Free · No sign-up needed
What are you getting ready for?
Pick what’s next and see what Trithings sorts out for it, from set-up and race plans to your garage and the best deals.
- Wind plannerYour routeTailwindhomeWhich way the wind blows through the day, and which way to ride so it pushes you home.Plan a ride
- Tyre pressureExample4.21 / 4.47bar75 kg rider, road, 28 mm tubeless, dry. 61 / 65 psi front and rear.Work out yours
- FuellingExample · 3 h ride60 gcarbs per hour4 gels and 2 bottles, with a timed schedule.Plan yours
- Shows its workingEvery answer says how it is worked out.
- Sourced, not guessedBuilt on published research and brand data.
- Free to useNo sign-up needed for any tool.
- Built by a triathleteMade for his own bikes and races first.
Top deals today
Shop all dealsPicked from the shops we read every day. “RRP” savings are against the brand’s price.
My garage · free account
Save your bikes once. Know when every part is due.
- Links to Strava, so mileage counts itself.
- Tracks parts, service jobs and kit like helmets and shoes.
- Every tool remembers your bikes and settings.
Read
More to read
Start here · About us
Why I built Trithings: short legs, three bikes and a tyre pressure chart I nearly laminated
I'm Brian. I fell in love with cycling two summers ago, bought the wrong size more than once and got tired of asking ChatGPT for tyre pressures. So I built the tools I wished I had.
16 October 2026 · 5 min read
Swim
Swim the World: a free November swim challenge to keep triathletes in the pool
SwimTrek's free Swim the World challenge runs to 30 November. What it is, how much to swim, and staying safe in cold water.
13 November 2026 · 6 min read
Bike
Turbo trainer buying guide: which smart trainer to buy this winter for Zwift
Which turbo trainer to buy for Zwift and triathlon training, from €270 to €1,000, the specs that matter, and whether to wait for Black Friday.
13 November 2026 · 7 min read