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

learn more… | top users | synonyms (1)

5
votes
2answers
280 views

What is a good method for constructing dirt jumps?

What is a good method for constructing dirt jumps? Not massive jumps, just something more than a simple mound of dirt for a bit of fun. It's one thing to pile up the dirt, but there seems to be a bit ...
3
votes
3answers
416 views

What does the number 3500 stand for on my Trek bike?

I know that the higher the number the better the bike. My dad has a 4200, so I was wondering what kind of improvments are made to make his bike better? And also what does the number 3500 stand for on ...
25
votes
8answers
53k views

What pressure should I run my Mountain Bike tires at?

Should I run my mountain bike at the suggested PSI/Bar on the tire/rim? Or should I run it a bit lower? Or is it more about conditions? Should I run lower if I am running on softer terrain?
0
votes
2answers
3k views

Is it possible/worth it to replace just shifters and derailleurs on an older MTB?

I have an aluminum frame bicycle (mountain bike, 21-speed) that I purchased some time in the late 90s, it's marked "Skykomish Eureka" (though I can't find any evidence that such a brand and model ever ...
2
votes
1answer
124 views

What causes “softness” in hydraulic disc brake systems?

I have a simple Shimano hydraulic disc brake system (don't know the model). Over time, the feel of brakes is getting soft, I have tried to adjust by tightening the screw (on the joining of brake line)...
1
vote
1answer
165 views

Moaning Disc Brakes?

My Disc brakes have been shuddering all day (been riding most the day). And when I say moan, I mean like I can feel the bike shudder up to my rear end. I tried the trick where you rub mud on them and ...
5
votes
3answers
254 views

High-end components [closed]

I'm wondering if anyone knows of any high-end components that are like Paul components. Not the pro-peloton stuff like SRAM and Shimano, but the, dare I say hipster components. I'm looking for ...
2
votes
1answer
89 views

Springy Rattling noise on new bike

I have recently bought a boardman pro 29er from Halfords (cycle to work). I like it and I'm enjoying riding it for the most part however there is a noise. Whenever I'm in a high gear (largest front ...
2
votes
1answer
104 views

Cannondale Trail SL 3 component upgrades

I have a 2013 cannondale trail SL 3 and some parts have been worn and look beat up so I'm planning to replace them. I was wondering if I can use a 10-speed rear derailleur on a 9 speed cassette and ...
2
votes
4answers
138 views

what suspension fork should I get

Thinking to get a Montague bike for mountain biking. The reason for a folder is easy storage and transportation. And reviews I read all say good things about their bikes. There are these models ...
1
vote
2answers
54 views

Trying to find Derailleur hanger for Triace A310

As you can figure out from a quick google search, this bike almost does not exist. Finding info for this bike has been near impossible. If you can direct me to any info about which hanger I need to ...
16
votes
10answers
4k 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, ...
1
vote
1answer
118 views

Why did my last trip give me a bum blister?

I don't do a lot of MTB tracks, but there's a team event coming up soon and I'm doing some flat single-track to prepare. After two 15 km laps I have a blister on my left butt-cheek, right at the top ...
5
votes
2answers
1k views

How do I prevent my chain from dropping down while going downhill on bumpy surfaces?

I have a Merida Duke 650 hardtail mountain bike. The issue with my bike is the chain continuously keeps coming out of gear while I am going down hill on bumpy surfaces. Is this happening because my ...
0
votes
1answer
47 views

How to exchange a seat stray on a 2013 Cube AMS 150 Super HPC Race carbon bike?

The derailleur was torn apart so I ordered new seat stays and have to exchange (one of them). I'm not sure how to do it, there are some bearings fastened by screws where hex-wrenches seem to fit on ...
3
votes
3answers
143 views

What is the significance of tire minimum pressure?

Its quite intuitive that tires have maximum pressure figure - inflate it more and something could explode. Furthermore, it is common knowledge that under-inflated tires result in snake bites. What ...
44
votes
13answers
17k views

What type of tires can prevent goatheads?

