Questions tagged [mountain-bike]

Mountain bike (MTB) can mean almost any kind of off-road bicycle. Wide knobby tires, flat handlebars, maybe shocks, probably a sturdy frame...

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votes
3answers
4k views

Disadvantages of run 650B wheelset on a 29'er

I am in need of a new wheel set for my 29'er, and wondering if 650B's are an option. My current bike handles more like a supertanker than a bike. Great for straight lines once up to speed, but if ...
4
votes
3answers
4k views

How to deal with long pre-bled brake line?

I bought and installed a set of pre-bled hydraulic brakes onto my bike to replace the mechanical discs that came with it. My future plan is to buy a new bike, transfer the brakes to my wife's bike and ...
3
votes
2answers
527 views

Is it possible to drop a foot in corners while using clipless pedals?

My friends convinced me to try clipless pedals, that I never trusted too much (BMX background). Now while I'm getting used to them and experience very funny falls, I try to figure out, can a used-to-...
3
votes
2answers
390 views

Rear gears don't turn anticlockwise

I've taken the rear wheel off my bike but the rear gears are stuck and do not spin freely anticlockwise. It had been out of use for about 4 days, kept in a dry garage. I took the wheel off because it ...
3
votes
3answers
3k views

Chain skipping on MTB

I've had my Trek 3900 for about a year now, and I replaced the chain about 3 months ago, but otherwise it's running with the same parts it came with (not counting tubes and tires). I had to replace ...
3
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2answers
13k views

Road shifter to Mountain Bike derailleur compatibility (Example: SRAM x7)

I am wondering what's involved in switching out Mountain Bike (MTB) shifters to integrated road shifters while keeping the rest of the MTB drivetrain (derailleurs, cassette, etc.) unmodified. Note ...
2
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3answers
25k views

Adding gears to a single speed Cycle

I have a single speed cycle and i want to have minimum of six gears on it, Is there a cheap and good way so that i can get gears on it?
2
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2answers
181 views

What tyre widths I can use?

Just yesterday I noticed that my tyres soon need to be changed but my tyre size is 27.5 x 2.8 But the closest sizes I can find are 2.35, 2.4, 2.1. Those were the closest sizes I could find in store (...
2
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2answers
1k 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 ...
2
votes
2answers
4k views

back tire keeps going down

I have just bought a new bike and had it about a month now. I don't really know much about bikes but I do know how to repair an inner tube. I have had one puncture and just bought a new inner tube. ...
1
vote
2answers
249 views

Shimano Deore front derailleur occasionally sticking

I have a question about my front derailleur sticking occasionally. I've had this bike for a 1.7 years and have ridden it through 2 winters. It has only been after this last winter that my front ...
0
votes
1answer
653 views

How do i know which wheels will fit my bike?

my bike is: https://www.giant-bicycles.com/au/xtc-27dot5-2-2014 and everything I have came with the bike, only now the axle of the rear wheel bent and the skewer has lost its grooves. and I would ...
0
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6answers
663 views

Clicking sound on each rotation of the pedals only when riding

Let me prefix this by saying that I don't know much about bikes. Especially from the terminology perspective. When riding, I can hear a relatively quiet click when I push down on the pedals. It ...
6
votes
7answers
115k views

What make/brand is this bike marked “Challenger” and “Resistance”?

I'm trying to find what kind of brand/make my bike is so I can find more information about it. It might help me determine if I should buy a new bike. All I can tell from looking around my bike are ...
8
votes
5answers
38k views

Clicking sound coming from pedals/pedal spindle/crank

I recently bought a Trek 4300 series MTB, but after only several weeks of use, I'm getting a clicking sound coming from both sides of the pedals. It seems particularly pronounced when more torque is ...
35
votes
7answers
106k views

Pros and cons of single-sided forks (Cannondale Lefty)?

Looks like they save some weight, but how do they have a better strength/weight ratio than a traditional two legged fork? With the single-legged fork the fork and axle must resist huge bending all ...
31
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2answers
13k views

Why does pedalling backwards not move my bike backwards?

On the Mountain bike I have, pedalling backwards moves the chain but doesn't drive the wheels of the bike backwards like you would expect it to. Why is this?
18
votes
6answers
2k views

How deep does snow have to be before it becomes unrideable?

