This one just popped into my inbox and is a great deal for the UK on Bonza Bike Bags. These will be ideal for your trip to Europe for any remaining duathlon/triathlons that haven’t been cancelled and, of course, for that super-cheap European cycling holiday, you could book right now.
A mate of mine used one last year and they are the cheapest way to cover your bike for a flight somewhere. The advantage over the hard box is that you don’t go over the weight limit and so avoid paying £60/£100 or whatever it is for that (BA..grrrrr). Clearly there is less protection from the canvas sides but my mate was alright. Interesting there IS a clever internal frame that you fasten your bike onto.
The image clicks to their site and you use the code BIKEBAG60.
If you want to help me 😉 and get a hard one (ahem) then try one of these at Wiggle: the semi-rigid LifeLine looks good for your wallet at £89 but the name won’t reflect your testosterone levels 😉 Sorry, I’ll grow up now, I don’t usually do smut or bad language on this site but these are hard times.
Last Updated on 22 January 2026 by the5krunner
My favourite kit and nutrition
- Injinji – Runners protect your toes. Avoid discomfort and minor injury. Run more. Run faster. I use them.
- Garmin 90-degree charging adapter — The small adapter that keeps your charging cables tidy. Essential for race day. I use one.
- Garmin charging puck — the fastest and most reliable way to top up your Garmin before a session. I use one.
- Ravemen FR300 — Front light that mounts directly under your Garmin or Wahoo head unit. Keeps your bars clean and your beam pointed where it matters. I use one.
- Body Glide – The blue anti-chafe stick that all swimmers and many runners use. I use it.
- Maurten — The race nutrition trusted by elite athletes. Gels and drink mixes engineered to be easy on the stomach. I use them.
- Garmin Varia RTL515 — A radar rear light that alerts you to vehicles approaching from behind. Pairs with your Edge or Garmin watch. I use this model.
- Favero Assioma Pro RS2 — The power-meter pedals most serious cyclists choose. Accurate, easy to move between bikes. I use this model.
- Garmin Forerunner 970 — A serious choice for a pro-grade triathlon watch. I use this.
- Polar H10 — My daily driver for accurate, waking HRV readings.
- Wahoo ELEMNT Roam 3 — The bike computer that has the feature Garmin lacks: usability. I use mine on most rides.
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tfk is the founder and author of the5krunner, an independent endurance sports technology publication. With 20 years of hands-on testing of GPS watches and wearables, and competing in triathlons at an international age-group level, tfk provides in-depth expert analysis of fitness technology for serious athletes and endurance sport competitors. ID
