Black Friday: 9 must-have gadgets for cyclists and triathletes in 2025

The best cycling gadgets of 2025 for triathletes and cyclists: GPS, radar lights and essential accessories for safer training.

The gadgets that will be trending in 2025 among cyclists and triathletes

If you ride a bike daily — whether training for a triathlon, getting around town, or doing weekend rides — you've probably noticed that technology has become part of your essential gear.

By 2025, cycling gadgets will go far beyond measuring speed: they will offer security, data analysis, navigation and total connectivity.

In this guide we gather 10 featured accessories for reliability, value for money and compatibility with popular platforms such as Strava, Garmin, Zwift or TrainingPeaks.

We've included two devices that we've tested and are a huge hit with triathletes: the iGPSPORT BSC300T (touchscreen cycle computer) and the iGPSPORT SR Mini (rear light with radar), along with other highly valued options.

Why is it worth investing in cycling gadgets in 2025?

The new generation of accessories does more than just provide data: It allows you to train better and move more safely.

Cycling computers now include offline maps, rear radar detects cars at a distance, lights automatically adjust their brightness, and many devices integrate AI to predict performance or manage battery.

For triathletes or cyclists, these tools are key: they help optimize training in various disciplines, power planning, improved navigation on long routes and better load control.

Top 10 gadgets for cyclists and triathletes in 2025

iGPSPORT BSC300T – Touchscreen GPS Cycling Computer

2,4” color display, over 130 metrics, offline map navigation, and up to 20 hours of battery life. Compatible with ANT+ and Bluetooth sensors. Ideal for triathletes who train by power and need reliable data on long rides.

buy on Amazon Spain / Decathlon.

iGPSPORT SR Mini – Rear light with radar

One of the best allies for safe cycling. Detects vehicles up to 1,2 km away and adjusts the brightness to increase your visibility.

20km battery life and alerts connected to the cycling computer. Very useful for urban cyclists and routes with traffic.

buy on Amazon Spain.

Garmin Varia RTL515 – Advanced Rearview Camera

A leader in cycling safety. It offers alerts from your mobile phone or Garmin cycling computer, 220° visibility, and a range of 140 m. Perfect for those already training with the Garmin ecosystem.

buy on Amazon Spain / Decathlon.

Wahoo ELEMNT Bolt V2 – Compact and reliable GPS

Fast, intuitive, and with pre-installed maps. 15-hour battery life, turn-by-turn navigation, and Zwift synchronization for indoor cycling. Ideal for structured workouts.

buy on Amazon Spain.

GoPro Hero 13 Black – Camera to record your routes

For those who enjoy watching their technique or sharing routes. 5.3K video, HyperSmooth stabilization, and helmet or handlebar mount.

buy on Amazon Spain / Decathlon.

Quad Lock – Secure Mobile Phone Holder

Turn your smartphone into a vibration-free GPS. Very practical for urban cyclists and triathletes who want to consult maps without interruptions.

buy on Amazon Spain / Decathlon.

Airbank Pocket Pro – Portable Compressor

Inflates tires in minutes, reaches 150 PSI, and fits in your jersey pocket. Useful for gravel, mountain biking, or long rides where a regular pump isn't enough.

buy on Amazon Spain.

Topeak Mini Morph – Hybrid hand/foot pump

A lightweight and reliable option (less than 200g) that combines a hand pump with a small foot support. It pumps up to 160 PSI.

buy on Amazon Spain / Decathlon.

Apple AirTag – Locator to protect your bike

Small, inexpensive, and easy to hide in the frame or saddle. Perfect for avoiding surprises on trips or during competitions.

buy on Amazon Spain .

Quick tips for choosing your cycling gadgets

• Start with the basics: Lights, mobile phone holder and tools (less than €50).
• If you train for triathlons: opts for touchscreen GPS + radar.
• Compatibility: Look for ANT+ and Bluetooth to integrate it with your setup.
• Indoor + outdoor: combines smart roller with cycle computer.
• Safety: If you can only buy one gadget, make it the rear radar.

FAQ – Gadgets for cyclists and triathletes in 2025

1. What cycling gadgets are essential to get started?
   For most cyclists and triathletes, the basics are: front and rear lights, rear radar, mobile phone stand y portable pump or compressorFrom there, you can add a GPS cycling computer if you train in a structured way.
2. Do I need a GPS cycling computer if I already use a mobile phone?
   It's not mandatory, but it is recommended. GPS is more preciseIt withstands the rain better, it has more autonomy and allows you to see power, cadence, and advanced metricsMobile phones work for occasional routes, but for triathlons, GPS is much more reliable.
3. What is the difference between a normal rear light and a radar like the iGPSPORT SR Mini or Garmin Varia?
   Lights only make you visible; radar detects vehicles approaching from behind and it alerts you on your GPS or mobile phone. It's one of the features that more security it provides while cycling on the road.
4. How long does the battery last on these gadgets?
   It depends on the device, but most offer between 10 and 20 hours.
   Examples:

• iGPSPORT SR Mini Radar → up to 20 room
• Garmin Varia RTL515 → 16 room
• iGPSPORT BSC300T → 20 room
• Wahoo Bolt → 15 room

5. Are they compatible with apps like Strava or Zwift?
   Yes. All the gadgets recommended in the guide work with Strava, training peaks and popular platforms. GPS devices from Garmin, Wahoo, and iGPSPORT also allow automatic synchronization.
   For Zwift, only the smart rollers and some GPS They allow for real integration.
6. Which gadget best improves my road safety?
   Undoubtedly, the rear radarIt detects cars before you do, displays approach speed, and increases visibility. For urban or road cyclists, it's a key investment.
7. Are the gadgets also suitable for MTB or gravel?
   Yes. Most of them work the same way. road, gravel and MTBEspecially GPS devices, pumps, mounts, and cameras. Just make sure to choose a vibration-resistant mount if you're going off-road.
8. Which indoor trainer is best for training if I'm preparing for a triathlon?
   El Zwift Hub One It's a well-rounded option for winter training: automatic resistance, easy assembly, and universal compatibility. If you're looking for something more advanced, Wahoo or Elite direct-drive trainers are common alternatives.
9. How to choose a good mobile phone holder?
   Opt for models antivibration And with a secure closure. Quad Lock is the benchmark because it allows you to remove and insert your phone in seconds, without bouncing and without risk of drops.
10. What gadget would you recommend if you could only buy one?
    For safety: Rear radar.
    For performance: GPS cycling computer.
    For daily transport: Mount + rear light.
11. Do AirTags really work to locate a stolen bike?
    It's not an absolute guarantee, but it is a extra layer of securityThey're usually hidden under the saddle, in the bottle cage, or inside the seat tube. They work very well in cities with a high concentration of iPhones.
12. What budget do I need to equip myself properly?
    Depends on the level:

• Basic: 30–60€ (lights + stand).
• Intermediate: 120–250€ (adding radar or advanced bomb).
• Advanced: 300–500€ (GPS + radar + accessories).
• Full: >€600 (premium GPS + radar + roller).