The Continuous Refinement of Primož Roglič’s Bike Setup

Few riders in the professional peloton match the chameleon-like ability of Primož Roglič when it comes to optimising his equipment for wildly different race conditions. The Slovenian champion, a winner of Grand Tours, one-day monuments, and time trials, has built a career on adaptability. His bike, however, is not a static tool—it evolves from week to week, sometimes from stage to stage. Understanding how Roglič and his Jumbo-Visma (now Visma–Lease a Bike) mechanics have refined his setup offers a masterclass in modern bike fitting and race-specific engineering.

From the lightweight climbing machines of his early career to the aerodynamic weapons used in flat sprints and time trials, each component choice serves a distinct purpose. This article dives deep into the evolution of Roglič’s bike setup, examining frame changes, wheel depths, groupset preferences, handlebar configurations, and the subtle adjustments that help him manage heat, rain, and wind.

Early Career: The Foundation of Simplicity

When Roglič turned professional in 2013 after a successful ski-jumping career, his bike was a relatively standard affair. He rode a generic lightweight frame from the team’s sponsor, equipped with standard groupset components and basic aluminium handlebars. The priority then was reliability and weight—every gram counted during the long climbs of the 2014 Vuelta a España, where he burst onto the scene.

At that time, his gear ratios were conservative, with a standard 53/39 chainset and an 11-28 cassette. The wheels were shallow-rimmed (around 30mm) to reduce weight and improve climbing acceleration. The bike geometry remained stock, without custom alterations. Roglič’s focus was purely on getting used to the demands of WorldTour racing, and his equipment reflected that foundational approach.

Transition to a Multi-Discipline Setup

As Roglič grew into a team leader and GC contender, his bike setup became more nuanced. The biggest shift came around 2018, when he began targeting both mountain stages and flat time trials. The team started prepping two distinct bikes for him: a lightweight climbing bike for high-mountain finishes, and an aero road bike for rolling stages and sprints.

Climbing Bike: Weight over Aerodynamics

For summit finishes like the Angliru or Monte Zoncolan, Roglič’s setup prioritises weight savings. He uses the lightest available frame (often a sub-700g model), paired with ultra-light wheels—typically disc-brake carbon rims around 35mm depth to strike a balance between stiffness and weight. The cassette is swapped out for an 11-32 or even 11-34 to provide easier gearing on steep gradients. Tires are 25mm tubulars or tubeless at lower pressures for better traction on loose surfaces.

His cockpit is also simplified: a standard stem and a lightweight alloy handlebar, without aero extensions. The bottle cages are carbon, and the saddle is a minimalist model. Every gram is scrutinised, including the removal of unnecessary spacers and the use of titanium bolts.

Aero Road Bike: Speed on the Flat

When the route flattens out, Roglič switches to a completely different machine. The frame is still carbon, but with a deeper tube profile to cut through the wind. Wheels jump to 50mm or 60mm rims from brands like Bora or Zipp. The handlebars are often integrated aero bars (like the ones used by time trial specialists) that allow him to hold a more aerodynamic position. The chainset may go to a 54/42 or similar compact-aero combination.

Roglič’s saddle height and fore-aft position are slightly adjusted for shorter, more intense efforts. The bike’s weight is higher, but the aerodynamic gains more than compensate, especially in bunch sprints where he acts as lead-out man for his teammates or contests top-five finishes.

Wheels and Tires: A Constant Experiment

Wheels are arguably the most frequently changed component on Roglič’s bike, dictated by terrain, weather, and even the stage’s time schedule. The team uses a dedicated data-driven approach to choose between shallow, mid-section, and deep-section rims.

  • Shallow (30-35mm): Used solely on high mountain stages where climbing speed and reactive acceleration matter more than straight-line speed. Also chosen for wet descents because they handle side winds better.
  • Mid-section (45-50mm): The versatile choice for rolling stages with a mix of hills and flats. These wheels offer a compromise between weight and aero performance.
  • Deep (60-65mm): Preferred on flat time trial stages and flat road stages where the wind is low. Roglič also uses them on sprint finishes to maximise the draft effect.

In recent seasons, the team has also experimented with disc-brake versus rim-brake setups. Roglič currently uses disc brakes exclusively, as they offer better modulation in wet conditions and allow for wider tire clearance (up to 30mm tubulars).

Groupset Evolution: Mechanical to Electronic, Then Wireless

Roglič started his career with mechanical groupsets: Shimano Dura-Ace 9000. The reliability and simplicity were ideal for a rider learning the ropes. By 2016, he had moved to the first generation of electronic shifting Dura-Ace Di2 9070, appreciating the consistent shifting under load, especially when climbing out of the saddle.

The next jump came with the introduction of 11-speed Di2, followed by the wireless 12-speed Dura-Ace R9270 Di2. Roglič was instrumental in providing feedback during prototype testing. Mechanics note that he prefers the immediate gear changes and the ability to customise shift positions via the new sychro shift modes, which let him program front derailleur shifts to happen automatically based on the rear cassette position.

On his time trial bike, Roglič uses a single chainring setup (1x) with a large 60-tooth ring to maintain high speeds on flat courses, while using a rear derailleur with a clutch for chain retention.

