pedalling analysis, max power 2300W ±1%, gradient up to 24%
This home trainer is a must-have for cyclists looking to optimise their performance, whether for training or competition.
Technology specialist
The exercise bike Elite Justo 2 is the top-of-the-range machine that redefines the indoor training experience, establishing itself as the new benchmark in the market. Designed for serious enthusiasts and professional athletes, the Justo 2 combines surgical precision with advanced connectivity features, ensuring that every pedal stroke counts to maximise fitness gains.
High-performance training requires reliable data, and the Justo 2 meets this requirement with exceptional power accuracy. This model features an optical torque sensor (OTS) capable of measuring your effort with a claimed accuracy of +/- 1 per cent. This measurement accuracy rivals that of the best power meters on the market.
The Justo 2 is a tool of raw power, capable of simulating:
Furthermore, manual calibration is no longer necessary thanks to the automatic calibration function. This process ensures optimal and consistent performance without the need for regular user intervention.
The Justo 2 transforms long hours of indoor training into a more natural and comfortable experience – a key factor in staying motivated throughout the season.
The Justo 2 features a 7.2 kg heavier flywheel, ensuring an incredibly smooth, realistic and very responsive pedalling feel. This increased weight improves inertia, a benefit that is noticeable during sprints and tempo rides.
For the first time at Elite, the Justo 2 features flexible pads, or ‘Flex Feet’, which allow for a slight lateral oscillation whilst pedalling. This gentle movement mimics the natural oscillation of a bicycle, reducing fatigue on long rides and minimising the stress placed on the frame, particularly when the cyclist stands up on the pedals. The machine comes with two sets of pads: Red (7 degrees of lateral micro-oscillation) and Black (4.5 degrees), allowing the level of flexibility to be adjusted according to the user’s body type and preferences.
The Justo 2 is renowned for its ultra-quiet operation. It is significantly quieter than other high-end models, meaning that the only audible sound is that of the bike’s drivetrain. This is ideal for those who share a home or live in a flat.
Connectivity is key to a seamless experience. The Justo 2 is equipped with all the connectivity options needed for the future of e-cycling.
TheElite Justo 2 is designed for quick installation and maximum compatibility, minimising hassle for the user.
By choosing theElite With Justo 2, cyclists are investing in a reliable and durable product, designed by Elite, a pioneering brand in connected exercise bikes. The Justo 2 also includes a free 36-month subscription to the My E-Training software and app, giving you access to structured training sessions and realistic video routes.
The Justo 2 is a high-quality, interactive direct-drive exercise bike, offering top-of-the-range specifications and outperforming the competition in several areas, making it the ideal solution for maximising your training time and ensuring an immersive and precise experience.
The Justo2 is used by the UAE and Groupama FDJ teams in the Grand Tours.
- Maximum gradient of up to 24%
- Maximum power: 2300 W
- Flywheel: 7.2 kg
- Built-in power sensor: accuracy ±1%
- Cadence (without a sensor), speed, power
- Fully interactive, with an enhanced ERG mode and automatic calibration
- New flexible pedals designed to make pedalling feel even more realistic
- Compatible with the slope simulator Elite Rizer (not included)
- Dimensions: 570 x 720 x 520 mm
- Dimensions when folded: 570 x 195 x 520 mm
- Maximum load: 110 kg
- wheel compatibility: 5x130–135 mm quick-release axle | and 12x142 mm thru-axle; adaptors are available for Boost or SuperBoost MTB standards
- Cassette compatibility: Shimano®/SRAM 9/10/11/12 times | SRAM SX 12 times | SRAM NX 12 times
- Power supply: input 100–240 volts, 50–60 Hz | output 12 volts, 1.5A; can operate without an internet connection or mains power.
Contents:
- Exercise Bike Elite Justo 2
- SHIMANO freewheel
- Cassette Shimano 105, 12-speed, 11-34, pre-fitted
- Travel notebook
- Instructions
- AC mains adapter
- 12mm spindle adapter
TheElite From the outset, the Justo 2 has established itself as the new benchmark in the high-end direct-drive home trainer category, rivalling the market’s established leaders. It is a machine that impresses with its ability to balance cutting-edge specifications with a remarkably smooth and realistic user experience.
