Workshop

Bike computer

- The T-Rex Dual Solar is aimed at outdoor sports enthusiasts undertaking long trips; two solar panels extend the battery life, but do not fully replace USB charging.  
- Battery life: up to 25 days typically; up to 51 days with three hours of light per day; GPS battery life increases from 48 to up to 57 hours.  
- Dual GPS, offline maps, robust titanium casing, 10 ATM, over 180 sport modes, LED torch, NFC payments, Bluetooth calling, price €649.90.

Amazfit T-Rex Dual Solar: Sports watch with photovoltaic technology for extra-long battery life

- Osmo 360 II: 8K/60 fps, 1-inch HDR sensor, 14.5 f-stops, 183 g, 105 GB storage, up to 100 mins at 8K/30 fps, price from 589 euros  
- Relevant for MTB: free choice of perspective, promised strong stabilisation, low-light features and, for the first time, interchangeable lenses  
- The editorial team highlights the potential but points out the lack of practical testing regarding image quality, stabilisation, battery life and usability

New DJI Osmo 360 II: 8K and interchangeable lenses for MTB shots with a 360-degree view

BIKE COMPUTER

- The DT Swiss TRACKR SPEED integrates the Wahoo speed sensor invisibly into the hub, prioritising aesthetics and system integration.  
- Functionally, it is equivalent to the classic Wahoo TRACKR SPEED, but offers no improvement in measurement accuracy, only in appearance and handling.  
- The integrated battery, which is rechargeable via a magnetic cable, replaces button cells; no retrofitting is required – it is only available with new DT Swiss wheelsets for road bikes and gravel bikes.

DT Swiss Trackr Speed: A speed sensor with style

- A helmet, a good pair of cycling shorts, a puncture repair kit, a mini pump and a floor pump, a water bottle and lights are essential for safety and comfort.  
- Correct tyre pressure and staying well-hydrated significantly improve safety, performance and riding comfort.  
- Expensive extras such as clipless pedals, power metres or carbon upgrades can wait; riding experience and time spent on the bike are more important.

Road bike accessories for beginners: Everyone needs these essentials!

- Wahoo is introducing a three-tier subscription scheme for the app: Base (free), Core (€4.99 per month) and Pro (€17.99 per month), with varying levels of functionality.  
- Core features include 4DP for cyclists and 3DP for runners, supplemented by COROS integration and a wide range of endurance and supplementary training programmes.  
- Base offers basic tracking; Core adds analytics and training insights; Pro includes access to SYSTM, plans, video workouts and mental/recovery workouts.

Training app update: New Wahoo subscriptions & running features

- Quad Lock comes out on top with a score of 1.2 thanks to its very secure grip, high-quality case and versatile – albeit expensive and more complicated – design.  
- SP Connect (score 1.3) offers a similar system with a good case, simple installation and slightly less rigidity, but is significantly cheaper.  
- Topeak is our top pick for value for money; Fidlock is particularly light and comfortable; Acid and SKS are sturdy and affordable respectively, but both are relatively heavy.

Smartphone handlebar mounts put to the test: keep an eye on your sat-nav

- The Topeak Omni RideCase II costs around 30 euros, weighs 55 g and achieved an overall score of 1.5 in the test.
- Universal smartphone holder with an elastic rubber or silicone mesh; buttons remain accessible and it provides a secure hold even on bumpy terrain.
- Tool-free attachment via a Velcro strap to almost all handlebars/stems with a circumference of up to 150 mm; may slip on very smooth surfaces.

Topeak smartphone mount review: a great value-for-money choice for the masses

- SP Connect combines a model-specific smartphone case with a handlebar mount, offering a secure hold and everyday protection for the device.  
- The Micro Bike Mount is compact, can be fitted without tools, and can be positioned flexibly, but is slightly less rigid than Quad Lock.  
- The set costs around 60 euros, about a third less than Quad Lock, and comes with a high-quality case, good handling and a comprehensive range of accessories.

SP Connect Micro Bike Mount review: a smartphone holder with a protective case at a fair price

- At €24.99, the SKS Smartgrip/Smartgrab 360 is the cheapest universal smartphone handlebar mount in the test (suitable for handlebar diameters of 20.5–35 mm).
- Side clamping arms secure the smartphone firmly in both portrait and landscape orientation, but may cover control buttons and require the use of both hands.
- The bulky, relatively heavy design (160 g) looks clunky and wobbles slightly on uneven terrain, but remains functional and straightforward to use.

