All Questions

2
votes
1answer
167 views

Studded tyres on asphalt

I'm curious is it possible to make a tyre that will fit perfectly on snowy/icy road. So I found studded tyres. Now, my question is - Is it possible to make studded tyre that will have good grip on ...
14
votes
3answers
3k views

Are there valve caps that show the tire pressure?

I saw these valve caps for cars, set at 2.4 bar: Is there something similar for bicyles? it would help less careful riders when it's time to pump more air in them.
5
votes
3answers
738 views

How do I get a new chainring when my bike is so old, the manufacturer doesn't have the chainring (or crank) I need

I need a new chainring but when I called the manufacturer they said my model is so old they don't have the part any more. I've attached an image of the crank from the manual and a photo from my bike. ...
1
vote
2answers
141 views

Rim brakes out of alignment and are unfixable

I have a persisting issue where the caliper rim brakes which contact the metal part of the rim are too high and instead rub against the tyre on my front wheel. Previously, this issue persisted when I ...
4
votes
1answer
132 views

Shimano bolts; oversized hex driver holes? Planning for failure?

This is frustrating me. I recently bought Shimano Dura Ace ST-R9120 hydraulic levers/BR-R9170 calipers combination. Got to the stage of bleeding the brakes and removing the bleed caps from the tops of ...
2
votes
4answers
173 views

Should I multiply maximum tyre load by number of wheels to get maximum bike load?

I bought a cheapo adult tricycle and looking closely at each tire there is stamped on it a maximum weight capacity of 175lbs. Do I multiply 175lbs x 3 for the max load it can carry or does this mean ...
1
vote
3answers
74 views

Chainring and cassette configuration

How does the 52/36 chainring coupled with a 11/30 cassette match up. Will it be good for a 70 year old recreational rider? Or what combo would you suggest?
1
vote
3answers
66 views

Why did my chain start coming off on the right side of the chainring sometimes when I am pedaling in high gear?

I have a 7 speed bike with one chain ring. Recently the chain has started coming off the right side of the chainring occasionally when I am pedaling. My bike has about 2000 miles on it and is about 7 ...
1
vote
2answers
98 views

How to reliably tell if the rim is correctly drilled?

The typical advice is to put down the rim, find the hole for valve and compare two adjacent holes which one is "higher" and which one is "lower" one (the counterclockwise hole should be higher). The ...
6
votes
2answers
385 views

Cleat problem, stuck in a shoe

I put the right shoe into the left SPD pedal. (I know, you don't even need to say it.) It was not even attached to the bike at this time. Just took both out of their boxes and thought to self, 'how ...
1
vote
2answers
41 views

Updating my vintage Shimano 600 chain rings

Will the chain rings support the new 7 speed chain? the new one will actually be new old stock: Shimano 600, 1983 I'm putting on a new 7 speed freewheel, chain and rear derailleur.
0
votes
1answer
72 views

How to keep a component “pressed” so the chain remains hooked?

I am really at a loss of words to describe my problem, so apologies in advance for the poor choice of words in the title. Basically I have this component at the rear wheel (which I think is called ...
4
votes
1answer
427 views

Loctite and brakes

I bought a second-hand bike. It has linear pull brakes. There is a tubular mount made of steel with a male thread which screws into the rear triangle of the bike's aluminum frame. Each brake is ...
3
votes
2answers
158 views

Can you get a threaded bb30?

I've a threaded shell, but i have got bb30 cranks, can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?
3
votes
2answers
57 views

Ultegra R8000 groupset want to convert to flat bar shifter

I have searched but could not find any answers for my question. I have the Ultegra R8000 mechanical rim brake group set on my road bike and I want to convert it to a flat bar setup. I have searched ...
0
votes
2answers
82 views

What are the pros and cons of suspension seats and suspension handlebars?

The title says it all, but I’ll add more specifics to give a better understanding of my particular situation. I am a on-road commuter with little-to-no dirt roads in my routes, many of the roads are ...
0
votes
2answers
31 views

Installing SRAM X3 7-speed shifter with Acera derailleur : shifting stops at 4th cog

I've never installed one of these trigger shifters. Here's what I'm doing: Acera derailleur has chain on the smallest cog. Mount trigger shifter on handlebar with its gear set to 7. Run cable to and ...
0
votes
3answers
91 views

Issue shifting from largest cog to second largest

Got a Canyon Spectral 3 weeks ago, have done around 2 hours riding on it and have noticed an issue with shifting from the largest cog to second largest. The drivetrain is SRAM NX 1x12. There are two ...
0
votes
2answers
127 views

Fixed gear bike: when I stop the bike completely I can move the pedals back and forth very slightly is this normal?

