Welcome to the clinic. Our bike doctor is waiting for you. Please take a seat and listen to this week's community bike tech questions. The team will discuss how to repair old gear shifters, use inner tube sealants, and downgrade to Di2. As always, join us in the comments section to be featured on next week's show.
00:00 Welcome to GCN Tech Clinic
00:25 Why do I get slower when I try harder?
03:56 Why are the numbers on my turbo trainer and power meter different?
05:37 Can you repair an old gear shifter?
06:32 Should I put sealant in the inner tube?
07:05 Should I replace my mechanical Dura-ace groupset with Ultregra Di2?
09:09 How should I clean my bicycle helmet?
10:51 How do I properly wipe a lubricated chain?
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What technology problem keeps you up at night? Let us know in the comments using #askgcntech ⚙️
Learn more about GCN Tech…
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📸 Photos – © Velo Collection (TDW) / Getty Images & © Sprint Cycling Agency
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