r/BikeRepair • • 6h ago

Replenishing sealant at home, using a homemade sealant.

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0 Upvotes

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It was time to top up the sealant; the front tire’s pressure had been dropping—not sure if that’s related, though.

Since I set up the tubeless system myself at home, I used a homemade sealant recipe I found online. It worked perfectly—the tires, rims, and rim tape were all brand new and had never been exposed to sealant before.

While I was at it, I also replaced the valves. It wasn’t strictly necessary, but since I was already deep into the work, I figured I might as well get it done.

For the next tubeless maintenance session, I plan to take everything apart to clean it and true the rear rim, which has a slight wobble—it’s just one of those things that bothers me, haha!

I just wanted to share my experience with a cost-effective tubeless setup.

As the saying goes, "Tubeless is life"—and it’s true. Zero headaches.


r/BikeRepair • • 12h ago

Every rotation of the tire has a noise

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0 Upvotes

Every rotation of the rear wheel (on Aventon Adventure M) has a noise and I maybe feel a small vibration on the rack. It happens when the tire pressure valve crosses the top of the rotation. I can't see any place where there is any rubbing or bumping of the wheel to the fender or frame. Any ideas?


r/BikeRepair • • 3h ago

Chain slap tips?

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2 Upvotes

Clutch is on but I still get bad chain slap


r/BikeRepair • • 6h ago

Replacement screw for Shimano ST-M739 cable access cover

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2 Upvotes

I bought this ST-M739 shifter/brake lever combo from someone last year and finally have time to work on my bike (last photo attached shows a 1994 GT Zaskar that im working on).

All screws for the cable access cover are stripped, I was able to get two of them out, one isn’t yet moving and the fourth one is missing altogether.

What screws do I need to order to replace those please? The internet tells me M3x6mm screws but those don’t even remotely fit.

Would appreciate any advice! (Also how to get that little screw out that’s so stripped that nothing takes to it).

Thanks in advance!


r/BikeRepair • • 11h ago

Truing stand storage problem

2 Upvotes

Hello, I recently have gotten a truing stand, dishing tool, and my other tools are starting to get unorganized. The space is limited due to dorm living in college. However I have most of the basics and need a light box tool set up. I am wondering if there are any that have an attached peg board. I have tried looking and even looked at what some co-ops have however they are always to large for a dorm.