 TT
  • Front Derailleur
    Shimano Dura Ace Di2 FD-R9250-F, Braze-On
  • Bottom Bracket
    Shimano SM-BB71-41B, 86mm Pressfit
  • Crankset
    Shimano Dura Ace FC-R9200P Power Meter, 54x40T
  • Cassette
    Shimano Dura Ace CS-R9200, 11-30T
  • Chain
    Shimano CN-M9100
  • Headset
    ACROS integrated, Top 1 1/8", Bottom 1 1/4"
  • Integrated Bar/ Stem
    CUBE Aerium C:68X® Cockpit System
  • Bar Extensions
    Profile Design 43 ASC Carbon
  • Handlebar Tape
    ACID Bartape RD
  • Wheelset
    Newmen Streem TT.80 VONOA , 15/18 Carbon Spokes, 12x100mm/12x142mm, Tubeless Ready
  • Tyres
    Conti Grand Prix 5000 TT, 28-622
  • Saddle
    Selle Italia Watt SF Magnesium
  • Seat Post
    CUBE Aerium C:68 Aero
  • Extras
    Tubolito™ Inner Tubes
  • Equipment
    CUBE Concept Front Hydration / Concept Gear Unit
  • Colour
    Nebula´n´white
  • Weight
    9,9 kg
Sizing Information
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