As the title shows I have a fixed gear bike, not sure if this is right though: even when the chain is tight as possible there will be what seems a loose spot and it makes it so that the pedals move ...
1
vote
2answers
72 views

Will any Shimano mountain bike shift cable set work with any Shimano mountain bike derailleurs and shifters?

(Forgive me if this question has been asked before - but I don't know if I'm searching with the correct keywords to find the answer...) My rear derailleur cable is stuck hard into the side of its ...
7
votes
1answer
141 views

Fasted training - is it worth it? Is it different when the focus is endurance?

One thing I notice riding with an endurance-focussed club is that I need more, and more frequent, feeding than many of the more experienced riders. As I start to think about longer days (e.g. 400km) ...
2
votes
2answers
89 views

What are the differences between the Alfine 8 and the Nexus 8?

I'm shopping for a new bike and I have a choice between one with the Alfine 8 and the other with the Nexus 8. They seem to be pretty similar, but from what I could gather from forums here and there, ...
0
votes
3answers
116 views

How much can we change our bike wheel diameters before needing another bike fit?

How much can we change our bike wheel diameters before needing another bike fit? If we change the size of our bike tires, it raises or lowers the front or rear of the bike. That means it can affect ...
6
votes
2answers
1k views

What type of crank fitting is this?

I have an old road bike I want to get a single speed crank for but don't know what fitting the bottom bracket has.
1
vote
1answer
77 views

Fork is noisy sounds like metal parts are loose

I have an old road bike. It's suddenly very noisy around the fork section and the headset. I've checked and everything around the front wheel seems perfect. However, i month ago i tighten the headset ...
6
votes
7answers
2k views

Why do I have to keep on changing my fit?

I realize there may not be a true "answer" to this, and some of what I have to say makes no sense, but since I'm not exactly the brightest tool in the refrigerator, it may just be that there is ...
4
votes
2answers
153 views

How do I determine what types of maintainence I need to perform?

I just got a new bike and I want to make sure I’m able to keep it up properly. I am entirely new to this. Edit: thank you all for your responses, I’ll keep these all in mind and I’m adding them to my ...
1
vote
1answer
37 views

Wilier Zero9 bottom bracket

Im trying to investigate what type of bottom bracket has by Wilier Zero9 road bike. Looks like some pressfit but Im Not sure, inner bearing width has 25mm. I have Shimano Ultegra 2x11 6800.
1
vote
1answer
109 views

What make is my bike?

I would like to cycle to my school but there are some questions that I can't answer like "Make of bicycle" , "Type of bike" and "Frame of bike" I would like it if someone could tell me.
3
votes
4answers
297 views

In cycling friendly cities, how do near-sighted cyclists who need glasses manage to bike to work or school in the rain?

In cycling friendly cities, how do near-sighted cyclists who need glasses manage to bike to work or school in the rain? When I say cycling friendly cities, I'm referring to cities such as Utrecht, ...
0
votes
1answer
45 views

Upgrades to Carrera Crixus [closed]

Recently had my Tifosi bike stolen so need to buy a new bike and preferably want cyclocross. I am considering buying the cheap Carrera Crixus and modifying it, but what upgrades would be recommended ...
2
votes
1answer
55 views

Can't change M7000 front shifter from 2x into 3x

I bought exactly this set of shifters, latest SLX model. I had similar SLX shifters, just the older ones, where the front one had a little button so it was easy to change from 2x to 3x. Now this new ...
1
vote
0answers
80 views

Saddle bag for iPad? (10.5) [closed]

I’m looking for a way to carry an iPad on a 80km commute. I don’t like backpack, as it’s heavy on shoulders and rack for just an iPad feels overkill. So looking for saddlebag big enough for an ...
1
vote
2answers
99 views

Can hanger extender be used as replaceable hanger?