Cockpit and Aerodynamics: The Little Tweaks

Roglič is known for his relatively high saddle position (long legs from his ski-jumping days) but a relatively short cockpit length for a rider of his height (1.83m). Over the years, the team has lowered his stem and narrowed his handlebars to reduce frontal area. During the 2020 Tour de France, he used a custom integrated stem/handlebar combo that allowed him to tuck into a time-trial-like position on descents.

For stage races that include both a team time trial and mountain stages, Roglič uses a different stem length. A longer stem (130mm) offers more stable handling at high speed on flat roads, while a shorter stem (110mm) gives more responsiveness on twisting mountain descents. The swap happens in minutes thanks to a modular steerer system.

Weather and Marginal Gains

Rain and Wet Conditions

In rainy stages, Roglič's mechanics apply a hydrophobic coating on the frame and wheels to reduce water drag. Tires are swapped for heavier but more puncture-resistant models with deeper tread. The brake pads are changed to wet-specific compounds to ensure stopping power. The handlebar tape is also replaced with a thicker, moisture-absorbing wrap.

Heat Management

During extreme heat, Roglič uses bottle cages with better insulation and sometimes attaches a prototype hydration system to the frame that allows him to sip water without taking hands off the bars. The saddle may be swapped for a design with a cutout to reduce pressure and improve airflow. The team also uses reflective white bar tape and white saddle to reduce heat absorption.

Technology and Data-driven Setup

The Visma–Lease a Bike team employs a full-time bike fitter and aerodynamics specialist who works with Roglič throughout the season. They use wind tunnel testing and on-road power data to fine-tune his position. For example, in 2022, Roglič lowered his torso by 2cm after a wind tunnel session showed a reduction of 5 watts at 45 km/h.

On the bike, he uses a GPS computer that feeds real-time wind speed and direction to the mechanics, who then adjust his front wheel depth during the feed zone based on the day's wind forecast. This kind of mid-stage adjustment is rare but shows the depth of preparation.

Additionally, Roglič has experimented with different crank lengths: from 172.5mm to 170mm on certain stages to reduce hip angle and improve power delivery on steep gradients. The team also uses power meter pedals (often from Garmin or SRM) that sync with his training software, allowing him to review his pedalling efficiency post-stage.

Race Examples: Setup in Action

2019 Vuelta a España – High Mountain Stage

Roglič used a lightweight climbing bike with 35mm rims and a 11-32 cassette. His gearing allowed him to spin an easy cadence on the steep ramps of the final climb. He wore a light helmet, and his bottle cages were positioned asymmetrically for better aerodynamics on descents.

2020 Tour de France – Time Trial Stage

For the final time trial, Roglič switched to his specialised TT bike with a full disc rear wheel, a tri-spoke front wheel, and a highly aggressive position. The front brake was integrated into the fork, and the handlebars were custom-moulded to his arms. He wore a chrono helmet with ventilation plugs on the back.

2022 Paris-Nice – Windy Flat Stage

On a stage with strong crosswinds, Roglič used a mid-section wheel (45mm) to avoid being blown around. His team swapped his front wheel to a shallow rim at the feed zone when the wind picked up. The result: he stayed in position without being sent into the gutter.

2023 Giro d’Italia – Wet Mountain Stage

Rain forced Roglič to use disc brakes and wider tires (28mm). His mechanics applied a silicone-based lubricant to the chain to prevent corrosion. The cockpit had an extra layer of handlebar tape for grip. Roglič noted later that the confidence in braking on wet descents was key to his stage victory.

The Role of the Mechanics and Team

Behind every bike setup is a team of mechanics who know Roglič’s preferences intimately. They arrive at each race with multiple wheelsets, stems, cassettes, and even complete spare frames. During the race, they communicate with the car to anticipate weather changes and upcoming terrain. A typical stage might see two or three wheel swaps, a handlebar change, and a derailleur adjustment.

The mechanics also handle the digital setup: they reprogram the Di2 shifting buttons for Roglič’s preferred modes, adjust the power meter calibration, and ensure the GPS unit’s battery is fully charged. They use torque wrenches on every bolt to prevent any loosening.

As technology advances, Roglič is likely to transition to even more customised components. 3D-printed saddles, one-piece frames with integrated storage, and fully wireless shifting are already in use. The team is testing 1x drivetrains for road racing (similar to what is standard in gravel) to save weight and simplify shifting on mountain stages. Aerodynamic sensors that measure yaw angle in real time and automatically adjust the rider’s position (through smart handlebars) are on the horizon.

Another area of development is brake cooling: Roglič has used disc brake rotors with heat sinks during high-speed descending stages to prevent fading. The team may also experiment with tubeless tires that seal punctures automatically, reducing the risk of a mid-race change.

Conclusion

Primož Roglič’s bike setup is not a single configuration but a seasonal, day-by-day evolution. The willingness to swap frames, wheels, handlebars, and even drivetrain components mid-race shows a depth of preparation that few riders match. From the basic lightweight bikes of his debut to the data-driven, wind-tunnel-optimised machines of today, Roglič’s equipment choices reflect a mind that treats every race condition as a new puzzle. For amateur cyclists and fans alike, studying his setup provides a blueprint on how to optimise a bike for varying conditions—from steep alpine climbs to flat sprints and rainy descents.

To learn more about the technical side of professional cycling setups, refer to Cyclingnews' pro bike features, SRAM’s insight into Roglič’s groupset, and the BikeRadar analysis of pro gear choices.