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Cannondale

2021 Cannondale Supersix Evo Ultegra Di2 Disc Road Bike in Mercury

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We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged. In the event an item is returned to ourselves in an unsuitable condition, we may have to return the item or offer a partial refund. Unless the return is due to a faulty product or an incorrect delivery on our part you will have to cover the cost of the return. If you believe that we should be covering the cost of the return please contact us in advance to discuss the available options.

In line with the customer rights act 2015 if you receive an item that is faulty, of un-satisfactory quality, unusable or that differs from how the product is described you are entitled to return the item for a full refund within 30 days of purchase.

Small Items - Parts & Accessories

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Larger Items - Bikes / Bulky Items

If you wish to return bikes or bulky items such as forks or turbo trainers please contact our Returns Department to arrange a special courier collection. Contact us on our email address websales@99bikes.co.uk We can arrange collection for you from your home or work address, using our couriers ( You may be required to cover postages costs )

* Bulky Items Include - Bikes - Wheels/wheelsets - Turbo Trainers - Framesets - Forks - Groupsets - Car racks - Child Seats

Warranty Claims

Please contact us prior to returning so we can ensure the fastest suitable resolution for you: websales@99bikes.co.uk. We also ask that you contact us before having a 3rd party undertake work on an item purchased from 99 Bikess. Any work carried out without 99 Bikes consent will not be eligible for reimbursement and may void future warranty claims for that item.

2021 Cannondale Supersix Evo Ultegra Di2 Disc Road Bike in Mercury

Season:2021

Brand:Cannondale

Code:C11551MMercury

Merging a full carbon frameset that boasts a gamut of sophisticated design traits with high-grade components and a balanced geometry, the SuperSix EVO Ultegra Di2 Disc Road Bike from Cannondale is a truly versatile performer. Excelling up the steepest climbs, over the roughest roads and everything in-between, the SystemSix EVO delivers whatever the challenge.

The frameset naturally boasts the perfect blend of low weight, stiffness and comfort thanks to the refined lay-up pattern of its BallisTec carbon construction. Each tube section is sculpted into a truncated airfoil cross-section that reduces drag markedly without affecting strength or adding any weight. Realised in a racy geometry, the ride is reactive and sharp but at the same time composed to grant a truly composed ride. Clearance for up to 30mm tyres affords the option of serene levels of comfort while full internal gear cable and brake hose routing promote a crisp aesthetic.

A HollowGram 45 SL KNOT wheelset sports full carbon rims that are light and nimble and boast aerodynamically chiselled profiles to lower drag and heighten control when the wind is blowing hard. The broad internal width of these rims and their tubeless-ready tyre compatibility combine to reduce rolling resistance markedly.

Any topography can be conquered thanks to the wide range of gears provided by the precise, electronic Shimano Ultegra Di2 configuration. The reliability and accuracy of these gears are matched by the partnering Ultegra hydraulic disc brake set-up that affords powerful and modulated braking in all weather conditions.
Key Features:
  • A classic all-round race machine conceived to be light, smooth and ultra-fast within any road riding scenario
  • Full BallisTec carbon frameset seamlessly blends low weight, maximum pedalling efficiency and compliance
  • Aerodynamically tuned frameset tube shapes reduce drag by up to 30% but don’t add weight or sacrifice stiffness
  • Hidden and clean cable routing inside the frame offers minimal drag but easy serviceability
  • Clearance for up to 30mm tyres gives extra comfort and enhanced control across any road surface
  • Race-inspired geometry donates precise and composed handling
  • HollowGram 45 SL KNOT carbon wheelset with 45mm deep rims is fast, light and stable in crosswinds and offers tubeless-ready tyre compatibility
  • Shimano Ultegra Di2 electronic 11-speed gears are accurate and reliable
  • Shimano hydraulic disc brake set up bestows confidence-inspiring stopping power and control
  • Innovative stem design hides all brake hoses internally
All UK Mainland Bike Deliveries Over £499 - Free

Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).
Bike orders under £499 will incur a £20 delivery fee

Free Delivery On Orders Over £50.00

When you spend more than £50.00 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).

Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.

Click & Collect Orders

Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.

Spread the cost of your new bike, helmet, safety equipment and accessories paying via instalments being taken directly from your wage. The payments for the Cycle To Work scheme are taken out of your gross wage and your Tax & NI contributions are then worked out based on your new lower gross wage which is how you save money on your new bike and equipment.

At the end of the time period specified with your Cycle To Work scheme you then have the option of buying your bike or to continuing to use it while you work for the company. If you decide to purchase the bike, the balance you owe will be based on a percentage of how much the bike was worth at the time you took out the Cycle To Work scheme.