I was going to go for an off road ride in the snow this weekend but I chickened out. Partly because it was cold but mainly because I have no experience riding in snow and wasn't sure whether I would ...
20
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6answers
5k views

Cycling on snow in extreme freezing conditions: will my bike break?

I plan on riding my Merida Matts 40-D in mountains like these: The temperatures are usually around -20 °C and I was wondering whether anything can break on my bike due to the freezing conditions. Is ...
18
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7answers
13k views

Where is the best place to carry water (back or bike)?

Where do you prefer to carry your water? I find when I am mountain biking I prefer to carry my water in a hydration pack on my back (easier to rock the bike). When road biking on flat ground I ...
18
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3answers
43k views

do I need to change my disc if the brake pads got oil on them

In trying to change the brake pads on my mountain bike, I managed to get oil on my new pads and empty out all the brake fluid, and consequently also get some oil on the disc. I took the bike to the ...
17
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1answer
9k views

What features of a mountain bike's geometry gives it different characteristics?

When you see descriptions of mountain bikes they are usually described as XC, trail, enduro etc. and have different geometries based on what sort of category they fall into. What are the defining ...
16
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3answers
9k views

Is there something particularly wrong with exclusively riding a mountain bike in a city setting?

I live in Davis, and I ride bikes simply for commuting around the university and around town. My last bike is a hand-me-down from my sister's friend over 6 years ago; it's pretty much on it's last leg....
9
votes
6answers
610 views

Alternative uses for an aluminum MTB frame

Any alternative use for old mountain bike tyres and inner tube? So my frame has a large crack near the headtube and I am replacing it. Could I use the frame in any other way? E.g. give it away for ...
6
votes
3answers
5k views

Where should I mount a mirror?

What do you recommend as an optimal point and orientation for mounting a rear-view mirror? I'm open to handlebar-, glasses-, or helmet-mounted. Some of the considerations, as I understand it, are: ...
6
votes
4answers
5k views

Advantages of mounting bottle under frame

I'm wondering if there are any advantages to mounting ones water-bottle on the bottom of the down tube, near the ground, versus on top of the tube. I'm mainly interested in the advantages, or lack ...
13
votes
10answers
75k views

What are the advantages and disadvantages of riding a smaller Mountain Bike frame?

I am 182cm (5' 11'') tall and am looking into buying a new frame for my mountain bike. Right now i have a 19'' frame and i found a good deal on a 17'' frame. The guy from the shop told me that it ...
13
votes
7answers
54k views

brake lever will not return

My friend has a mountain bike that survived last years Queensland's floods (Australia, that is), but is all battered and bruised after not being ridden for a year. With my beginner's repair skills, I ...
12
votes
2answers
20k views

Is a 16 grams CO2 cartridge enough to inflate a 29" mountainbike

I used to ride a 26" mtb, but now I'm switching to a 29er. Since the volume of the tire increases, I was wondering is one 16 gram CO2 cartridge enough to inflate the tire? Notes: The tire will be ...
9
votes
3answers
20k views

How does a chainstay length affect a mountain bike performance? (wrt: 26", 650B, 29r)

The trade offs for 26" through to 29" with respect to rolling resistance, contact patch, obstacle rollover, etc... have been well discussed. However, it occurs to me that as the rear wheel gets larger ...
9
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1answer
1k views

Tips for Bleeding Hayes Brakes

Does anyone have any tips for bleeding Hayes brakes? I have some Hayes Stroker Ryders and bleeding them is less than fun compared to bleeding my Avids. Do they make any syringes for bleeding the ...
8
votes
3answers
2k views

How to start uphill?

It is tricky to start pedaling uphill, especially with some complicating factors out there. I want to learn the proper technique. Saddle height For any uphill, I put my saddle at "XC height", that ...
8
votes
1answer
417 views

Bike washed with pressure washer. How to recover?

I lent my bike to a friend of mine who washed it with a pressure washer. I already replaced the bowden case, which prevented me from using the brakes due to the washed out lubrication. I lubricated ...
5
votes
4answers
6k views

What bikes will be used by the competitors in the Mountain Bike Olympics?