One advantage of replaceable hanger for rear derailleur is that you can replace it (opposite to fixed hanger). I have fixed hanger (or fixed frame) and although it is a steel frame I started wondering ...
1
vote
0answers
116 views

Hydraulic disc brakes operating by themselves

When cycling up steep inclines on my mtb sometimes the rear disc brake comes on without me being anywhere near the brake lever. I can tell it's doing it as it's gradual and pedalling becomes difficult....
1
vote
3answers
136 views

Front derailleur cable keeps snapping, change of riding habits perhaps?

My front derailleur cable has snapped within three months of changing. As a result I’m seeking advice on good biking practice. I ride a Specialized Hardrock Disc SE 26 from 2014. I ride on a college ...
2
votes
1answer
74 views

What front brake caliper is compatible?

I have a fork suitable for short drop brakes and I have Shimano tourney brifters (ST-A070) with the gear cable coming out of the side of the hoods and the brake cable going under the bar tape. Which ...
3
votes
1answer
355 views

Is there way to fix a disc brake rotor if slightly bent?

Rear disc on my Acid 2016 is little bit bent so while riding it makes a strange noise when that part of disc comes through the caliper. Is there any way fix that or should I buy new disc?
3
votes
2answers
63 views

Disk brake caliper fit, inboard width of calipers

How can you tell if a disk caliper is going to fit on a given fork? there is an inboard width of a caliper that determines how far into the wheel it is set, ie. make or brake compatibility with the ...
3
votes
1answer
117 views

My rear brakes squeal like crazy, but not when they are wet!

I am a new cyclist in Bonn, Germany. Someone gave me a free bike that is very nice, but the rear brakes squeal like crazy, and the weird thing is that when it rains and they are wet, they don't squeal ...
0
votes
2answers
104 views

How to judge grade of carbon frame?

Last weekend, a friend told me about a local bicycle shop(Metro Cycles) selling a Carbon Cycle of Hamilton brand. This brand is sort of known in India but only for cheap bicycles. Later I figured out ...
0
votes
1answer
49 views

Shimano 105 RD-5501 on a six speed freewheel?

I was doing a cleanup at the storage room and found a box of mint 105 parts (brakes, FD, RD, triple crankset and BB). Based on the newspaper inside the box, the parts were laying there for at least 10 ...
2
votes
4answers
1k views

What are the dangers of the tyre/inner tube bursting?

Is there a danger if the tyre or the inner tube suddenly burst?
1
vote
2answers
61 views

How to determine which cassettes I can use with my derailleur?

I am trying to understand which cassettes I can install on my bike. I've understood that the length of the derailleur also determines which cassettes will fit. In my case I have a triple (see picture ...
0
votes
2answers
71 views

Change from 2 chain rings to single chain ring on a MTB. What size should I take?

My current drive train is pretty much used up and needs replacement. I thought with this occasion, I could replace my curret drive train (2 chain rings, 10 speed cassette) with a singe chain ring and ...
2
votes
1answer
62 views

Proper term for 2/3-bolt compatible shoes

I've just managed to find some shoes that are compatible with both 2-bolt SPDs (that I use) and 3-bolt (I'll be using a setup with Look cleats for a single velodrome session). But it was really ...
0
votes
1answer
50 views

Is it possible to add a TT shifter to Di2 junction box?

Is it technically possible to add another shifter to an already functioning Di2 setup, allowing for an extra shifter at the end of an aero extension bar, hooked up to the same junction box as the ...
5
votes
7answers
780 views

Bicycle Repair Stand Solutions for bikes with a Dropper style seatpost

Problem: I have at least one MTB with a dropper seatpost that does not allow for clamping on the seatpost itself and there is not enough room between the rear tire and seat tube to get the jaws in ...
2
votes
1answer
390 views

105 R7000 front derailleur with 105 5800 crankset

I was thinking of upgrading my Tiagra derailleur with new 105 FD-R7000, but then I read that it might not be compatible with my 105 5800 crankset because the new R7000 crankset has different spacing ...
4
votes
3answers
248 views

Can a rusty chain be saved?

I picked a girl's mountain bike out of a dumpster . It looks very excellent except for a chain that is so rusted that each link needs to worked free. Name is Techno Lite , 26" wheels, 15 speed ...

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