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CNC
Computer Numerical Control
We design and produce all of our own small parts in our CNC facility. This includes bottom bracket shells, dropouts, head-ons and head tubes, to name a few. We also butt and swage our own Ti tubes, a capability previously known to only the largest bike companies. This capability gives us the highest level of quality in small parts and unprecedented control over the design and quality of each tube and part we use.
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Colorado Concept
Tapered Tubing
In a simple moment of inspiration, Ben sketched a tubeset -- larger at the bottom bracket where rigid strength is needed and smaller and more flexible as it tapered upward. When the first static tests showed this tube design to be 20 percent more rigid than comparably weighted standard tubes, he knew he had something extraordinary. Serotta has continued to refine what we call the Colorado Concept and today, we use it in every bike we build.
Colorado Concept is a swaging or molding process that allows us to change the diameter of a tube along its length, providing greater stiffness where its diameter is larger and increased compliance where the tube is smaller. Riders no longer have to choose between performance and comfort. In a Serotta Custom, a rider can have both, rider-tuned for individual size and style of riding.
FEATURED ON: Every Serotta bicycle
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IT
Integrated Technology
T itanium and carbon have unique qualities that, when appropriately combined, produce a bike that is more than the sum of its parts. Carbon is light, stiff and infinitely tunable. Titanium is a durable and resilient material that makes for a smooth yet snappy ride.
FEATURED ON: Ottrott SE, Ottrott GS, Fierte IT, HSG IT
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MML
Multi Modulus Lugs
This is the most advanced carbon lug design ever to use multiple modulus lay-ups. Lugs are custom selected and machined for each frame. The lugs themselves are stronger and more durable
than more common methods of all-carbon construction. Our construction methods provide nearly limitless geometry and mechanical property combinations when combined with C5C series carbon tubes.
FEATURED ON: MeiVici SE, MeiVici GS, HSG Carbon
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TC Torsion Core™ Carbon Fiber
Co-developed by Serotta and Reynolds Composites, Torsion Core™ is the first carbon fiber tubing engineered with specific carbon layers dedicated to reducing twisting forces. Torsion Core™ tubes are used to create frames with greater drivetrain stiffness and lower overall weight.
FEATURED ON: MeiVici SE, MeiVici GS, Ottrott SE, Ottrott GS, HSG Carbon, HSG IT, Fierte IT
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Seat Stay
The seat stay, often referred to simply as stay, connects the top of the seat tube to the rear dropouts that hold the rear wheel. Serotta has designed three different carbon seat stays for improved vertical compliance and vibration damping.
 Serotta Patented Carbon Fiber Stay and Pivot System
Proprietary curved ST carbon fiber seat stay, produced in the US, is joined to the dropouts by a bearing system that allows a small degree of vertical compliance in the rear end of the bike. This added compliance helps to keep the rear tire in contact with the ground during hard cornering and acceleration while also providing increased vibration damping.
FEATURED ON: Ottrott SE, Legend SE
- CS
Serotta Carbon Fiber Seat Stay w/ Fixed Boss
Proprietary curved carbon fiber seat stay, produced in the US to our exacting standards. Carbon fiber has superior damping qualities to other materials -- adding carbon to the rear end of a bike helps smooth out high frequency vibrations.
FEATURED ON: Ottrott GS, Legend GS, Coeur d'Acier SE, Coeur d'Acier GS, CXII Steel, HSG IT, Fierte IT
- 12K Carbon Stay
Carbon Seat Stay
Carbon fiber seat stay from Serotta comes standard on some models, optional on others. Carbon fiber has superior damping qualities to other materials -- adding carbon to the rear end of a bike helps smooth out high frequency vibrations.
FEATURED ON: Fierte steel
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TORSIONAL RIGIDITY
Torsional rigidity has to do with how much a material twists when force is applied. When you push down on the pedals and pull on the handlebars, you generate forces in torsion (twisting) and bending. These loads are at their greatest during hard efforts such as sprinting or hill-climbing. While all tubes in a frame bear some responsibility in controlling these work loads, the regions nearer the bottom bracket (where the pedals/cranks are attached), which includes portions of the chainstays, the seat tube, and down tube, play the most significant role. The stiffer the material used in these places, the more torsionally rigid and responsive your bicycle will be. The down tube is far and away the single most important tube in terms of power transfer. Recognizing this fact is what led to our original 'Colorado Concept' tube -- a down tube which gets significantly larger towards the bottom bracket. |
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VERTICAL COMPLIANCE
A bicycle in motion is subjected to a constant barrage of vertical forces. A bicycle that is able to absorb some of these forces, or loads, through vertical compliance will be characterized by better power transfer, improved handling, and increased comfort. Vertical compliance allows the rear wheel to maintain contact with the road at a uniform pressure. Vertical compliance allows the wheels to track effectively when carving a turn and minimizes control loss when cornering over irregular surfaces. Vertical compliance helps soften the shocks to your body caused by impacts of all sizes. |
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VIBRATION DAMPING
Vibration is caused by the high-frequency energy waves that pass from the road through the wheels and frame of the bicycle into your body. A cyclist loses endurance with prolonged exposure to vibration and road shock. Vibration damping, through the selective use of materials like carbon fiber and proprietary designs like our ST stay, results in a smoother-feeling, more relaxed and comfortable ride that allows you to use your energy more efficiently. |
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