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r/carryshitolympics

▲ 1 r/carryshitolympics+1 crossposts

Requesting about $15 for anti puncture inner tubes.

Need around 15 bucks (not sure what tax equals out to) for two new inner tubes. I'm exhausted pushing my bike and trailer around town all weekend in 100 degree weather. I tried using slime plus other "fix it hacks" and that was not effective at all just a mess and frustration... I'm trying to get to some labor gigs but need my bike rolling I got 2 flat tires from all the debris on my side of town. Anyway I was thinking the pre slime anti puncture inner tubes are supposed to be long lasting and are about $7 each. Anything to spare would help me tremendously and put me back in the game. Again thank you all so much for helping me on my journey and making this hell a bit less stressful when you can. Much love even if you can't

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u/Exotic-Bite7879 — 3 days ago
▲ 103 r/carryshitolympics

Found a Free 1x4 While Riding Home

I had to ride rather bow legged but I managed to make it home! The board must have fallen off a truck and landed in the ditch.

u/lustforrust — 6 days ago
▲ 86 r/carryshitolympics

Should i ask my dad? Nah, i got this.

Got a 2 meter USM table for free - girlfriend wanted to ask her dad if he could help us out with a car.

I said nah, i got this. 😼

u/NCXXCN — 8 days ago
▲ 15 r/carryshitolympics

I built a way to turn a cardboard bike box into a rolling travel case — but it's 3D printed

Hey everyone, I’m Benjamin. I live out on the Olympic Peninsula in Washington. Most of my free time goes into mountain biking, gravel riding, and bikepacking, anywhere I can get lost for a while.

This whole project started on a bikepacking trip to Catalina Island back in February 2025. Llike most people doing a fly‑in bikepacking adventure, I packed my bike in a cardboard box and brought my roll of duct tape for the return trip. All my friends had those nice rolling bike cases… and I was dragging my cardboard box through the airport.

At some point during that trip I thought, “Why can’t my cardboard box roll just like theirs?”
That question stuck with me for months.

I’ve got a background in CAD design, so I started prototyping with my 3D printer and testing ways to make a standard bike box roll with an easy user experience. I traveled with early prototypes, broke a few things, fixed a few things, and kept refining.

Eventually I ended up with two modular systems that attach to any cardboard bike box and turns it into a legit rolling travel case. I’ve used them on multiple trips now, and it’s honestly been a blast to test its limits and see how far I can push the idea. One of the two systems is for races and bikepacking trips (the bougie one) and the other (the super light one) can bolt onto your bike or small enough to fit into your bags when you ditch the box after your arrival flight.

I started my gear site as a place to share the adventure tools I’ve been building, and this is just the beginning. I’m excited to keep developing the site, improving improving my products, and seeing how people use it on their own trips.

Here is the site to check out: https://trailbornegear.com/collections/roll-pack-collection

If anyone wants more details about the build process (spoiler alert: a 3D printer in my living room) or how the system works, I’m happy to share more.

u/LegitimateEnd638 — 11 days ago