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Kurnia Bike
[Indonesia]

Address:
Jl. Tg. Morawa No.112 Medan Sumatera Utara 21352 Indonesia

Phone:
62-061-7786520

Contact name:
Arie Siregar

Kurnia Bike

Products

	Cervelo R3 SL Dura-Ace 2008 Bike

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frame

Monocoque Carbon - Squoval Tube Shapes

Fork

3T Funda / Easton EC90 SL

Headset

FSA

Seatpost

Syntace P6 27.2mm

Front Derailleur

Shimano Dura-Ace 7800

Rear Derailleur

Shimano Dura-Ace 7800

Crankset

FSA SLK Lite MegaExo Carbon

Bottom Bracket

FSA MegaExo

Brake Calipers

Shimano Dura-Ace 7800

Shifter / Brake Levers

Shimano Dura-Ace 7800

Cassette

Shimano Ultegra 6600 12x25

chain

Shimano Ultegra 10s

wheels

Shimano RS20 / Easton Circuit

Handlebars

FSA SLK Carbon Compact

stem

FSA OS-150

saddle

Selle Italia SLR Gel Flow

tires

Vittoria Rubino Pro , 700x23c

It’s amazing how many frames claim to be the world’s lightest. Sometimes it’s the weight without paint, or in size 43, or without derailleur hanger, sometimes the claim is simply completely made up. At the same time, the one manufacturer that actually produces the lightest production frame according to independent magazine tests never makes that claim. Why don’t they? Because to them weight is not the primary goal; and because frankly they think the “lightest” claim has been so overdone that it’s got to stop.

To start with the first issue, Cervelo doesn’t focus on weight during the design process. They focus on stiffness, strength, comfort, and safety. Those are the frame characteristics that really matter, and Cervelo knows that thanks to their superior engineering team, they can design the frames with the best combination of these features. Cervelo knows that if they do that correctly, they can achieve all these goals and still make an extremely light frame – even the lightest. But an up-front focus on the weight leads designers to water down the other – much more important – requirements.

So here it is, Cervelo has taken the Cervelo R3 platform – a frame that already offered an incredible stiffness-to-weight ratio, and made it even lighter without sacrificing any of Cervelo’s standards regarding strength and stiffness. That makes the Cervelo R3 SL the ultimate frame for next year’s Paris-Roubaix, as well as any epic rides you may have in mind. It is naturally the perfect platform to build a superlight no-holds-barred bike around, undercutting the UCI weight limit even more easily than their other frames.

HIGHLIGHTS

Squoval™ tube shapes – With state-of-the-art Finite Element Analysis software and Cervélo-developed custom software tools, they can more effectively evaluate tube shapes and how they should change throughout the frame. This research led to innovations such as the Squoval™ cross section, as well as the multi-shaped toptube and multi-shaped asymmetrical seattube.

R3 Seatstays – Through testing and analysis (in particular with Cervelo’s custom developed software tools), every last gram was squeezed out of the Cervelo R3 SL seatstays without sacrificing any strength. It passes the highest impact, fatigue and road vibration test levels in the industry as well as the “Cancellara-test” on the cobblestones of Paris-Roubaix.

Oversized bottom bracket area – The increased volume of the bottom bracket area provides a great STW. The smooth contours of the BB volume also help to transfer the loads better.

Front boomerang construction – Monocoque frames typically have a weight penalty, while frames with lugs can have lower impact strength, as each lug joint is a potential separation point. Cervélo’s patent pending boomerang design allows continuous fibers to run from toptube to headtube to downtube, thereby greatly enhancing the frontal impact strength without encountering the lay-up control problems of a full monocoque design.

Further lay-up optimization – With eight engineers working on carbon fiber projects, Cervélo has a wealth of in-house knowledge about how to increase the performance of carbon frames. The Cervelo R3 SL is the latest iteration of Cervelo’s lay-up optimization, allowing them to further increase the STW.

Related Keywords: Bicycle , Road Bicycle , Mountain Bicycle , Frameset

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