1
vote
1answer
35 views

Can I use a Shimano 105 10 speed BCD 130mm 52t chainring as a replacement in my 9 speed tiagra triple crankset?

I currently run Tiagra triple 9 speed crank, 50/39/30 The BCD on the 50 being 130mm. I'd like to replace the 50t with a 52t to make it 52/39/30. I'm looking at a Shimano 105 52t chainring but it says ...
2
votes
1answer
392 views

How can I keep spider and other bugs off my bicycle?

I am an extreme arachnophobe, to the point that I've left dishes in the sink due to a dead spider the size of an M&M. My bike at work is right in the open, and because of the soft winter, there ...
0
votes
1answer
64 views

Massive and sudden increase in heart rate and vomiting after when cycling [on hold]

The heart thing has happened a few times before, and the vomiting only once; but I haven't cycled in about a year and am getting back into it. I used to be a gymnast and did pretty extreme ...
0
votes
2answers
56 views

Adjusting disk brake positions

I recently got a new bike (below). It's rather latest technology for me. I got it assembled from a supermarket, but had to do almost all the adjustments myself. I don't know what I did wrong with ...
0
votes
1answer
20 views

Change Shimano FC-M431 Octalink crank arms to Shimano SLX

I won a good deal for a Shimano 2012 SLX FC-M660 set, excluding bottom bracket and crank bolt. Is there any chance I can upgrade my touring bikes FC-M431 Octalink somehow without changing the chain ...
0
votes
1answer
51 views

Choosing hubs and rims for training road wheels

I'm going to build a training road wheelset for my touring bike. I wonder what should be criteria for choosing hubs and rims and spokes. I'd prefer cheaper options as long as they are durable and not ...
2
votes
6answers
110 views

Quick Release on Fixed Gear Bike

I recently purchased a fixed gear bike, Kilo TT. I had some fenders lying around, SKS raceblade. I tried to install them on my bikebut noticed that the fenders attached to the skewers. My fixed gear ...
2
votes
3answers
75 views

Small Tear in Michelin Pro4 Tire, Does It Need To Be Replaced?

Got back from a bike ride and noticed a small tear on the sidewall of my tire. I'm wondering if I can just seal it with some Goo Gone or do I need to replace the tire. I do have spares lying around so ...
0
votes
0answers
22 views

How to switch from a double to triple crankset [duplicate]

What do I need to change out on a bike to move from a double to a triple crankset? In this particular situation the bike has STI shifters and a FSA Gossamer, 50/34 teeth crankset currently. But I ...
2
votes
1answer
126 views

Definition of a bunny hop

In this answer, Mσᶎ mentioned a bunny hop. I agreed, and wrote about How to Bunny Hop. But it soon became clear that different people have slightly different definitions of a bunny hop. For example, ...
0
votes
0answers
39 views

how to find Vehicle (Bike) speed information [on hold]

i have pulsar 150 cc bike, i want to track on speed of that bike when it runs. so is it possible to take speed information from existing speedometer to other device such as micro controller (speed ...
5
votes
3answers
236 views

Do I need to patch my tubed-tire if I have a puncture?

I have about a 2 mm gash around the outside of my tire from a piece of brown glass. It gave me a slow leak and while I've patched the tube, do I need to do anything about the tire itself?
1
vote
0answers
19 views

How can I fix my rear derailleur's B-tension adjustment?

I've noticed that my rear derailleur (Ultegra 6700) will not return to where I've set the B-tension adjustment. Pulling it away from the hanger means it will just stick there, or maybe move back a ...
0
votes
0answers
28 views

How Big is my Wheel Circumference? [duplicate]

I'm very new to road biking and struggling to set up my cycle computer on my Triban 500 SE.. Manufacturing Info about bike here : ...
17
votes
7answers
2k views

Is there a way to hop up onto a parallel curb?

The scenario: you're riding in a curb-adjacent, paint-only bike lane. You happen to look over your shoulder (or in your mirror) and see a vehicle approaching from behind, either fully in the bike ...
3
votes
2answers
42 views

Replace asymmetrical BB with symmetrical cartridge and spacers?

My bike has a square taper 68mm width cup and cone bottom bracket that is wearing out. I was hoping to replace it with a sealed cartridge (shimano UN55 or similar) but then I found that the spindle ...
1
vote
1answer
67 views

Why is it important to keep bearing sets when greasing a campagnolo hub?

