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Colnago K.Zero Triathlon Bike Frameset (2017)

Code: KZERO2017
  • £3,799.95
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Bicycle efficiency can be separated into two key areas. How well the bicycle converts the power from the rider to power at the rear wheel to drive it forwards – and how well the bicycle resists being slowed down by the air it passes through as it moves. These two things are the decisive factors when it comes to efficiency. All of our bicycles are exceptionally good at turning rider power into rear wheel power, and so the main area in which Colnago could make improvements to efficiency on a new Time Trial machine was how well it resisted the drag effects of moving through air. In its most simple terms, aerodynamic drag is proportional to the square of the speed – in other words if you ride along at 20kph, and then increase your speed to 40kph you will experience four time as much drag. So having a bicycle that has a low amount of drag to begin with gives greater benefits the faster you ride. But there is a balance to be had with reducing drag on a bicycle. We could go too far and make a bicycle that no longer rides like a good bike should. And that is what we have been very careful of with the creation of the K.Zero. It rides likes a Colnago bicycle should, offering compromise performance whilst delivering increased aerodynamic performance.

The mains area we have sought to find performance increases in are the areas that cause air flow over the bicycle to be disturbed the most. We found that by controlling the air flow where we needed to, we could better control the air as it passed over other key areas of the bicycle structure. Our research focused upon the handlebar and stem area, the brake systems front and rear, and also the profiles of the tube sections being used. All of this was done within the tight restrictions put in place by the UCI – ensuring our K.Zero is fully UCI compliant for competition use. As with any bicycle where aerodynamic drag is one of the main design concerns, it is a matter of making small reductions in drag over many areas. When all of the small reductions are added together, only then can large benefits be found. This is one of the mains aspects of the K.Zero – the small details all add up to big benefits.


UK Deliveries
FREE when you spend over £50.00 in a single order
Otherwise it's typically £3.99 per order
Delivery should be expected between 2-3 working days unless stated on product page.

Worldwide Deliveries*
Approximately 4-10 working days depending on country
via Parcelforce Signed Delivery (fully traceable service). Please add items to the basket to calculate delivery for desired country.

If your country isn't listed for delivery at checkout please contact us.

Delivery of Bikes
We ship all our bikes free of charge within the United Kingdom (excl. Jersey and the Channel Islands at this time) and all our bikes come pre-assembled with just a few tweaks required (Please see our Bike Build Instruction page for details of assembly required).

All our bikes undergo a safety check before being re-boxed for shipping which can during busy periods take a little longer to complete so whilst we aim to ship all our bikes within two working days of the order please allow for additional time for this process.

Signature Required
All our consignments irrespective of the carrier require a signature upon delivery, deliveries are typically made between 08:00 and 18:00 so please bare this in mind when choosing a delivery address.

Package Recycling
We do try when possible to reuse packaging from our own suppliers in order to send purchased items to our customers, we ask if the packaging is still in good condition after you've received your goods then please try to use it again or recycle if not possible.