Setting up the Justo 2 is quick and easy. The home trainer is delivered ‘almost ready to ride’, and even includes a cassette Shimano 12-speed (11-34) pre-installed – a welcome addition that significantly reduces assembly time for users Shimano 12 speeds. Simply unfold the two side legs until you hear a click, then secure the flywheel cover with two screws.
Once the bike is in place (using the included axle adaptors, whether for quick-release or thru-axle), the Justo 2 has a large footprint, which gives it great stability – essential during powerful sprints. One minor concern is the carrying handle: although the faux-leather strap is sturdy, the total weight of the unit (around 17.1 kg) and its centre of gravity make moving it – even for storage – a bit of a struggle. Nevertheless, its ability to fold away (to just 195 mm in width) makes it easy to store.
The pedalling feel is this home trainer’s standout feature. The 7.2 kg flywheel (a significant improvement on previous models) offers remarkable inertia and smoothness, comparable to that of the best competitors on the market. In Simulation mode (on Zwift or MyWhoosh), the home trainer reacts instantly to changes in gradient or gear ratio, even at low speeds and with low inertia, which greatly enhances the riding experience.
The Justo 2 is also fitted with Flex Feet – pads under the side feet that allow for slight lateral oscillation. Two sets are included: the red ones (7 degrees) and the black ones (4.5 degrees). This slight movement is beneficial as it simulates the natural rocking motion of a bike, minimising stress on the frame and reducing fatigue during long indoor rides.
In ERG mode, the experience is described as incredibly smooth and precise. The home trainer offers four power smoothing options. The Easy Start feature is a real blessing for structured training sessions: if pedalling stops mid-interval, the trainer temporarily removes the resistance, thereby avoiding the sudden effort required to get the flywheel moving again – a situation often referred to as the ‘circle of death’.
The reliability of the Justo 2 is ensured by a built-in Optical Torque Sensor (OTS), which guarantees a power measurement accuracy of +/- 1 per cent.
This accuracy was confirmed during rigorous testing, producing “rock-solid” data that matched the claimed deviation during long, controlled tests. Furthermore, the Justo 2 features an auto-calibration system (auto-spindown), which ensures optimal performance without the need for frequent manual calibration, making it very practical for everyday use.
The Justo 2 calculates cadence based on power and speed data, but not via a dedicated sensor. Intermittent anomalies (cadence spikes) were observed, but these have largely been resolved by a firmware update (firmware 21), ensuring stable performance for training and road cycling.
Connectivity is one of the areas in which the Justo 2 excels, offering a comprehensive range of protocols.
The Justo 2 is compatible with a wide range of units (Shimano/SRAM 9/10/11/12-speed, Campagnolo, , SRAM (XD/XDR) thanks to its included freewheel body and the availability of additional adaptors.
The Justo 2 is often regarded as the new global benchmark in terms of value for money.
| Strengths | Weaknesses |
|---|---|
| A very realistic pedalling sensation thanks to | The leather carry handle makes the |
| Power accuracy of +/- 1 per cent. | Occasional micro-anomalies in the |
| Quiet operation (super quiet, | The leg-folding mechanism can |
| 10 Hz Wi-Fi connectivity for a | The need to buy a freewheel body |
| Easy Start function for ERG mode | |
| Can be used without a power supply |
The exercise bike Elite Justo 2 is an extremely sophisticated and well-engineered device, which has been chosen as the official unit for the finals of the UCI Cycling Esports World Championships. It is currently one of the most comprehensive solutions on the market. By offering a riding experience that closely mimics the road, professional-grade power accuracy and flawless connectivity (notably via Wi-Fi and Fast Track), it is a sound investment for those looking to maximise their performance indoors. It has established itself as the new benchmark, offering a slightly superior set of features to its direct rivals whilst remaining competitively priced.
It’s the perfect tool for turning the rigours of winter training into an enjoyable and highly effective routine.
Frequently asked questions
Le capteur de puissance intégré OTS (Optical Torque Sensor) du Justo 2 affiche une précision annoncée de moins de 1%, ce qui le place parmi les home trainers les plus précis du marché. Les tests indépendants confirment cette précision, avec des résultats montrant une déviation maximale de 1,75% sur les intervalles courts et une concordance quasi parfaite sur les efforts soutenus. Le home trainer effectue une calibration automatique périodique sans intervention de l'utilisateur, garantissant une précision constante dans le temps.