In almost all cases where hubs are regularly serviced, bearings don't need to be replaced. The general consensus though is to replace bearings after so many thousands of kms. Many posts on the web say ...
1
vote
3answers
82 views

Rear wheel rubs frame after tire change

I recently changed the rear tire and paid no attention to the original working state of the rear derailleur. After a miserable attempt at resembling, I lost what I now think was the Derailleur bolt ...
1
vote
0answers
26 views

Why does coaster brake hub growl when coasting but not when braking or pedaling?

I have an old two-seater recumbent trike with coaster brakes. One of the rear hubs rumbles terribly when the bike is coasting. When the brake is on, or when pedaling, it doesn't make a noise. I assume ...
9
votes
5answers
2k views

What are the downsides of a twisted wheel?

After a collision where somebody fell on me, my front wheel is twisted to the point that it slightly touches the brake once per revolution causing a soft screech. Logistically, I can't get to the shop ...
3
votes
1answer
96 views

Chain Splitter vs. Chain Tool vs. Chain Breaker

What is the difference between a Chain Splitter and a Chain Tool and a Chain Breaker? Are they the same thing?
0
votes
0answers
26 views

Can I upgrade V-brake to disk brake for Cannondale Quick Cx 5 [duplicate]

I have a Cannondale Quick Cx5 with V brake. I'm wondering whether I can upgrade to disk brake?
2
votes
2answers
644 views

Can disc brakes be considered safe for road group rides?

I know aero bars are considered unsafe for peloton, does this extend to disc brakes whose rotors can be hot and sharp? I'm not talking about races, just casual training rides: is it reasonably safe ...
0
votes
2answers
74 views

What is the maximum safe storage temperature for a bike?

I like to keep my bike in the car on days I drive to work, in case I need it to get to a meeting in another building. However, I'm concerned that it gets too hot some days. Is there a temperature at ...
1
vote
2answers
54 views

Rat a Tat noises coming from my bottom bracket area. Please help!

I recently got my single speed frame and forks powder coated and at the same time had a number of parts replaced - bottom bracket, chain ring, chain and freewheel cassette. Really please with ...
3
votes
1answer
204 views

What is this apparatus for?

I saw this post by Ji Cheng (Lanterne Rouge) on Twitter. My question is about the apparatus he posts a picture of. It contains (his?) shoes. Simple question, what is this machine exactly doing? Is it ...
0
votes
0answers
21 views

cantilever brakes have 1mm play in then is this normal? [duplicate]

My cantilever brakes have roughly 1mm movement in them and can be moved backwards and forwards very easily by hand. Is this because the shoulder bolt is too long or should the setup have some extra ...
1
vote
0answers
47 views

Pedals turn but front sprocket does not [duplicate]

My Mountain Bike ,about ten years old,Three (3) sprockets in front. It backpedals (whizzz) But when I go to pedal there is no engagement - Pedals turn but sprockets don't move..But sprockets move when ...
2
votes
1answer
71 views

Decoding internal gear specs

I am looking at a bike which describes the gears as: 3 speed internal geared hub, 42t front and 16t rear gearing. What does the latter spec (42t/16t) describe?
2
votes
3answers
142 views

Why are aero bars usually disallowed in gran fondos?

Why are aero bars usually disallowed in Gran Fondos (cyclosportive events)? I'm just curious. I would think it would be a useful piece of equipment when riding 100.
1
vote
2answers
29 views

Sticky / broken floor pump head?

I have a Nashbar floor pump with an automatic Presta/Schrader head. The valve holes are on one side of the head and the air is supposed to switch to the hole with the valve inserted. It used to work ...
1
vote
1answer
83 views

Chain Slipping?

I am not the most knowledgeable when it comes to bikes so please bear with me. I have a Claud Butler and after fixing a puncture I decided to ride it. As I was riding, I could hear a sort of rattling ...
2
votes
1answer
72 views

Is it a good idea to sand off the rotor when exchanging disc brake pads?