We have a lot of goatheads1 in our area, and they have a tendency to do something like this to bike tires: Unfortunately, I ride a road bike (specifically a Kona Dew), so I have much smaller, ...
1
vote
1answer
300 views

fork steerer compatability

a 1 1/8” Aluminum, 1.5 Taper Steerer will it fit on my frame? My frame is gt chucker 3.0 26er and the fork is manitou minute 26er [enter image description here][1]
0
votes
2answers
139 views

Help altering old Marin MTB to an In-town pavement cruiser?

I have an old Marin Bobcat Trail MTB with 26" wheels. I want to make a road bike out of it, and don't want to spend a bunch of money. I just want to be able to go fast and coast for awhile, so I don't ...
3
votes
4answers
247 views

Should the hands be used for absorbing the impact after a jump?

I am trying to learn some very small jumps and bunny-hops. It seems that upon landing from either, there are two options. I am talking here only about the moment of the impact with ground, and not ...
6
votes
5answers
2k views

Are single-speed bikes better equipped to handle cog/chain wear?

I need to decide between a single-speed and multiple-speed bike. I usually ride multiple-speed mountain/city bikes in the highest gear anyway (around town). They're not intended for that, and doing ...
7
votes
2answers
148 views

When is it time to replace the gear-cable housing?

Please keep in mind that this question is specific to mountain bikes which roll through lots of dirt and mud. I heard stories of bikes that had their cable housing last for years, but I doubt that ...
3
votes
2answers
3k views

What maintenance is required for a thru axle?

A thru axle is a hollow axle that gets clamped by each fork leg and through the hub. Like what a motorcycle has. Much stiffer and stronger design then the typical QR dropout. My sons newer downhill ...
0
votes
1answer
485 views

my bike pedals but the back tire will not move

I have a mountain bike and it was working well.then I started to pedal and the back wheel isn't moving.could someone tell me what it could be?
4
votes
1answer
47 views

Using 9 speed Deore front shifter with 10 speed Ultegra front Deraileur

I am trying to build a bike out of all the spare parts I have in my garage. I found a 3x9 Deore front shifter, 3x10 Ultegra front d and crankset. Would they work together? By the way, I am building a ...
3
votes
1answer
70 views

MTB front suspension sounds like rusty trampoline

I have an old GT i-drive 3.0 from like 2001, it has a Judy Rockshox fork on the front. I imagine its never been serviced (I bought it used) and it's starting to sound like a symphony of rusty ...
3
votes
1answer
98 views

Should I upgrade/rebuild an old rusty bike or get a new one? [closed]

A couple days ago my friend gave me an old bike. Much of the bike is very rusty although the frame and handlebar does not have as much rust. I am not a bike expert and have been learning quite a bit ...
2
votes
6answers
13k views

Bike computer wheel size setup

I've gotten my self my first mountain bike, along with a Bike computer. This needs to be setup, but im really not sure how i do this. The wheel size of the bike is a 27,5 inches. The bike computer is ...
4
votes
2answers
453 views

How do I prevent the Hydraulic Disc Brakes on my bike from rubbing?

I recently bought a new Polygon Strada 5.0 mountain bike with Shimano BR-M355 hydraulic disc brakes and have had issues with the brakes rubbing. I fixed the rub but now it is happening again. The ...
5
votes
2answers
190 views

Racing bike feels bad to ride, can it be fixed?

I bought a sponsored racer's cross country bike because of its light weight and great components (giant anthem advanced team). I had the consumer frame of the same name from five seasons ago in a 29"...
7
votes
9answers
17k views

Riding a Mountain Bike in the city

I just moved from where there wasn't much of a biking system infrastructure. There were lots of trails though, so I bought an OK mountain bike ($350). Now, I've moved to downtown Seattle and ...
2
votes
1answer
64 views

Something sounds loose but cant see what

I have a relatively new Boardman Pro 29er. It has around 500 miles on it. I'm having a sound issue at the minute where at certain speeds a very loud resonating vibration type sound starts. I'm ...
0
votes
1answer
46 views

Will these suspensions fit my bike

I want to get this suspension SR Suntour XCR-RL 26inch Suspension Fork. Black, 120mm Travel, Remote Lockout, Disc Brake Only But I don't know will it for my bike and also what's the difference ...
3
votes
4answers
704 views

Should I worry about a chipped carbon mountain bike frame?