We know how eager you'll be to jump on your new bike and hit the dirt or tarmac, so we give you everything you need to get you set up quickly. For full instructions on how you're bike will arrive and what you'll need to do, visit our How Our Bikes Are Built page

Easy Set-Up Instructions

Have your brand spanking new bike ready to ride in less than 15 minutes with our easy to follow guide.

Free Multi-Tool

9 in 1 multi-tool to help you set up and maintain your bike.

Free Pedal Spanner

Attach your pedals with ease using our free tool. Please note pedals are not included with all bikes so please check the specification. You can shop our awesome range of pedals HERE

Special Offer

30% Off Selected Pedals & Helmets With All Bikes

Get 30% off a select range of pedals & helmets when you purchase a bike from 99 Bikes. Once you add the bike to cart you will be taken the pedal selection page to add your half-price pedals, discount will be applied at the checkout.

Technical Information

Frame: Cannondale BallisTec Carbon, integrated cable routing with Switchplate, 12x142 Speed Release thru-axle, SAVE, PF30a, flat mount disc, integrated seat binder

Fork: Cannondale BallisTec Carbon, SAVE, integrated crown race, 12x100mm Speed Release thru-axle, flat mount disc, internal routing, 1-1/8” to 1-1/4” steerer and 55mm offset (51 and 54cm frame sizes), 1-1/8” to 1-3/8” steerer and 45mm offset (56, 58 and 60cm frame sizes)

Headset: Cannondale Integrated, 1-1/8” - 1-1/4” (51 and 54cm frame sizes), 1-1/8” - 1-3/8” (56, 58 and 60cm frame sizes)

Bottom Bracket: Cannondale Alloy PressFit30

Stem: HollowGram KNØT, Alloy with cable cover, -6 degree

Handlebar: HollowGram SAVE SystemBar, Carbon, 8-degree pitch adjust

Bar Tape: Cannondale Bar Tape, 3.5mm

Front Brake: Shimano Ultegra Di2 hydraulic disc brake, 160mm RT 800 disc rotor

Rear Brake: Shimano Ultegra Di2 hydraulic disc brake, 160mm RT 800 disc rotor

Brake Levers: Shimano Ultegra, hydraulic disc brake

Front Derailleur: Shimano Ultegra Di2, braze-on

Rear Derailleur: Shimano Ultegra Di2 GS, 11-speed

Shift Levers: Shimano Ultegra Di2, 11-speed

Chain: Shimano HG701, 11-speed

Cassette: Shimano Ultegra, 11-30, 11-speed

Crankset: HollowGram, BB30a, OPI SpideRing, 52/36 chainrings

Front Wheel: HollowGram 45 SL KNØT, Carbon, 20h, 45mm deep, 21mm internal width, tubeless-ready rim, HollowGram KNØT, sealed bearing 12x100mm Centre Lock hub, Formula Grand Forza x 20 spokes

Rear Wheel: HollowGram 45 SL KNØT, Carbon, 24h, 45mm deep, 21mm internal width, tubeless-ready rim, HollowGram KNØT, 12x142mm Centre Lock with DT Swiss 350 internals hub, Formula Grand Forza x 24 spokes

Front Tyre: Vittoria Rubino Pro Bright Black, 700 x 25c, reflective strip, clincher

Rear Tyre: Vittoria Rubino Pro Bright Black, 700 x 25c, reflective strip, clincher

Saddle: Prologo Dimension NDR, Tirox rails

Seatpost: HollowGram 27 SL KNØT, Carbon, 2 bolt clamp, 330mm, 0mm offset (51cm frame size), 15mm offset (54, 56, 58, 60cm frame sizes)

Pedals: Available to be purchased separately

Accessories: Cannondale wheel sensor

Sizing Information
Size48cm51cm54cm56cm58cm60cm62cm
Rider Height (CM)160 - 170165 - 175170 - 180177 - 187182 - 193187 - 198195 - 205
Rider Height (Inches)5'3" - 5'7"5'5" - 5'9"5'7" - 5'11"5'10" - 6'2"6'0" - 6'4"6'2 - 6'6"6'5" - 6'9"
Seat Tube (ctr-top)438477515536558579600
Seat Tube (ctr-ctr)-----
Effective Top Tube520528546562578594611
Actual Top Tube-----
Seat Angle (°)74.374.373.773.372.972.572.1
Head Tube Angle (°)71.271.271.273737373
Head Tube Length114130153164188209230
Fork Rake55555545454545
Chainstay Length408408408408408408408
Wheelbase9859941008992100510161028
Stack519534554574594614634
Reach374378384390395400406
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