SKS Smartgrab 360 review: An affordable universal mount for any smartphone

- Fidlock Vacuum combines magnetic force and vacuum, offering ease of use, a universal adhesive pad and easy access to all smartphone buttons.
- Weighing 50–51 g, this mount is the lightest in the test; it is very compact and can be flexibly mounted on the handlebars using various brackets and cable ties.
- Very comfortable in use, though slightly less rigid; the smartphone wobbles on rough sections; the editorial team awards it a ‘recommended buy’.

Review of the Fidlock Vacuum Handlebar Base: A lightweight smartphone holder with magnetic and vacuum fastenings

- The Quad Lock Out Front Mount + Mag Case achieved the highest rating in a comparison of six smartphone mounts, but is one of the most expensive options.
- The system, comprising an arm mount and a model-specific case with a bayonet lock, offers a very secure hold and protection for everyday use, and can be mounted both vertically and horizontally.
- Slim, robust case, well-made, centred position above the stem; a wide range of accessories and a rain cover are available for many models.

Quad Lock Out Front Mount + Mag Case review: A secure smartphone holder that scores top marks

- Sturdy, solid metal mount from Acid/Cube with a classic mounting design, excellent build quality and a secure, wobble-free hold.  
- The knurled screw allows for precise adjustment to accommodate different smartphone sizes; both portrait and landscape orientations are possible.  
- Weighing 170 g, this is the heaviest mount in the test; the angle can only be adjusted with a tool, and the side clamps may cover control buttons; a protective case is recommended.

Smartphone on the handlebars: Cube’s Acid mobile phone holder keeps it secure

Bike computer test: What to look out for? Which model is suitable for which riding style? | Test reports on Garmin, Sigma, Bosch etc. ✅

Bike computers for bikes: Test reports | BIKE

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Bike computers for bikes: Test reports | BIKE

Amazfit T-Rex Dual Solar
Sports watch with photovoltaic technology for extra-long battery life

New DJI Osmo 360 II
8K and interchangeable lenses for MTB shots with a 360-degree view

DT Swiss Trackr Speed
A speed sensor with style

Road bike accessories for beginners
Everyone needs these essentials!

Training app update
New Wahoo subscriptions & running features

Smartphone handlebar mounts put to the test
Keep an eye on your sat-nav

Topeak smartphone mount review
A great value-for-money choice for the masses

SP Connect Micro Bike Mount review
A smartphone holder with a protective case at a fair price

SKS Smartgrab 360 review
An affordable universal mount for any smartphone

Review of the Fidlock Vacuum Handlebar Base
A lightweight smartphone holder with magnetic and vacuum fastenings

Quad Lock Out Front Mount + Mag Case review
A secure smartphone holder that scores top marks

Smartphone on the handlebars
Cube’s Acid mobile phone holder keeps it secure

Bike computers for bikes: Test reports | BIKE

Amazfit T-Rex Dual SolarSports watch with photovoltaic technology for extra-long battery life

New DJI Osmo 360 II8K and interchangeable lenses for MTB shots with a 360-degree view

DT Swiss Trackr SpeedA speed sensor with style

Road bike accessories for beginnersEveryone needs these essentials!

Training app updateNew Wahoo subscriptions & running features

Smartphone handlebar mounts put to the testKeep an eye on your sat-nav

Topeak smartphone mount reviewA great value-for-money choice for the masses

SP Connect Micro Bike Mount reviewA smartphone holder with a protective case at a fair price

SKS Smartgrab 360 reviewAn affordable universal mount for any smartphone

Review of the Fidlock Vacuum Handlebar BaseA lightweight smartphone holder with magnetic and vacuum fastenings

Quad Lock Out Front Mount + Mag Case reviewA secure smartphone holder that scores top marks

Smartphone on the handlebarsCube’s Acid mobile phone holder keeps it secure

Amazfit T-Rex Dual Solar
Sports watch with photovoltaic technology for extra-long battery life

New DJI Osmo 360 II
8K and interchangeable lenses for MTB shots with a 360-degree view

DT Swiss Trackr Speed
A speed sensor with style

Road bike accessories for beginners
Everyone needs these essentials!

Training app update
New Wahoo subscriptions & running features

Smartphone handlebar mounts put to the test
Keep an eye on your sat-nav

Topeak smartphone mount review
A great value-for-money choice for the masses

SP Connect Micro Bike Mount review
A smartphone holder with a protective case at a fair price

SKS Smartgrab 360 review
An affordable universal mount for any smartphone

Review of the Fidlock Vacuum Handlebar Base
A lightweight smartphone holder with magnetic and vacuum fastenings

Quad Lock Out Front Mount + Mag Case review
A secure smartphone holder that scores top marks

Smartphone on the handlebars
Cube’s Acid mobile phone holder keeps it secure