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SWI + II O

ENGINEERED IN SWITZERLAND HAND CRAFTED IN ITALY


This isn’t just a frame. It’s your frame. Built for the way you ride. The power you put down. The feel you want beneath you. Whether that’s razor-sharp responsiveness, all-day comfort, or something perfectly in between. From that first moment you hit the road, the feeling of excitement, the bike becoming an extension of your body — perfectly tuned, in perfect harmony. It’s not just riding; it’s a pure, uninterrupted connection with the road that you feel.

SWI is the only custom frame builder who tailors the carbon lay up of each frame to the individual rider based on the rider’s weight, power output and desired ride feel. When this is combined with our unique use of a Unishell Monocoque Frame we believe this delivers the best combination of geometric accuracy, comfort and reactivity that it is possible to create.

100% Geometric Accuracy

To deliver the required stiffness to comfort ratio we adjust the number of TPT carbon layers in key areas of the frame (e.g bottom bracket, head tube, chain stays). This is possible because 1mm of TPT carbon textile has 14 layers of carbon verses the 5 layers of standard carbon fiber – we therefore have considerable freedom to adjust the number of layers to meet the rider’s desired ride feel.  

Unlike traditional custom frame builders or modular monocoque manufacturers who have to glue tubes & lugs or front & rear triangles together, every SWI frame is 100% geometrically accurate as there is no frame assembly. A SWI frame comes out of the mould in one uninterrupted carbon shell.


No breaks, no seams.


Just one flowing unit that moves with you. It’s like the bike disappears and all that’s left is you and the road, connected in a way you’ve never felt before.

Unishell Monocoque Carbon Shell

SWI is unique in building Unishell Monocoque carbon bicycle frames. A Unishell Monocoque is a frame that is one uninterrupted carbon shell formed in a single mould. This method is complex, time consuming and expensive, however:

1. It enables the unidirectional carbon fibers to be connected all around the frame without any obstruction, reducing vibrations and resulting in the most efficient transfer of power from pedal stroke into forward motion.

2. It produces a frame of unbeatable structural integrity, geometric accuracy and precision, which is especially noticeable when cornering at speed.

Thin Ply Technology Carbon Textile

TPT is the DNA and power behind every SWI frame. An exceptionally dense carbon textile made by the Swiss company North Thin Ply Technology, it is used for carbon yacht racing sails, race yacht foils, the carbon chassis of F1 cars and Moto GP superbikes.

In 1mm of thickness there are 14 layers of carbon, compared to the standard carbon fiber used in bicycle frame building which only has 5 layers. Each individual micro layer of TPT is precisely aligned in 4 different directions: 0, 90, +45, -45 degrees to add further strength.

The TPT is then impregnated with a special resin that allows for high pressure moulding at 6 bars in an Autoclave airtight oven, compressing the carbon fibers significantly beyond standard carbon frames, producing unmatched strength, durability and safety whilst minimizing weight. The result is a frame possessing an exceptional stiffness to weight ratio, creating a noticeably reactive ride feel.

The internal layers of the AEQUUS are all TPT carbon textile. The final visible layer is 3K herringbone carbon textile which we apply for added comfort and aesthetics.

ENGINEERED IN SWITZERLAND - HAND CRAFTED IN ITALY

A JEWELER’S EYE FOR DETAIL

OPTIMIZED

ENGINEERED IN SWITZERLAND - HAND CRAFTED IN ITALY

  • Originating in Ticino, Switzerland , SWI now designs and hand builds its own framesets  close to Bassano Del Grappa, at the heart of the Veneto region in Italy.‍
  • Blending Swiss engineering, Italian craftsmanship and a jeweller’s extreme attention to detail, SWI is driven by a mission to produce the most advanced bespoke carbon bicycle frames.

ENGINEERED IN SWITZERLAND - HAND CRAFTED IN ITALY

  • Originating in Ticino, Switzerland , SWI now designs and hand builds its own framesets  close to Bassano Del Grappa, at the heart of the Veneto region in Italy.‍
  • Blending Swiss engineering, Italian craftsmanship and a jeweller’s extreme attention to detail, SWI is driven by a mission to produce the most advanced bespoke carbon bicycle frames.

A JEWELER’S EYE FOR DETAIL

  • SWI was founded by Stefano Cenere, following a successful career as a craftsman of intricate pieces of luxury gold jewellery.

    Always a passionate cyclist, Stefano realized that there were many similarities between the moulding techniques he used to craft his gold jewellery and those used in carbon bicycle frame manufacturing.

    Combining this unique insight, a jeweler’s obsession with every small detail and his love of cycling Stefano set out to create a carbon bicycle frame that reflects both his jeweler's background and his love for high performance engineering.

  • The rich Swiss heritage of high-performance engineering continues to drive the SWI philosophy.

    The exquisite finishing and craftsmanship of a SWI frame is inspired by the traditions of the Veneto region, a region which possesses centuries-old artisan traditions, as well as a world-renowned expertise for working with materials as diverse as marble, stone, gold, and in more recent times advanced carbon composites.

A JEWELER’S EYE FOR DETAIL

  • SWI was founded by Stefano Cenere, following a successful career as a craftsman of intricate pieces of luxury gold jewellery.

    Always a passionate cyclist, Stefano realized that there were many similarities between the moulding techniques he used to craft his gold jewellery and those used in carbon bicycle frame manufacturing.

    Combining this unique insight, a jeweler’s obsession with every small detail and his love of cycling Stefano set out to create a carbon bicycle frame that reflects both his jeweler's background and his love for high performance engineering.

  • The rich Swiss heritage of high-performance engineering continues to drive the SWI philosophy.

    The exquisite finishing and craftsmanship of a SWI frame is inspired by the traditions of the Veneto region, a region which possesses centuries-old artisan traditions, as well as a world-renowned expertise for working with materials as diverse as marble, stone, gold, and in more recent times advanced carbon composites.

OPTIMIZED

  • The SWI story began in 2014. Stefano painstakingly developed over the course of 8 years and more than 50 frame prototypes a unique process and set of moulds for producing an uninterrupted monocoque carbon fibre bicycle frame.
  • Building on his knowledge of moulding extremely fine and light hollow gold links, Stefano studied all the main technologies in the cycling industry, collaborated with experts in modeling and finite element analysis.
  • Testing his prototypes with some of the most demanding professional cyclists in Italy, including the Olympic and two-time World Champion Paolo Bettini and the classics legend Luca Paolini, he finally created a frame was deemed to be ready.

OPTIMIZED

  • The SWI story began in 2014. Stefano painstakingly developed over the course of 8 years and more than 50 frame prototypes a unique process and set of moulds for producing an uninterrupted monocoque carbon fibre bicycle frame.
  • Building on his knowledge of moulding extremely fine and light hollow gold links, Stefano studied all the main technologies in the cycling industry, collaborated with experts in modeling and finite element analysis.
  • Testing his prototypes with some of the most demanding professional cyclists in Italy, including the Olympic and two-time World Champion Paolo Bettini and the classics legend Luca Paolini, he finally created a frame was deemed to be ready.

THIS IS THE RIDE

YOU'VE BEEN WAITING FOR

At SWI, we don’t just build bikes—we craft an experience that’s uniquely yours. We listen to what you want: the way you want to feel the road beneath you, the way you want to connect with every turn, every climb, every descent.


This isn’t just a ride. This is a connection, a journey. A relationship with the road, the bike, and yourself. It’s your invitation to feel what you've always dreamed of. The result? A frame that doesn't just fit your body—it fits your ride soul.

DON'T JUST DREAM IT. OWN IT.