Unanswered Questions
780 questions with no upvoted or accepted answers
2
votes
0
answers
89
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Does anyone know the manufacturer of bicycle parts with this logo?
I would like to know the manufacturer of parts with the logo shown.
It's on a threadless stem, the stem is on a Specialized MTB from around 2001.
The logo is engraved into the metal (not a decal) on ...
2
votes
0
answers
93
views
Are wheels designed for a maximum disc/rotor size?
I'm looking at some new wheels which Shimano describe as "140 mm disc brake rotor compatible". Does this mean they can't handle larger 160mm rotors? If not, why would they make this point, ...
2
votes
0
answers
94
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How to take the nylon strap out of a lock mounting bracket
I am trying to attach the following bike-lock mounting bracket to a bike frame, but the nylon strap is already fastened inside the metal teeth. Is there a way to loosen the fastening mechanism without ...
2
votes
0
answers
50
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Something like chainsuck on RD lower pulley after new crankset install?
I just switched out a Shimano M5100 crankset for a SRAM GX Eagle crankset. I am using a KMC X11-EL chain. I cleaned the chain before installing it with the new crankset. My RD is a Shimano SLX 11-...
2
votes
0
answers
154
views
Shimano spd pedal clicking on downstroke on left side
I got a pair of shimano spd pedals less than a month ago and installed them on my bike (currently set up on an indoor trainer) and started to notice a click recently on the downstroke as I come over ...
2
votes
0
answers
76
views
What factors contribute to tightly fitting tyre
I recently purchased a 2021 Giant Propel Advanced Pro 0 road bike and it came with Giant’s SLR1 hookless wheelset. I have been having a pretty tough time replacing the tube after I have received a ...
2
votes
0
answers
118
views
Hacking Bike Lights: SuperNova E3 Pro 2 with a TL3 Pro
My Challenge (besides trying to overcome the temptation of putting things together that don't quite belong) is trying to get the SuperNova E3 Pro 2 to keep the "parking mode" on with a TL3 ...
2
votes
0
answers
101
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Look at my trike
About 21 days ago exactly I posted for help identifying some junk in a barn.
Today i can show you what these parts were supposed to look like.
I've figured out a bunch during the process.
The lever ...
2
votes
0
answers
103
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I used acid to clean rust from parts on resto project. Should I worry about hydrogen embrittlement?
I have a 1970s U-folder type bike which was very crusty when I acquired it. I removed the rust by soaking the parts in lemon juice for between 24-72 hours, depending on the part. Something I wasn't ...
2
votes
0
answers
76
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Identify this Bianchi - possibly 80s
Can someone please help me identify this Bianchi model?
My uncle has had it in storage for since years – I believe it's from the 80's.
Here are some photos, to help identify the model.
Cheers,
Alex
2
votes
0
answers
176
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Bicycle chain roller diameter size chart?
I'm digging for a while now, and can not find any helpful chart for chain roller diameters e.g. Shimano 8,9,10,11,12 speed. It differs of course depending on the manufacturer and the purpose. We know ...
2
votes
0
answers
77
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My Sturmey-Archer gears seem to 'slip' - why?
This is not really a problem as such - but I am curious.
I have a Pashley bike with a Sturmey-Archer, internal, 3-speed gear, which I have recently cleaned and repaired (changed a broken pawl). And ...
2
votes
0
answers
95
views
Cable housing end cap for BR-M375
I replaced the no name brake calipers on an entry-level ebike for Shimano BR-M375. The cable housing for the rear caliper was a bit too long, so I cut off a few centimeters. Then, I put a new 5 mm end ...
2
votes
1
answer
239
views
Upgrading Shimano Acera 8 speed Rear Derailleur to 8 speed Shimano XTR derailleur
Looking for some help here. I am upgrading Shimano Acera 8 speed rear derailleur to 8 speed Shimano XTR rear derailleur and it appears that because the old 8 speed XTR derailleur has a clip for the ...
2
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0
answers
208
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Why did Pogačar respond to Roglič's and van Aert's attacks in Stage 11 of TdF 2022?
At the conclusions of
Stage 8,
Stage 9,
and
Stage 10
of TdF 2022, Pogačar held the lead in the general classification.
Of the three potential GC contenders in Jumbo-Visma—Primož Roglič,
Wout van Aert, ...