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1 vote
2 answers
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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, ...
Julius Karl Hamilton's user avatar
  • 313
7 votes
4 answers
792 views

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. ...
Lindsey's user avatar
  • 71
5 votes
2 answers
351 views

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 ...
Keith Bruford Bennett's user avatar
  • 327
3 votes
0 answers
49 views

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 ...
Russell Dow's user avatar
  • 31
4 votes
2 answers
226 views

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 ...
Ben Stokes's user avatar
  • 695
0 votes
0 answers
30 views

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?
Ender's user avatar
  • 2,506
8 votes
2 answers
572 views

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 ...
WornChain's user avatar
  • 5,316
8 votes
3 answers
610 views

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 ...
AdamO's user avatar
  • 561
2 votes
0 answers
56 views

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 ...
Olivier's user avatar
  • 21
-1 votes
1 answer
88 views

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-...
Michelle's user avatar
  • 11
4 votes
0 answers
123 views

BMX bike toptube logo, engraved into lug casting.
Connor's user avatar
  • 51
10 votes
6 answers
1k views

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 ...
Julius Karl Hamilton's user avatar
  • 313
5 votes
2 answers
635 views

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 ...
Evmorov's user avatar
  • 203
8 votes
4 answers
446 views

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.
Eric K's user avatar
  • 81
8 votes
2 answers
1k views

[][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 ...
Mike's user avatar
  • 81
-2 votes
2 answers
157 views

What practical lessons from very long bicycle tours are most useful for beginners? I recently came across the story of two cyclists who spent about five years travelling by bicycle, covering roughly ...
cyclingVGB's user avatar
  • 5
9 votes
2 answers
1k views

I have managed to overheat my brakes on a test ride before a big(-ish) trip. Fully loaded bike ~20kg + fat old me (80-ish kg) + very steep descent on tarmac. Rear brake went soft all the way to the ...
Art Gertner's user avatar
  • 4,702
4 votes
0 answers
56 views

I am developing a DIY smart bike trainer using a BLDC motor as an electronically controlled load. The motor is connected to the bicycle rear wheel through a friction drive, and braking torque is ...
Yoga's user avatar
  • 41
9 votes
1 answer
600 views

I bought replacement Shimano cables sets for my road bike and the gear cable set included these outer-cable caps that I've never seen before. I found the following diagram that seems to suggests they ...
Benjamin's user avatar
  • 93
1 vote
2 answers
112 views

I have a gravel trail near house I want to start riding. I presently have 31's on my bike, I feel like I need to go up, what is the widest tire that will fit the T700.
Daniel Sheridan's user avatar
  • 19
5 votes
3 answers
326 views

I have a new Trek Madone that I want to set up on a Wahoo Kikr Core 2. I have purchased two allen key sets. the axle is in there very tight. When I get any movement it make a clicking sound, but for ...
triathlon girl's user avatar
  • 51
8 votes
2 answers
473 views

I was advised, on a cycling forum, that the chain length as shown in these photos was just fine and I should leave it be. I was of the opinion that I ought to remove at least one link because the ...
Penny11's user avatar
  • 264
2 votes
2 answers
71 views

I haven't been riding a bike for about two years, before that i was riding it extensively for about 5 or more years. It is a 26 inch mountain bike (if that matters at all). The bike was just staying ...
Darac's user avatar
  • 21
2 votes
0 answers
128 views

I have a Scott bike spark 960 and I have recently replaced the bottom bracket and crankset/chainset with what I thought was OEM parts. On assembly I saw that the spindle is too narrow, the diameter of ...
R A's user avatar
  • 21
4 votes
0 answers
81 views

I want to shorten reach on a folding bike and I'm looking for a folding, telescopic stem. Usually those stems have 8-12 degree rise angle on them but I'm looking for the one that is completely ...
gmp's user avatar
  • 41
0 votes
1 answer
59 views

Looking to gain the biking communities opinion on the HILAND 700C Road Bike, 14 Speeds Sport Bike. I am a complete beginner and am not looking to spend more than $250-$300. I will be using it along ...
Jay Grotch's user avatar
  • 1
3 votes
3 answers
435 views

I have a single speed frame and I am looking into mounting a wheel with an internally-geared hub to it. Being a single speed frame, however, it has no cable guides nor lugs for a rear shifter cable. ...
jayhendren's user avatar
  • 318
5 votes
3 answers
258 views

The light itself works well, but the mount wobbles while riding. I find the shaking beam very annoying. After looking online, I realized I’m not the only one experiencing this issue, but I haven’t ...
nightrider's user avatar
  • 8,412
3 votes
3 answers
775 views

I am configuring the controller settings for a 12-inch and 16-inch kids' electric balance bike (intended for ages 3-9). The Issue: Toddlers often treat the throttle as an on/off switch. They twist it ...
Gobike's user avatar
  • 39
7 votes
2 answers
657 views

After reading so much stuff about chain waxing I decided to give it a go on my new bike. The main reason is to keep my drivetrain clean. I removed the new chain from the bike (SHIMANO CN-LG500) and ...
John's user avatar
  • 71
1 vote
1 answer
105 views

