Facebook Twitter LinkedIn Pinterest Bluesky Threads What is this coming off my bike/trainer? by AlaskaYoun Bicycling Biking Cycling
The_Broken_Shutter on January 13, 2026 2:02 pm Do you ride your bike outside? Thats dirt 😂 happens with my bikes too on my trainer
Any-Zookeepergame309 on January 13, 2026 2:07 pm Nuclear waste. Better send me that tacx trainer for me to fix and send back to you.
TimmyHiggy on January 13, 2026 2:10 pm Garbage off your dirty chain! Go get yourself inducted into the cult of chain waxing.
clintj1975 on January 13, 2026 2:12 pm Do you wax your chain? That looks like the flakes of Silca wax that my chains shed. Edit: after looking at your chainrings, that’s not a waxed drivetrain. Go clean your chain.
13 Comments
Dirty chain residue
Do you ride your bike outside? Thats dirt 😂 happens with my bikes too on my trainer
Dust with chain lubricant.
Bro, clean your chain
Clean it 🙂
Dirty chain, nothing to worry about it
the answer is, neglect.
Nuclear waste. Better send me that tacx trainer for me to fix and send back to you.
Those are the toxins expelled from your bodyÂ
Garbage off your dirty chain! Go get yourself inducted into the cult of chain waxing.
Your carelessness.
Do you wax your chain? That looks like the flakes of Silca wax that my chains shed.
Edit: after looking at your chainrings, that’s not a waxed drivetrain. Go clean your chain.
dirt
clean your chain