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)

4
votes
1answer
873 views

What to do about a stuck chain link on 10 speed chain

I put a new chain on my bike and after 3 rides or so, I developed a stiff link. I'm not sure what caused the issue, but now it barely bends at the pin at all, unless forced. It causes skipping ...
4
votes
2answers
6k 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 ...
4
votes
4answers
278 views

Any tips on riding a roll-off, followed by a trench?

Any tips on riding this section of the trail? The land is sandy and the clearance afterwords is several meters. I can't ride it slowly, as it is too steep and the sand will slide off. I suspect the ...
4
votes
2answers
2k views

How to setup rebound?

I have fancy new full-suspension bike and both shocks have this strange setting, called Rebound. It's a red dial, beside the blue CTD lever. Increasing it makes the shock less responsive to small ...
4
votes
4answers
681 views

Are Allen key or Security Key skewers appropriate for bikes with rear facing horizontal dropouts

I have a surly karate monkey set up as a single speed. The frame has rear facing horizontal dropouts (track style). I don't like quick releases due to potential theft when locking up my bike. Are ...
4
votes
2answers
1k views

What are typical max speeds for pro downhill races?

Looking videos like Red Bull Rampage or Mega Avalanche make me wonder about the speeds attained by those pro bikers. How fast they go in straight line sections?
4
votes
2answers
2k views

Why do Mountain Bike helmets have visors?

Visors seem pretty ubiquitous on mountain bike helmets, but not on road bike helmets. Why do mountain bike helmets have visors? What purpose does the visor have?
4
votes
2answers
446 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 ...
4
votes
1answer
138 views

Should I apply pressure on the saddle during downhill on a rigid frame

It is known that, while climbing, one should apply consistent and maximum weight to their saddle, in order to have precious rear tire traction. The other day I was going down a dirt road, and the ...
4
votes
5answers
23k 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 ...
4
votes
3answers
2k views

What types of mountain bike handle bar grips are available and how to they affect comfort and handling?

This question has been floating around in my head for a while, mainly because I don't know anything about grips (edit to resolve confusion:covers for the part of the handlebar you hold on to). Are ...
4
votes
2answers
273 views

Is this a stunt or a useful descent technique?

In many mtb movies about the style "Downhill" the riders casually twist their fork and front tire at jumps, such as here and here. Is this a stunt for "cool points" or does it aid in stability/speed ...
4
votes
2answers
1k views

Tightening rear quick release stops rear wheel

I have a medium sized Trek Mountain Track/Antelope with a seven speed freewheel. When I tighten the rear quick release, I have to carefully back off on the tightness so that the wheel will actually ...
4
votes
5answers
9k views

mountain bike vs. cyclocross bike

I've recently started trail riding on my mountain bike and i love it, but my bike is really old (circa 1992 steel Trek with Deore LX). I really want to get a new one, but I'm also really attracted to ...
4
votes
3answers
288 views

How to chose a right sized mountain (or all-terrain) bike for a kid?

Will a bike with 11" frame and 20" wheels be suitable for 120 cm high child? Is there general recommendation about what should I pay attention to, when choosing a bike for a kid? Will Kona Shred 2-0 ...
4
votes
4answers
2k views

Eliminating chainslap on a 90's Stumpjumper

I have a mountain bike - a Stumpjumper hardtail frame with a Shimano drivetrain - where I'm getting a good amount of chainslap. Before I start fiddling with stuff, I'd like to understand the problem ...
4
votes
2answers
1k views

Carbon Fibre Mountain Bikes

Has anyone had experience with carbon fiber mountain bikes? I'm still skeptical as to how robust they are. Is it true that a scratch will make the frame useless? And Trek has this process called OCLV ...
4
votes
1answer
1k views

Are helmets with chin guards safer than those without?

I do trail riding with some technical elements, and I have decided to upgrade my normal helmet to some sort of a full-face helmet. I have seen some sturdy-looking helmets, which resemble the ...
4
votes
3answers
4k views

Does a rear derailleur guard provide effective protection?

I recently caught my rear derailleur on a log and snapped it in two. I have done some recent work on some department store bikes and noticed that some come equipped with an axle mounted guard around ...
4
votes
2answers
565 views

Transitioning mountain bike into city commuter bike

In effort to transition my mountain bike to a city commuter- can I replace the mountain tires with thinner city tires without changing the bike wheels?
4
votes
1answer
641 views

Is my front derailleur angled straight?

I am attempting to adjust my front gears and have also been following a video to adjust the high/low position of my front derailleur. The issue I am having is that the low adjustment is no where near ...
4
votes
1answer
973 views

Using a bike with Trek ABP on a trainer

I was planning on doing my winter training this year on a mountain bike (for ergonomic reasons), but it occurred to me that the skewer for the Active Braking Pivot on my Top Fuel might not be work ...
4
votes
1answer
236 views

28er Mountain bikes

I was looking for some off road mtb 28" tires and couldn't find anything suitable . There were only some tires for road or hybrid bikes .Then I started looking for 28er mtbs and could't find anything ...
4
votes
3answers
978 views

Hill climb riding position

With the current stem and bars I have on my bike I have quite an upright position and get a falling back feeling while climbing. When I stand in the pedals to gain an extra bit of power in a climb I ...
4
votes
2answers
374 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 ...
4
votes
1answer
316 views

All Mountain Bomber recommendations

Looking for recommendations on a Full Suspension bike - trying to spend < $2000USD. Looking for an All-Mountain bike - something with at least 6" of travel but I don't want a full on DH or ...
4
votes
2answers
553 views

Will Slick Tires Work for a Mountain Bike Ridden by a Heavier Rider?