During operation, disc brake pads cut grooves into the rotor. When replacing the pads with new ones, would it be a good idea to smoothen the rotor with sandpaper(e.g. grit 200 then grit 800)? What is ...
0
votes
1answer
26 views

Quick-release seat slipping down [duplicate]

My bike's quick release seat has been slipping down recently. I noticed when my (pro) biker friend remarked how low down the seat on my bike was, and helpfully readjusted it for me. Biking became ...
2
votes
0answers
55 views

Chain falling off inner chain ring no matter how L screw is set

Bike is a relatively new Cannondale Carbon Synapse with the Ultegra 6800 groupset (although front chainrings are FSA). Has about 1000KMs on it. Bike has been great, but I went out on a ride today ...
1
vote
4answers
94 views

Do softer tires provide better suspension?

From my limited experience, soft tires feel more bouncy than hard ones, with same pressure. That is, if you lift and drop front side of unloaded bike, with soft rubber on front wheel it will jump like ...
1
vote
2answers
18 views

painting an aluminum/carbon frame

I have a frame I would like to get repainted. It is a composite of aluminum and carbon fiber (Al main triangle, carbon fiber seat/chain stays). The carbon fiber is unpainted (maybe a clear coat) and ...
1
vote
2answers
76 views

Chain rings slip when crank is turned

I just pulled my old bicycle out of the garage. It's about 10 years old (a 21-speed mountain bike). It was working when it was put into storage. When I tried to ride it today, the crank wouldn't ...
5
votes
3answers
320 views

Cycling position for commuting

I'm looking into buying a commuter bike. Observing other bikers I see some are hunched over their bikes and some are almost vertical. What is considered the best position for commuting? [I will be ...
0
votes
0answers
23 views

Choosing the correct Bottom Bracket

I have a 2011 Commencal Supreme DHV3 Team edition and I need to replace the bottom bracket. The problem is that I am confused about what the correct model to buy is. The tech book for the bike ...
0
votes
1answer
25 views

What's the maximum tire width of a Cannondale Bad Boy 6 2014?

A quite basic question; what's the widest tire that can be fitted to a Cannondale Bad Boy 6, 2014 (with a rigid Fatty fork)? Would a pair of studded 40mm tyres (Suomi Tyres W240, 40-622) fit?
0
votes
1answer
64 views

Does the Brooks Cambium C17 Saddle rub off?

I use a brooks B17 leather saddle now for nearly 12 months. It's quite comfortable, has a great design and looks very neat on my bike. I use my bike for my commute every day. There is something that ...
2
votes
3answers
370 views

When do I need more than one bike? How many bike is enough? How many bikes is too many?

I see questions where people want a bike to commute, road ride, and take on trails. Not one bike will do it all. When do I need more than one bike. How many bikes is enough?
0
votes
1answer
45 views

How to start a grassroots DH race?

I'd like to start a DH race at my local ski hill (which has a few DH trails) and I'd like to know how to setup the following: Registration Practice/Qualis/Race runs Timing/Results I realize this ...
2
votes
2answers
51 views

What can be done to fix a hub that has come apart?

I noticed recently that my rear tyre was rubbing on the frame when I was pedalling hard; the wheel had a bit of horizontal play in it, so I thought the cones might need tightening. Anyway, I left it ...
3
votes
5answers
148 views

I want to weld or braze the pedal to the crank arm, but what metals are they?

I ruined the threading in my crank arm, and would like to weld or braze it back on, instead of buying a new crank set. It is a cheap old bike, so the result does not have to be perfect, but it should ...
19
votes
5answers
3k views

Carrying Pizza on a Bicycle

I have a rear rack. However, I don't really have a good way to carry pizza. Cables? Any big enough bags? I can avoid leaning too much, I'll slow on the turns if I have to.. Edit: Delivery? Not ...
1
vote
1answer
64 views

Tips for first time cyclist on 9W in NJ/NY

Not sure I can find a group in my area that fits for me. Up until now I've been mainly sticking to local rides in areas without a lot of car traffic. Lately I've been riding more with destinations in ...
4
votes
1answer
206 views

Please help me identify my bike

I have recently bought a house and found this bike in the garage. I'm currently thinking of giving it a full service, but I'm not a super expert on it and therefore I'd maybe like to take it to a ...
2
votes
2answers
51 views

How to remove cantilever brake arm?

I am renovating a bike, I guess it's 10 years old. It has internal gears with pedal brake. And then it has a hand brake in the front, I think it is called "cantilever direct pull". One arm was moving ...

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