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    TimeShifter

    The ABUS TimeShifter delivers measurable aero benefits – for different positions, conditions and rider types.

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    Zeitfahrradfahrer mit dem TT Helm TimeShifter auf Canyon-Rennrad, Geschwindigkeit und Aerodynamik im Fokus © ABUS

    Developed in collaboration with the industry’s leading minds. Designed for anyone who wants to stay one step ahead. Demonstrably more aerodynamically efficient.

    Developed in collaboration with Swiss Side, the TimeShifter was created on the basis of transparent data, extensive testing and measurable aerodynamic performance. The result: a time trial helmet that delivers significant aerodynamic advantages across all selected test configurations.

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    The challenge:

    Speed is relative

    Measurements with a Movistar athlete in the wind tunnel © ABUS

    Developing a time trial helmet is an enormous challenge: aerodynamic performance depends on many factors – from body measurements and riding position right through to race conditions. That is why there is no single helmet that is the fastest for everyone – the choice is highly individual. A model that delivers top results for one athlete may perform very differently for another.

    That is why we have deliberately chosen not to make blanket aero claims. Instead, the TimeShifter was tested, compared and validated through an iterative development process:

    • 112 CFD simulations
    • 194 wind tunnel tests
    • 39 velodrome measurements

    The result is not a helmet designed for a perfect laboratory position – but the most high-performance ABUS TT helmet to date, designed to suit the widest possible range of riders and racing situations.

     

    ABUS Produktentwickler testet Prototyp des neuen TT Helms TimeShifter an einem Profi-Athleten von Movistar in einem Windkanal © ABUS

    “We didn’t want a marketing cliché. We wanted an honest answer to the crucial question: how do we develop the fastest ABUS helmet for the majority of riders and racing conditions?”

    Lennart Bechheim, Productmanager TimeShifter

    ABUS und SwissSide logos on grey background © ABUS

    ABUS X Swiss Side

    Swiss precision meets German engineering.

    What happens when ABUS and Swiss Side combine their expertise? The result is a helmet that not only looks fast – but also demonstrates measurable aerodynamic benefits across extensive CFD, wind tunnel and velodrome tests, as well as across defined test configurations. For the aerodynamic development of the TimeShifter, ABUS collaborated with Swiss Side – a high-performance team with roots in Formula 1 and extensive experience in developing aerodynamic solutions for triathlon and cycling.

    Computer simulations of the tt helmet with a Movistar athlete © ABUS

    Power in Partnership BEYOND AERO CLAIMS

    The partnership with Swiss Side is more than just technical co-branding – it stands for transparency. With the new helmet, we are presenting not just a product, but a comprehensive performance report.

    This document provides the basis for making informed decisions when choosing a helmet. The gold standard remains an individual test, such as in a wind tunnel. However, our data brings you as close as possible to the optimal choice for your personal setup.

    READ THE PERFORMANCE PAPER

    Athlet of team movistar in wind tunnel test © ABUS
    Compared numbers of improvement in simulation © ABUS
    Improvement numbers compared to the Gamechanger TT 1.1 © ABUS
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    Narrow, Wide or Cut Visor? Find the right TimeShifter visor for your setup.

    Wide Visor
    Optimised for riders with broader shoulders or a more open arm position.

    Narrow Visor
    Optimised for compact setups, narrow shoulder profiles or tight arm positions.

    Cut Visor
    In addition to the Narrow and Wide versions, a Cut Visor is available. It has been specially developed to minimise interference in very tight cockpit setups.

    Three TimeShifter visor colours side by side © ABUS
    Visor cut clear TimeShifter M/L
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    Visor narrow clear TimeShifter
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    Close-up of the ABUS TimeShifter TT helmet highlighting the integrated fit and adjustment system inside the helmets © ABUS

    Using the finely adjustable dial at the back of the head, you can quickly and precisely adjust the TimeShifter to the shape of your head – for a secure fit even at top speed.

    Close-up of the ABUS TimeShifter TT helmet featuring the integrated ponytail opening and fit adjustment system inside the helmet © ABUS

    Thanks to the recess in the adjustment system, the TimeShifter is also suitable for long hair – without compromising on fit or comfort.

    Close-up of the SlideDivider strap adjustment system on the chin strap of the ABUS TimeShifter TT helmet © ABUS

    The flat, adjustable strap dividers allow you to customise the strap routing – minimalist in design, precise in fit.

    Explosionszeichnung Schalenaufbau des TimeShifter TT Helm © ABUS

    COMMITTED TO DRIVER SAFETY

    Performance starts with trust. That is why the TimeShifter is developed and tested not only for aerodynamics, but also to meet the demands of racing:

    Designed for use in time trial competitions in accordance with the UCI regulations in force at the time of testing. Tested in accordance with EN 1078 and TÜV-certified in accordance with the available test documentation.

    Close-up of the magnetic Fidlock buckle on the chin strap of the ABUS TimeShifter TT helmet © ABUS

    The high-quality FIDLOCK magnetic fastener can be operated quickly and with one hand, even when wearing gloves – for easy handling before and after the race.

    Close up of the padding inside the TT helmet TimeShifter © ABUS

    Soft comfort padding ensures a comfortable fit, even during long and strenuous use. If necessary, it can be removed, hand-washed or replaced.

    Side view of the ABUS TimeShifter TT helmet with visualized airflow illustrating the aerodynamic helmet design © ABUS

    The CFD-optimised airflow system directs incoming air precisely through the helmet, thereby promoting efficient cooling – ensuring a comfortable head climate even under maximum exertion.

