3T Strada Team Stealth Disc Carbon Road Frame
3T Strada Team Stealth Disc Carbon Road Frame
3T Strada Team Stealth Disc Frame
The 3T Strada is the road frameset everyone is talking about; and for good reason! For the Strada frameset 3T threw out the rule book, totally reinventing the aero road bike from scratch.
But 'Aero Road' doesn't do it justice, as it's not just extremely aero but also considerably more comfortable than other aero road bikes on the market. How have 3T managed to engineer a road bike that can be both? The key elements are tyre size optimisation, a lightbulb moment designing new aero profiles and shapes and a totally new approach to the specification of the drivetrain. Wide Tyre Optimisation The biggest factor in road bike comfort are the tyres, providing more compliance than any other part of the bike.
Wider tyres are better at reducing shocks from rough surfaces, cobbles and potholes as well as benefiting from lower rolling resistance. Traditionally wider tyres have heeded poor test results in the wind tunnel, however this has only been the case in instances where they are combined with frames and parts that were originally optimised for narrow tyres. The 3T Strada is the first aero road frame designed specifically around the properties of a wider 28mm tyre with geometry, angles and tube profiles all carefully designed and constructed to blend seamlessly around the profile of a wider tyre.
1 x Aero Drivetrain In the evolution of aero road bike design the performance of the drivetrain has never really been addressed. 3T identified that the bottom bracket area of most aero road frames combined with the frame, crank, chainrings, front derailleur, water bottles and rider's legs cause the most drag in wind tunnel tests. Speccing a single ring drivetrain eliminates the need for a front derailleur and an additional chainring, significantly reducing frontal area and creating more space for better airflow while freeing up the design of the Strada's seat tube allowing the designers to further shield the year wheel within the frame.
Careful specification of a single chainring and wide-ratio cassette will provide you with all the gears you need so you won't be spinning out on the downhills or running out of gears on steep hills. Airflow - The Technical Bit 3T design for real world aerodynamics at realistic speeds; they call it 'Realfast Arcfoil'. Conventionally aero tubes have been designed based on a series of flat 2d cross sections that connect together into a tube shape.
But in the real world the air flowing over a tube doesn't follow a flat path, it follows an arc. The 3T Strada was built using arcfoil tubes, creating a series of curved cross sections which exactly mimic the arc of actual airflow, substantially lowering drag. The Airfoil sections of the seat tube arc for a different reason, perfectly covering the rear tyre to reduce turbulence.
Seat post, head tube, seat post clamp and even the dropouts are optimised aerodynamically based on 3T's real world analysis. The 3T Strada downtube is shaped to hide the water bottle from airflow with the fastest set-up being one bottle low on the downtube and the second-fastest set-up with two bottles. Fundi Aero Fork In their quest to make the ultimate aero road bike frame 3T didn't stop at the main frame; the Fundi aero frok has an ultra-short-stack crown, which cleverly provides clearance for a 28mm road tyre while lowering the crown height to improve stiffness, moving the front wheel closer to the downtube and creating a perfect transition for airflow helping the front wheel and frame become collectively more aero.
With disc brakes integrated into the design of the frame and fork 3T has specced flat mounts on the Fundi fork with the 140/160mm disc adaptor completely integrated into the fork leg shape. Aeroflex Seatstays Aero road bike frames are inherently stiff vertically and as 3T have identified wider tyres offer much more comfort than a frame ever can, however, 3T have still managed to eke out even more comfort and compliance with their extremely thin seatstays. Disc Brake Only 3T didn't want to compromise weight, stiffness and aerodynamics by combining disc & rim brake versions in one frame platform, so everything on the Strada is fully optimised for flatmount disc brakes only.
Features: Frame: 3T Strada.
Fork: 3T Fundi LTD 12mm thru axle.
Bottom Bracket: BB386EVO.
Headset: 1 1/8 upper - 1 1/4 lower.
Seatpost: 3T Charlie Sqaero Strada Front Axle: 100x12 front Rear Axle: 3T custom 142x12 rear (Syntace X-12) Disc.
Brake Mount: Flatmount 140/160mm Cable Routing: Internal via interchangeable Flip-Top covers for 1x11 mechanical, Di2, eTap Frame Weight: 970g (Medium Size) Tyre Clearance / Effective width: 28mm, Wheel radius: 344mm (wheel radius) Frameset includes: Frame Fork Headset Seatpost Seatpost internal clamp Front and rear thru axles Two rear derailleur hangers Noise-cancelling foam sleeve for rear derailleur housing and brake hose.
.. more details.
|Strada Team Stealth Disc Carbon Frame Specification|
|Size||S, M, L, XL|
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The frame is the heart of the bike, a lightweight chassis that the rest of the components are bolted to. Each frame I list will be clearly marked as to it's intended purpose - whether road, MTB, cyclocross or other form of riding. Similarly, I try to include as much information as I can regarding the materials used, such as carbon, alloy or steel, as well as the sizes available and full specification.
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3T is a brand synonymous with lightweight road cycling components, such as stems, bars and seatposts. Founded in 1961, 3T (Tecnologia del Tubo Torino - or Turin Tube Technology) was initially named 3TTT, and is situated near Milano in a city called Bergamo, in Northern Italy. As the name suggests, initially their products were made with metal - steel to be precise - as the founder Mario Dedioniggi specialised in working with this material. By 1970, steel was replaced by the increasingly popular alloy, in order to save weight without sacrificing performance. 5 years later the famous Superleggera handlebar was born, weighing just 250g, which at the time was believed to be the lightest handlebar on the market. It was constructed from 7075 aluminium alloy, which was usually reserved for aerospace industries.
Over the years 3T has provided components for victorious Tour de France, Olympic, World Championships and successful World Hour Record attempts. In 1984 Moser pushed past the 50km barrier in his hour attempt using a 3T bar, eventually setting a new record of 51.151km. In recent years Ryder Hesjedal won the 2013 Giro d'Italia on a 3T equipped bike. In the MTB world, Nicolas Vouilloz won his 3rd Downhill World Championships whilst riding with a 3T bar. Nowadays 3T produce components in carbon fibre, as well as having cheaper lightweight alloy ranges for those on a budget. For more information on 3T's products, please visit their website, or view their history page. Alternatively you can find more information on the Italian company on their Wikipedia entry.