I'm just curious to know what bike models and setups will be used by the competitors? Is there any data out there on the web?
5
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2answers
2k views

Are there LED based dynamo powered lights suitable for night time MTB riding on singletrack?

Are there LED based dynamo powered lights suitable for night time MTB riding on singletrack? Likely they would need to have: High Brightness, likely 500 lumens or better. Not sure how that translates ...
3
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2answers
16k views

Can't shift front gear, despite loosening, tightening, etc. What could be wrong?

Disclaimer: I'm clueless and am piecing together what little information I know from reading this site and from watching YouTube 'intro to repair' videos. I've been gifted a used mountain bike, my ...
2
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4answers
15k views

How to fix a sluggish bike?

I just bought a used mountain bike, and it seems to be slow. Pedaling seems like very hard work, and at a normal casual pedaling rate, I can only reach 4-5mph. If I pedal like I'm being chased by a ...
2
votes
3answers
12k views

What options do I have when replacing my fork's elastomers?

I'm rebuilding an AntiGravity Fork and converting it to threadless for my 'Blast From the Past' bike (GT Bravado frame, U-Brake, Bullseye hubs and cranks, 21 speed). I really like these forks and I'd ...
2
votes
2answers
1k views

Major Problem: 135mm rear spacing road touring frame with shimano 5800 11 speed cassette?

I have a brand new traitor wander touring frame, it has 135mm rear spacing like a mountain bike (this is a road touring frame). I bought 29er mountain bike disc wheels that were advertised as 11 ...
1
vote
3answers
209 views

Is it possible to replace a MTB crankset to a Roadbike crankset on an MTB frame?

I just want my bike to go as fast on a road and can go trails as well. Update: I got a gear calculator app and this is what I would get if I upgrade my cassette and chainrings. A more than 10kph ...
1
vote
4answers
1k views

How much of a bruising can a MTB take?

I recently purchased my first MTB, a Rockrider 560, and I'm curious to know how much a roughing up can it take? For example, can I ride up and off kerbs without wrecking the tires? What about bunny ...
17
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10answers
5k views

How do experienced cyclists know which gear they are in without an optical display?

Most mid to high level mountain groupsets (eg SLX and X7) have shifter options without any display as to what gear is currently active. How do riders avoid cross-chaining and other unpleasantnesses, ...
15
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5answers
6k views

What type of brakes are best for mountain bike racing?

Disc brakes are more expensive than v-brakes, but in a heavy rain they will break down. V-Brakes are becoming harder to find, but they're much easier to maintain and don't break down as easily. What ...
14
votes
1answer
8k views

What effect does changing the stem length have on my bikes handling

I'm finding that when jumping my mountain bike seems to be very nose heavy no matter how far back my saddle is. What effect will moving to a shorter stem length have? My bike, a Boardman FS-PRO came ...
14
votes
4answers
14k views

What type of bike I should buy if I need to ride with a toddler

Which Bike (Mountain, Hyibrid, Cruiser or Road bike) I should buy if I want to carry my 3 year old daughter on a Child Carrier (fits in rear). Here is one image of child Carrier I have. It attaches ...
13
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6answers
26k views

What is the trick to riding on sand?

I have been trying to ride on some trials that have very soft sand and especially agitated by ATVs. When I hit a soft patch my front tire pulls in one direction and I freak out a little. I cannot ...
10
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2answers
3k views

What does WSD mean relating to mountain bikes?

I keep finding a WSD version of bikes I'm interested in buying. What does WSD mean?
9
votes
3answers
8k views

Upside-down Fork vs Traditional Fork

What are the advantages of upside-down (USD) forks vs traditional forks? I have read they are 'better', 'stronger', etc., mostly in the context of motorcycles. Some high end downhill bikes use them ...
8
votes
7answers
43k views

Can you run a standard tyre on a tubeless rim?

I have some new tubeless MTB rims and I'd like to avoid buying new tyres for them. The tyres are reasonably sturdy (Continental Race King Protection - 4 plies / total 240tpi) and I have sealant. As I ...
8
votes
2answers
630 views

How to train front braking technique?

One of my mountain bike buddys has severe issues with downhill riding technique. By downhill I don't mean downhill racing in this context but riding down trails that are rather smooth but with some ...