     

    Description
    Form follows function: the TimeShifter has been consistently developed for performance in time trials and triathlons.
    The focus is on robust aerodynamics for different head and arm positions as well as racing conditions. This is based on extensive CFD analyses, wind tunnel and velodrome tests as well as validations in the professional peloton.
    Development took place in close partnership with the aerodynamics specialist Swiss Side and with the involvement of WorldTour athletes. The aim was to develop a helmet that delivers reproducible advantages not only under ideal conditions, but also in real racing situations. The TimeShifter represents a new generation of time trial helmets: scientifically backed, developed on the basis of data and consistently transparent in performance communication.
    Marlen Reusser lächelt und hält Goldmedaille in der Hand © ABUS

    “I love how comfortable this helmet is – and the results speak for themselves. It’s incredibly fast.”

    — Marlen Reusser, World Champion 2025

    Laura Philipp with the new ABUS TT helmet
    Laura Philipp, winner of Challenge Roth. Seen here wearing the new ABUS TT helmet.
    Jonas Schomburg with the new ABUS TT helmet © Niklas Vogel
    Jonas Schomburg, 2nd place at Challenge Roth. Seen here wearing the new ABUS TT helmet.
    Jan Stratmann with the new ABUS TT helmet © Tom Kieslich
    Jan Stratmann, 3rd place at Challenge Roth. Seen here wearing the new ABUS TT helmet.
    Ivan Romeo with the new ABUS TT helmet © Leon van Bon
    Ivan Romeo, 7th place in the Tour de France. Seen here wearing the new ABUS TT helmet.
    Frederic Funk in an aero position on a time trial bike during a cycling race, wearing the new ABUS TT helmet and the sponsor logo ERDINGER Alkoholfrei © Tom Meyer
    Frederic Funk, 5th place at Challenge Roth 2025
    Marlen Reusser with the new ABUS TT helmet © Movistar
    Marlen Reusser, winner of the Giro Donne. Seen here wearing the new ABUS TT helmet.
    Laura Philipp with the new ABUS TT helmet
    Laura Philipp, winner of Challenge Roth. Seen here wearing the new ABUS TT helmet.
    Jonas Schomburg with the new ABUS TT helmet © Niklas Vogel
    Jonas Schomburg, 2nd place at Challenge Roth. Seen here wearing the new ABUS TT helmet.
    Jan Stratmann with the new ABUS TT helmet © Tom Kieslich
    Jan Stratmann, 3rd place at Challenge Roth. Seen here wearing the new ABUS TT helmet.
    Ivan Romeo with the new ABUS TT helmet © Leon van Bon
    Ivan Romeo, 7th place in the Tour de France. Seen here wearing the new ABUS TT helmet.
    Frederic Funk in an aero position on a time trial bike during a cycling race, wearing the new ABUS TT helmet and the sponsor logo ERDINGER Alkoholfrei © Tom Meyer
    Frederic Funk, 5th place at Challenge Roth 2025
    Marlen Reusser with the new ABUS TT helmet © Movistar
    Marlen Reusser, winner of the Giro Donne. Seen here wearing the new ABUS TT helmet.

    *DATA NEEDS CONTEXT

    All performance figures are based on selected tests of the final prototype or production configuration with the visor fitted. The production version corresponds to the tested final prototype in terms of the external contours relevant to aerodynamics. Comparative helmets were tested in the respective sizes and configurations. Results may vary depending on helmet size, fit, rider position, visor configuration and wind conditions; without a visor, aerodynamic performance may deteriorate significantly.

    Technologies

    • Ponytail Fit: thanks to the opening in the height-adjustable adjustment system, the helmet is also suitable for long hairstyles such as ponytails, buns, or braids
    • Forced Air Cooling: the ventilation openings are connected to each other via channels on the inside to guide incoming air through the helmet and thus ensure maximum air circulation and a pleasant head climate
    • Magnetic visor: visor attached by magnets to protect the eyes from wind, rain and insects – easily removable and replaceable
    • Zoom™ Spin adjustment system: rotary wheel at the back of the head for individual adjustment of the helmet to the head size
    • Slide Divider™: for individual adjustment of the straps by sliding the strap divider – minimalist and functional
    • Comfort Pads: soft padded inserts for optimum comfort, attached to the helmet with Velcro
    • Removable, washable pads: can be removed and washed by hand or replaced if necessary
    • Magnetic buckle: the straps are fitted with a high-quality, magnetic FIDLOCK buckle to enable the chin buckle to be opened with one hand, even when wearing gloves
    • In-mould process: production process in which the inner cushioning material made of expanded polystyrene (EPS) is foamed directly into the outer shell made of polycarbonate (PC) – this creates a durable and robust connection

    Downloads

    General downloads:

    Recycling

    We have summarised for you which disposal information is important in your country.

    Disposal & labelling of packaging

    Specifications
    color of facets: black, white
    Finish: matt + shiny
    Head size: 54-58 cm
    Ponytail Fit: Yes
    Removable pads: Yes
    Suitable for: Adults
    Chin buckle: Magnetic buckle
    Helmet type: Helmet type, Road helmet
    Visor: magnetic visor
    design color: polar white
    Size: M
    Weight: 480 g
    Washable pads: Yes
    Lower edge: No
    Headring: Half ring
    Forced Air Cooling: Yes
    Mips: No
    Accessories
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
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