I've owned a Trek 3500 bike (shown below) for 2.5 years now and I like it very much. My bike has the same specs as under the link. It has the XL frame size and 26" wheels with Bontrager AT-550 ...
4
votes
2answers
356 views

Maintenance Schedule

There are many questions that deal with routine/ preventative maintenance (including this one which is probably the most comprehensive Optimal Maintenance Schedule) but none deal with issues related ...
4
votes
1answer
1k views

Hydraulic brake cable invisible leak. Possible?

I've crashed hard, handlebar rotated as much as it could and I guess rear brake cable was stretched. Braking became soft. Time to bleed I thought. But I'm completely unable to bleed it. Tried some ...
4
votes
2answers
4k views

What's a good, reliable mountain bike drivetrain (1x10?)

I'm thinking about switching my Salsa El Mariachi 29er mountain bike from singlespeed to gears. I love the reliability and simplicity of the singlespeed, but I've been doing more rides that involve ...
4
votes
1answer
1k views

Mountain bike axle diameters

Out of interest I would like to understand the benefits of having a 15mm or 20mm through axle over a 9mm QR (and a 10mm vs. a 12mm TA on the rear). What difference does it make to the ride?
4
votes
1answer
780 views

Will a road brake lever work with a v-brake?

I'm planning on changing my commuter handlebar to a drop handlebar. As the diameters are different, I need to know if the new brake lever will work with the existing v-brakes. (My intention is to ...
4
votes
2answers
3k views

Adjusting disk brake pad positions

I have had experience on a couple of mountain bikes when I could not adjust the disk brake caliper positions far enough left or right to keep the pads from rubbing the rotor a little. Is this common ...
4
votes
1answer
68 views

Guidelines for building tape delimited MTB courses

There are a few vacant lots around where I live and last weekend, I built a small (170m) tape delimited course. Some of the kids in the neighborhood rode in it. I also worked out in it, going full ...
4
votes
1answer
210 views

How to select gearing for descent?

For riding on level surface one should strive for high cadence. However, what is the best solution when descending over rough terrain? On one hand, because the legs are better suspension when the ...
4
votes
2answers
450 views

How to setup my 26er MTB for indoor MTB park

There is an indoor mountain bike park along the lines of Ray's MTB park being built near me (though I also road trip to rays and rent a bike). Most of the riding here seems suited for a dirt jumper. ...
4
votes
4answers
2k views

Mountain bike tires for rocky, steep, dirt trails?

I live in central Iowa and travel once a year to the Breck area (Breckenridge, CO) to do mountain biking. Since that is the Rocky Mountains, well they are rocky and steep. Very different terrain from ...
4
votes
2answers
834 views

How do I know if mudguards will fit my 2009 Carrera Kraken?

With the nice (and muddy!) weather coming up, I'd like to get some mudguards, but I'm really unsure of what will fit my bike I have a 2009 Carrera Kraken, no modifications. I will probably buy them ...
4
votes
1answer
86 views

Detailed resources for planning backcountry/primitive tours?

Are there any resources out there with details for specific backcountry/primitive tours, such as water sources, itineraries, camping spots, route difficulty, etc? I'm a hiker/camper who just bought ...
4
votes
1answer
144 views

Is there not enough shim on my suspension pivot?

I bought month ago new full suspension bike "Kellys Beast 2013". When I maintained it, I noticed that there seems to be a shim missing on one rear pivot: The most interesting that it is symmetrical ...
4
votes
1answer
481 views

What MTB 10 speed double cranksets exist with 180mm cranks?

I am looking for a a 10 speed dual crankset that has 180mm cranks. I see the SRAM cranksets only come in 170 and 175mm.
4
votes
1answer
461 views

How often to sevice suspension forks

Consider a SunTour XCR coil fork or any similar. Service manuals suggest "full service" every 30 hours of riding time. I take that to mean removing the boots and re-lubing the stanchions. However, ...
3
votes
3answers
287 views

Why so few mountain bikers with spandex?

I've never had clothing that was specialized for cycling, so I'm kinda n00b in that area. I am confused about the use of spandex. It's very common among roadies, for obvious reasons. It's more ...
3
votes
4answers
907 views

How to determine if a decline is too steep for safety?

I often find myself confronted by a steep and bumpy bit of hill on the trail, or one or two steps on the path, and end up with three possible results: A) ride down with no trouble (usually) B) step ...
3
votes
5answers
1k 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 ...
3
votes
5answers
23k views

What are the pros and cons between an aluminium and carbon frame?

I'm after a mountain bike and I've narrowed it down to the Cannondale F29 (based on reviews, plus I like the look of the bike). My question is, should I go for the carbon bike or the alloy bike? I'm ...
3
votes
4answers
4k views

My crank fell off, how do I re-attach it?

I was out riding on my mountain bike when my crank unexpectedly fell off (video). How do I reattach the crank? There's a torque range specified (25-30 Ft-Lbs): how critical is this? I don't own a ...
3
votes
3answers
731 views

Which parameters should I track with bicycle computer so I can analyze changes in my riding?

I'm building Arduino-based bicycle computer with GPS at my free time as a hobby project. So I have to find out which parameters of ride will be useful to track to see a progress (or any changes) in ...
3
votes
3answers
2k views

Does rear-shock placement affect suspension characteristics?

I know that suspension type(Horst-link, Four-bar etc.) affects how a full-suspension mountain bike handles, but you can often see these same types of suspension systems used with different shock ...
3
votes
2answers
4k views

Biking with spinal disc herniation

I was diagnosed with lumbar spinal disc herniation and told that I should exercise. I always liked biking, so I want to do that. I have an older rigid mountain-bike and will be mostly driving on ...