La question du bruit génère des réponses nuancées. À puissance modérée (150W), le Justo 2 est effectivement très silencieux. Cependant, des tests acoustiques professionnels révèlent que lors d'efforts intenses ou sur des braquets élevés, l'appareil génère des vibrations à basses fréquences perceptibles dans toute la maison. Un testeur rapporte que sa famille lui a demandé d'arrêter d'utiliser le trainer après une journée en raison de ce "grondement" à basse fréquence. Le niveau de bruit dépend fortement de la puissance développée et du braquet utilisé.
Le Justo 2 se positionne légèrement moins cher que le Wahoo Kickr V6 (environ 10% de différence). Il offre des spécifications comparables : volant d'inertie de 7,2 kg contre 7,25 kg pour le Kickr, pente simulable jusqu'à 24%, puissance maximale de 2 300W. Le Justo 2 se distingue par sa connectivité Wi-Fi intégrée, sa cassette Shimano 12 vitesses préinstallée et un abonnement gratuit de 36 mois à My E-Training. En revanche, le Kickr V6 dispose d'une poignée de transport plus robuste et d'une assistance client historiquement plus réactive.
Le Justo 2 est livré avec une cassette Shimano 12 vitesses (11-34) préinstallée. Il est compatible avec les vélos route, gravel et VTT équipés de moyeux à blocage rapide (130-135 x 5mm) ou d'axes traversants 142 x 12mm (adaptateurs inclus). Pour les cassettes, le home trainer accepte Shimano 9/10/11/12 vitesses, Campagnolo 9/10/11/12 vitesses, SRAM NX 12 vitesses et SRAM XD/XDR 11/12 vitesses (corps de roue libre disponibles séparément). Des adaptateurs supplémentaires sont nécessaires pour les standards Boost 148mm ou Super Boost 157mm.
L'installation physique est relativement simple selon les testeurs. Le processus comprend le dépliage des pieds latéraux, le choix des adaptateurs appropriés, le retrait de la roue arrière et le montage du vélo. La partie la plus délicate concerne le remplacement de la cassette si nécessaire, qui nécessite des outils spécifiques (clé à fouet, démonte-cassette, clé de 17mm ou Allen de 6mm). La configuration électronique via l'application My E-Training permet de connecter le trainer au Wi-Fi domestique pour les mises à jour automatiques du firmware. Le poids de 17 kg et la poignée en simili-cuir rendent le transport plus difficile que sur des modèles concurrents.
Le mode ERG du Justo 2 bénéficie de quatre options de lissage de puissance accessibles via l'application My E-Training. La fonction "Easy Start" facilite la reprise des intervalles après de courtes pauses en donnant 2-3 secondes pour remonter la cadence avant d'appliquer la puissance cible. Certains utilisateurs rapportent des problèmes de stabilité en mode ERG après les mises à jour firmware liées au changement de vitesse virtuel, avec des résistances qui ne s'ajustent pas correctement. Elite a publié le firmware version 21 pour améliorer la stabilité de l'auto-calibration, mais quelques utilisateurs signalent encore des pics de cadence occasionnels.
Le Justo 2 propose deux modes de fonctionnement autonome (stand-alone). Lorsqu'il est branché mais non connecté à un logiciel, vous pouvez prérégler une pente jusqu'à +24% dans My E-Training, et le trainer maintiendra cette résistance même après déconnexion. Sans alimentation électrique ni connexion, vous pouvez ajuster les niveaux de résistance entre 1 et 16 préalablement configurés dans l'application. Cette fonctionnalité permet un entraînement flexible même lors de déplacements ou en l'absence de réseau.
Le home trainer pèse 17 kg (poids réel mesuré). Les dimensions sont de 570 x 720 x 520 mm lorsqu'il est ouvert et 570 x 195 x 520 mm une fois plié. La charge maximale supportée est de 110 kg. Malgré son poids conséquent, les utilisateurs soulignent que la poignée en cuir synthétique placée sur le dessus manque de robustesse pour le transport comparée aux modèles concurrents. Le large empattement et le poids assurent néanmoins une excellente stabilité pendant les sprints à haute puissance.
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We value your opinion
Thierry B. 
Excellent product, easy to assemble, very responsive to the Kinomap courses I use (Translated review)
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