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30 views

Type of brakes that will work with beach cruiser with no brake hole in wheel

My daughter has a 24" beach cruiser and doesn't like pedalling backwards to stop. She really wants hand brakes. There is a hole in the frame above the tire (where a rear light might be installed) ...
5 votes
3 answers
520 views

A small bolt/nut came off my mtn bike while washing it, can someone help me identify it?

I was washing my’12 specialized stumpjumper. When shaking it/drying it off, a screw/bolt came off and I can’t find where it belongs and don’t know what it is. It has threads inside and fits a 3mm ...
1 vote
0 answers
25 views

Back wheel tube consistently popping when putting wheel back on bike

I ride a Specialized Allez that's probably 15 years old, and recently had to purchase new wheels and tires because mine were stolen. I put a new tube on my new back wheel, and it popped as soon as I ...
  • 11
5 votes
1 answer
89 views

What kind of handlebar is this? Why is it not symmetric?

I recently saw a video in some social network where a person is replacing a handlebar on an MTB. Both the old and new bars have one side bent upwards and one side bent downwards. What is the purpose ...
  • 11.2k
1 vote
3 answers
241 views

Seeking a pair of cyclometer + online portal for correct bike identification

New statement of the problem I use the same head unit for multiple bicycles. Each bike is fitted with its own sensors and mounting bracket for the head unit. When I switch the head unit on, it asks ...
  • 6,890
0 votes
1 answer
28 views

Shimano freehub compatibility

I have the following rear bike wheel: WTB STX i23 TCS tubeless 29” rims, 32H, alloy disc hubs, 14G black electroplated spokes Today it seems that the freehub broke down and it makes a bad sound. How ...
  • 1
0 votes
3 answers
93 views

What cycling equipment would you give as a Christmas gift? [closed]

I want to buy a cycling equipment to my friends, he like cycling, do you have any suggestions?
2 votes
1 answer
55 views

Chip in carbon seat tube?

I pulled out the seatpost on my Giant TCR and notice something like a chip in the seat tube, are defects like this normal?
  • 21
2 votes
1 answer
713 views

What is this bicycle I’m not sure what it is

Not a bicycle person and not sure what this is.
  • 21
-2 votes
0 answers
44 views

How to choose a best bike rack for your car? [closed]

I use bicycles to commute every day because they are an economical and ecologically friendly option. how to choose the best bike rack for a car?
0 votes
1 answer
65 views

Back wheel is slipping when pedals are rotating both the front and back sprockets

When pedaling, the front chainring turns the back crankset which rotates the back wheel. However, sometimes it slips, meaning when rotating the pedals which turns the back crankset does not turn the ...
  • 1
8 votes
2 answers
2k views

What tool should I be using on this bottom bracket?

Belongs to a fairly basic kids bike. Bought second hand and was able to remove it using almost my fingers alone, with a little assistance from a flat head screwdriver. After replacing the bearings, ...
  • 183
5 votes
2 answers
416 views

Does Giant Contend 1 support 9 or 18 speeds?

I bought a Giant contend 1 for winter training. The specs can be best found here. It came pre-configured with 9 speeds only. This means that the bigger ring can only access the lower 4 cogs while the ...
4 votes
1 answer
472 views

Wahoo Kickr Core power cable snapped

So after a few years of a dodgey power cable connection, the cable has finally snapped off. The turbo is perfectly functional otherwise and so I wouldn't want to replace the whole thing. I was ...
  • 143
7 votes
1 answer
402 views

Cycling jargon: "relaxed geometry", "slack geometry", and "aggressive geometry"

In one sentence… What is the meaning (and for which parts), the implications, and, if possible, the etymology of these three terms? In more words… When I hear this bike has more aggressive geometry ...
  • 6,890

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