The other day while I was racing my Specialized Stumpjumper I noticed a chip on the frame. It's on the rear support bar right behind the seat post between the rear tire. My teammate who is a mechanic ...
4
votes
3answers
483 views

How do I tune up the shifters/derailleurs on my mountain bike?

I have a Diamondback mountain bike with Shimano shifters that I bought used last summer, and over time the shifting has gone out of whack. For example, on the front wheel I can't shift into the ...
4
votes
1answer
278 views

First Cyclocross Race - Riding a Mountain Bike

I'm participating in my first ever bike race this weekend. It's a cyclocross race, and I'm riding a full suspension mountain bike, because I started looking into races late this season and a fully is ...
0
votes
1answer
33 views

Will disk brakes fit on the Apollo Verge [closed]

I am wondering will disk brakes fit my bike, the Apollo Verge men's mountain bike?
0
votes
0answers
51 views

Screaming sounds on my front wheel [duplicate]

Recently I bought a mountain bike with hydraulic disk brakes. But when I ride it the front wheel makes screaming sounds, possibly from the disk brake. I contacted my local dealer and they helped me ...
3
votes
2answers
147 views

What should I do with my crank/bottom bracket?

I just got this mountain bike almost 3 weeks ago. I took it for a long ride(120km back and forth). We encountered heavy rain during our ride, we were riding on a highway back then, there's flood water ...
1
vote
0answers
154 views

Giant Reign shock travel?

I've just bought a Fox Float X 2014 for my 2015 Giant Trance. It fits my Trance perfect but I may be upgrading to a 2015 Giant Reign. I was thinking would my shock fit onto a reign? The size of mine ...
4
votes
2answers
323 views

Front wheel lifting on climbs on my Mountain Bike

I've got a full suspension XC/AM 29er mountain bike (Gary Fisher Hi-Fi Pro). I'm running a size small frame with an 80mm stem with about 7 degree rise. Bike seems like a good fit for me. I do run the ...
2
votes
2answers
499 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. ...
3
votes
3answers
216 views

Why is my bike slipping gears?

I have a 1997 Gary Fisher Tassajara that got a complete overhaul and tune-up at a bike shop a year ago. (to the tune of $180, but some of that was new tires- I'm the original owner) I ride between 4 ...
3
votes
1answer
66 views

Information about Olympia bicycles

There is a bicycle dealer in my area selling "Olympia" bicycles. I haven't seen any athlete riding those bikes and I was unable to find any reviews on the internet. I know that the company is one of ...
1
vote
2answers
84 views

Replacement MTB rear derailleur

I need to replace a Shimano Deore RD-M531 rear derailleur which has a long cage (9 speed cassette). I can replace the derailleur no problem, but my knowledge isn't great and am just not sure what to ...
8
votes
4answers
2k views

Creaking bottom bracket

I have a Trek 3900 Mountain bike that had a serious creaking problem whenever I would pedal. I found that the ring that holds the Shimano sealed bearing was really loose. I tightened it up and it ...
2
votes
1answer
169 views

Mud buildup at the chinstay near FD

General question: The rear tire of my mtb runs too close to the chainstays. If the trail is even remotely muddy, the mud buildup on the chainstay clogs the front derailleur and the chain begins to ...
2
votes
1answer
990 views

Are chain ring spacers a good solution to adjust chain line?

I recently converted my mountain bike from a 2x10 to a 1x10. I have a Shimano XT Hollowtech ii crankset and I like it a lot, but its traditionally a 2 speed crankset. When I'm in my 1st gear on the ...
8
votes
1answer
379 views

What makes a cassette mountain bike vs. road bike?

I'm in the market for a new cassette for my road bike and I frequently see cassettes listed as mountain bike or road bike. Since they're usually interchangeable and can be used on either type of bike, ...
5
votes
2answers
510 views

Protecting yourself from briars / brambles / jaggers while mountain biking

Riding in the northeast US, I find myself encountering a lot of overgrown mountain bike trails in the spring. Many of these trails are bordered by briars / brambles / jaggers. I can't totally avoid ...