Newest Questions
22,058 questions
1
vote
2
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53
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What is a deterministic way to unfuse this quill stem?
This is a Firmstrong Urban Man 24" Single Speed:
I bought it used in a thrift store in the Salt Lake City, Utah, area.
As far as I know, the quill stem is not welded to the fork steerer tube, ...
7
votes
4
answers
778
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Parent push bike where the pedals move WITH the wheels
I saw a similar question asked before but every response was to get a balance bike. My child has a number of medical conditions that make her physically and cognitively unable to ride a balance bike. ...
- 71
5
votes
2
answers
350
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Freewheel hub repair
I'm trying to repair a rear axel on a old raliegh folder I was gifted.The cup on the freewheel side seems to be missing .Is it replaceable?I had a look on google but I'm a bit confused!Its a screw on ...
3
votes
0
answers
49
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Cateye Velo 7 stops half way through a ride
My Cateye Velo 7, which I have had for about 18 months, stopped working halfway through a ride a couple of weeks ago. It was working fine then it stopped recording speed and distance and after a while ...
- 31
4
votes
2
answers
225
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Mixing spoke diameters?
Is it a problem to build a wheel with different spoke thickness? I volunteer at the local non-profit LBS, and the inventory is not always consistent. I have a wheel build project in the queue, but I ...
- 695
0
votes
0
answers
30
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How to use back pedaling method for bike fit assessments?
I saw it on Dougie Shaw's youtube videos and tried it myself. When I am reverse pedaling on the trainer, there is a small hitch at the bottom of the pedal stroke. What do you think does that imply?
- 2,506
8
votes
2
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572
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What is the better option for heavier riders, a 32mm at lowest recommended pressure (or even below) or a 35mm at max pressure?
I want to replace my old 40mm tires with some higher-quality faster road tires and I have boiled it down to either a 32mm or a 35mm tire. My issue is that with my system weight of 100-105kg I will ...
- 5,316
8
votes
3
answers
610
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Poor shifting after new chain
I recently got a kmc chain off Amazon. My cassette has 9 gears so I bought a 9 speed chain. After throwing it on, my shifting became terrible. The old chain and new had quick links so the rear wheel ...
- 561
2
votes
0
answers
56
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suspicious carbon seat stay scratch [duplicate]
need your insight about that suspicious scratch on the left seat stay of my carbon frame giant revolt adv 2. spotted this a long time ago, but it didn’t really catch my attention til now (doesn’t seem ...
- 21
-1
votes
1
answer
88
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Need to identify my used marin bike [closed]
Serial no HA16640GSC036 to my 17" bike brand
Marin larkspur cs1 black bike tan tires
Need more info
Tires are 700x35c 35-622
Source: https://www.trailheadcycling.com/product/marin-larkspur-cs1-...
- 11
4
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0
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123
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10
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6
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1k
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Is there any good budget hack in lieu of a bike repair stand?
I have been trying my hand at working on bikes myself and learning just how complicated and difficult it can sometimes be. I have acquired a number of standard bike tools. I have also found that there ...
5
votes
2
answers
635
views
How can I raise the handlebars on this bike?
I've done this many times on other bikes. Usually, I loosen a very long screw (pic 1), and sometimes I also loosen the other part (pic 2). But this time, no matter what I do, the handlebars on this ...
- 203
8
votes
4
answers
446
views
Tire Pressure Calculator and Hybrids
When using a tire pressure calculator, which category does a hybrid bike fit into: Road, Gravel, or Mountain? Calculators don't offer a hybrid category.
- 81
8
votes
2
answers
1k
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Does this carbon fork need to be replaced?
[][1
Recently Bought a used Caad12 and somehow missed these scratches on the carbon fork. Part of me feels like this is mostly (or entirely) cosmetic damage but the location has me a bit paranoid of ...
- 81