It's 7:15 AM. You get out of the car with your bike, water bottle, and the nervousness typical of race day. All you have left is to attach your race number. And then the other stuff begins.
You pull zip ties from your pocket (the ones you promised yourself not to forget this time), try to thread them through the holes of the race number without tearing them, twist, adjust, tighten too much, and the plastic ends up crooked. Or you use elastic bands, which get tangled, vibrate with every stone on the path, and by kilometer 12, the race number is hanging like a flag on a windless day.
This post isn't about watts or aerodynamics. It's about something more basic: how to attach a race number to your bike cleanly, quickly, and without ruining anything, including your nerves.
The real problem with zip ties and elastic bands
Nylon zip ties are cheap and found in every garage drawer, but they have a huge flaw for attaching race numbers: they are single-use. You cut them, and they're no longer useful. Reusable ones don't hold as tight. And if you thread them through the race number holes, the plastic corners end up tearing the paper before you even finish the race.
Elastic bands are worse in another sense: they transmit vibration. On a dirt road, the race number swings, hits the frame, and if you've invested in a nice paint job... you know how that story ends. Plus, with summer heat, elastic bands age quickly and break at the worst possible moment.
The result in both cases: more time in the starting area doing crafts instead of warming up, and a race number that arrives at the finish line in worse condition than it started.
How much does it really cost to fix this?
This is where many cyclists are surprised. The solution isn't expensive. A specific bike race number holder costs between €12 and €15 in most cases, installs in minutes, and lasts for entire seasons.
To put it in perspective:
- A pack of quality reusable zip ties: €4-6, and you still waste time and damage the frame.
- A Pedra race number holder: one purchase, dozens of races, zero problems.
The cost per use of a race number holder is, literally, cents. It's one of the accessories with the best return on investment you can add to your bike.
How the Pedra race number holder works
Pedra race number holders are manufactured with high-quality 3D printing in the province of Alicante. There are two versions depending on where you want to place the race number:
Front mount — Compatible with GoPro mounts. If your stem or handlebars already have a GoPro mounting point (and more and more models come with it as standard), simply snap the mount into place. No screws, no tools. The race number remains firm, visible, and centered in front of the handlebars.
Rear mount — Compatible with Garmin mounts. Same concept: if you have a Garmin GPS mounted on your seatpost or on the back of your saddle, the holder uses that same mounting point. Result: the race number is in the regulation rear position without touching the frame or cables.
In both cases, the race number is secured with pins or screws that easily puncture the paper, maintain uniform tension, and do not vibrate with the terrain.
The effort saved that isn't measured in watts
There are two types of effort in a race: physical, which everyone talks about, and mental, which almost no one talks about.
Arriving at the start having lost ten minutes fighting with the race number, with irritated fingers from tightening zip ties, and with doubts about whether it will last the entire race, is already a drain. It's a small stress that adds to the normal tension of race day.
A race number holder eliminates that friction point. The race number is attached in 30 seconds, stays firm, and you can focus on what matters: warming up, hydrating, and starting the race with a clear head.
For event organizers or cyclists who compete several times a month, this is even more relevant. Less preparation time per race = more energy available for what really matters.
Advantages over traditional solutions
| Zip ties/elastic bands | Pedra holder | |
|---|---|---|
| Installation time | 5-15 minutes | < 1 minute |
| Risk of frame damage | High (scratches) | None |
| Durability | 1-2 uses | Indefinite |
| Race number vibration | High | Minimal |
| Long-term cost | Recurring | One-time |
| Compatible with standard mounts | No | Yes (GoPro / Garmin) |
Who it makes the most sense for
- XCO, XCM, or gravel cyclists who compete regularly and want to eliminate unnecessary preparation steps.
- Teams and clubs that organize group rides to races and need everyone to attach their race number quickly and without drama.
- Event organizers who want to offer their participants a more professional experience from race number collection.
- Anyone who has ever torn a race number with a zip tie and doesn't want to repeat it.
Conclusion
You don't need to spend a fortune to solve one of the small but constant problems of competitive cycling. For the price of two coffees at a service station, you get a race number holder that works race after race, doesn't damage your bike, and takes a problem off your plate before you start.
And if you already have a GoPro or Garmin mount on your bike, you don't even need to install anything new. It simply snaps on.
See front race number holder → https://pedra.bike/products/portadorsales?variant=56854806069580
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