I just saw that Topeak have a 7" pliers wrench: but they provide no detailed specifications and I can't find any reviews. I'm most interested in jaw capacity, jaw dimensions (esp. thickness) and ...
jhnc's user avatar
  • 841
2 votes
2 answers
139 views

How do you choose between a little-to-no-rise (say 10mm) and a some-rise (say 40mm) MTB handlebar? In particular, is having a 30 or 40mm rise more versatile because it enables you to fine-tune the ...
Sam7919's user avatar
  • 12k
4 votes
3 answers
459 views

Background (skippable): I'm a heavier rider, and I've started to use my 2007 Roubaix for bikepacking in the hillier parts of Australia. There's climbs in excess of 10% that I can't get up without my ...
Senor-Freebie's user avatar
  • 41
4 votes
1 answer
143 views

I searched for this quite a bit but couldn't find an answer. Imagine the most violent pedal kickback ever. Big drop to flat, low gear (biggest cog), rear wheel locked, freehub engaged at the moment of ...
Sirsquatsalot's user avatar
  • 57
6 votes
2 answers
362 views

I picked up a second-hand Shimano Alfine SG-S7051-8 hub that comes with the electronic (Di2) shifting unit. Is it possible to remove the electronic shifting unit and add a manual shifting unit instead?...
user118213's user avatar
  • 61
1 vote
1 answer
100 views

I love my Falcon, but I would love to know if this serial number is relative to the order it was manufactured..any ideas? Haven't asked AI yet lol
Damon's user avatar
  • 19
3 votes
4 answers
316 views

I’ve been riding my Scott Metrix 20 (2023 model) for almost a year, and it’s time to replace the worn tyres. I’m looking for an option that offers more grip on unpaved paths (nothing extreme. I mostly ...
Uri's user avatar
  • 133
2 votes
2 answers
88 views

I've been working on converting my bike to an e-bike. I'm aware that there is a 20mm gap between the motor and the chainring. I bought a braze-on adapter from IRD that extends the reach of the ...
taylor_krs's user avatar
  • 21
8 votes
2 answers
355 views

I have inherited this Maxxis Air Elite Floor Pump. It is working well except for a critical piece as you can see in the attached image. I have an existing pump so would like to set this one up to use ...
mapface's user avatar
  • 369
0 votes
2 answers
107 views

I cannot get the deurailler to move past the middle of the cassette, the shifter is as far up as it will go, I have tried the barrel adjustment but to no avail
Pat Else's user avatar
  • 1
7 votes
1 answer
714 views

I have a 26" MTB which shifts pretty ok while riding but when I rotate the crank arm or move the bike backwards, chain drops to one cog lower on the cassette. Why is this happening? The drive ...
Ender's user avatar
  • 2,506
0 votes
0 answers
36 views

For many years I have had many bikes and most of them are easy to identify but this one is giving me a run around and I can’t find out what make or model it is. The serial number BEW1D0169 doesn’t ...
JOHNSON SHEM's user avatar
  • 1
2 votes
1 answer
86 views

I have some side to side play in my rear axle (see video). I saw the parktool video that said a bit of play is normal but when engaging to teeth there should be no play. I can create this play even ...
Vaughan's user avatar
  • 35
4 votes
7 answers
1k views

I understand that e-bike batteries are often rated by voltage (V) and capacity (Ah or Wh). My current e-bike has a 36 V 10 Ah (360 Wh) battery, and I’m considering upgrading to a 36 V 20 Ah (720 Wh) ...
So Few Against So Many's user avatar
  • 285
8 votes
5 answers
735 views

My girlfriend's grandfather has a set of bicycles in need of new inner-tubes with 650 mm listed on the tires. I went to a bike shop and told the folks there the size I needed and bought two inner-...
Jack's user avatar
  • 181
4 votes
3 answers
255 views

Does any one have any experience putting motorbike tyres on a fatbike. I just fixed my latest flat and counted 12 patches on my tube. I've had the ebike about 3-4 months. And the tiny things that are ...
Kilisi's user avatar
  • 1,896
6 votes
2 answers
1k views

I assume that the construction "frame for no-offset seatpost + no-offset seatpost" can be made lighter than the one with an offset. Still, very many (probably most?) seatposts seen around ...
Konstantin Shemyak's user avatar
  • 2,227
1 vote
0 answers
97 views

I'm new to the forum. I just picked up a bike for $80 aud, which seems great for what it is. Tyres are cracked, apart from that, everything works. It seems to be a Kona Dew Delux, Numbers underneath ...
Mat's user avatar
  • 11
2 votes
1 answer
100 views

My ebike wiring has broken in an inaccessble place. What tools do I need to order to access whereever the wiring is so I can replace the wires? There are no bike shops in my locale so I may need to ...
Kilisi's user avatar
  • 1,896
5 votes
3 answers
851 views

The question is about adjusting V-brakes on an old city bicycle (Since there exist a great variety of brake mechanisms, I add below an image that resembles the one that I am talking about.) The rear ...
Roger V.'s user avatar
  • 553

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