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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5
votes
4answers
3k views

How can you identify if a Shimano rear derailleur is medium or long cage?

I have a 2013 Shimano XT rear derailleur. It is part of a 2x10 drivetrain. How can I find out if it is a medium or a long cage one? The picture below shows the derailleur.
20
votes
9answers
8k views

How do I prevent my pants from getting caught into the bike gears

I have the unfortunate habit of always getting my jean pants stuck in my gears and end up with a nice rip on the seams. I've used those velcro braces to keep the bottom of my pants leg close to my ...
3
votes
3answers
147 views

How to board a ski chairlift that is not intended for bicycles?

As the end of the ski season is approaching, I am thinking about visiting our ski resort by bicycle. I would like to do it at the end of the season to avoid the inconvenience of the crowd, and ...
0
votes
1answer
80 views

Overmountain bike to downhill bike

I have a overmountain bike (Cannondale Trigger Lefty 27.5) with 140mm travel but I was wondering whether I can make a downhill bike out of it because I really want to ride downhill. The shock I have ...
2
votes
3answers
229 views

Converting my old mountain bike to a cyclocross

I have a 1992 Bridgestone MB-4 that I am converting to a cyclocross bike. It is a 3 x 7 (21 gears). I am going to put down bars on it and to change the older over shifters and brake levers. As it ...
-1
votes
3answers
129 views

No non-sus 29er mtbs? [closed]

So I sat down and said "what kind of a bike do I want?". I ride mostly in the city, but I wanted something that I could take out to the trails. I don't do anything crazy... maybe a 2' drop at the ...
2
votes
1answer
84 views

9sp/10sp compatibility in Shimano SLX drivetrains

This is related to my previous question about SLX chainrings. I'm half way through upgrading my drivetrain from 2x9 to 2x10. I currently have: Shifters: SL-M670-I (10sp), Chainset: FC-M665 (9sp ...
1
vote
4answers
241 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
6answers
301 views

What sort of bike will suit both offroading and onroading

I live in an area which is connected to main road by a small lane(worse than mountainous region, I mean it's condition) and the main road is just like a new tarmac surface, the speed breakers are ...
0
votes
1answer
639 views

Giant Overdrive 2 fork replacement

I have a 2014 Giant Trance with an Overdrive 2 tapered steerer (1-1/2 - 1-1/4). As we know, the standard tapered steerer is 1-1/2 - 1-1/8 inch. I want to replace my OEM fork (Fox 32 Float Evolution ...
0
votes
2answers
330 views

Upgrade suspension on hard tail MTB

I have a Suntours xcm (spring 80mm) on my hard tail. I drive more frequent and more pretentious. So I consider to upgrade my fork. How can I tell if I need a better one? What can a good air-suspension ...
5
votes
2answers
1k views

How do I determine current value of a used bicycle? [closed]

I'm looking at purchasing a 2012 Trek Cobia from a private seller. The bike was about $1,200 new. The bike appears to be in almost new condition and contains all original equipment. The seller wants ...
0
votes
1answer
106 views

My bike won't shift out of 7th gear in the back

My bike is stuck in 7th gear. The front three gears shift fine, but the back does not. It shifts fine when no one is on it, but as soon as you put weight on it, it no longer will shift.
1
vote
0answers
43 views

Cost-efficient rear suspension [closed]

In the coming year I might be on the look for a new mountain bike. As always, cost is something to consider and as such I'm wondering: What's currently the most cost-efficient full-suspension ...
3
votes
2answers
165 views

How to carry a MTB on one's backpack?

Sometimes I want to ascend a steep (say, 50%) slope, where is impossible to ride and awkward to push/pull the bike. I tried various ways of carrying the bike: Lifting it just 10 cm above the ground ...
1
vote
2answers
130 views

What are the technical differences between a bike for off-road touring and a mountain bike?

There are a lot of adventure touring bikes, or bikes designed for bikepacking, off-road touring and the like. But what is the difference between one of these and a standard mountain bike. E.g. what ...
0
votes
0answers
30 views

How to clean and lube SR 29 XCM-HLO fork?

I want to clean and lube my fork , and found this video on youtube ...
1
vote
1answer
118 views

Chain guide/tensioner for 2011 Giant Reign 2 (Press Fit)

Can someone recommend a chain guide/guard/tensioner that will be mountable to a 2011 Giant Reign 2 which has Shimano Press Fit and 3-ring crankset? The best I could find is: Kore Chain Reactor - ...
8
votes
1answer
1k views

Hard fork and low tire pressure or viceversa?

With mountain bikes, what do you think is more efficient: highly preloading the fork and using low tire pressure or having a "bouncy" fork and hard tire pressure? I like to have the fork with quite a ...
4
votes
5answers
553 views

Can I combine different wheel sizes in one mtb?

Imagine a mountain bike that uses a 29er fork with 29er wheel and a 27.5 wheel at the rear. Can this be realized and what are the pros and cons?
2
votes
2answers
127 views

Saddle getting in place when cornering on MTB - what to do?

I am practicing the technique of cornering, where one must lean the bicycle into the turn, while keeping the body more or less vertical. A (possibly exaggerated) picture I found on Google: The ...
2
votes
1answer
74 views

Most Efficient Way to tune rear gears of mountain bike

I have a schwinn ranger suntour mountain bike which I enjoy riding and ride frequently. When the bike was new I had no difficulty shifting through all 21 speeds of the bicycle with 3 gears by the ...
0
votes
2answers
4k views

Which spoke type do I need for my bike?

I have a Giant Trace X3 2012 It has 26" rims. Which of these spokes type do I need for my bike? Strongest or best match for the spokes I already have. DT Swiss Champion Stainless PG Spokes DT Swiss ...
5
votes
3answers
2k views

Can a carbon fiber mountain bike handle cool/cold weather?

It is late summer in the US and I am starting to look forward to autumn and winter mountain biking. I have a carbon fiber frame though. Didn't get to ride it last winter due to a broken collar bone ...
12
votes
5answers
2k 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. ...
10
votes
4answers
17k views

What is the purpose of suspension lockout?

I'm trying to decide which 29'er bike I want to purchase and one of them has lockout. I know what lockout does but I'm not sure what it is used for and if I will need it. Thanks
4
votes
1answer
77 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 ...
0
votes
0answers
104 views

What frame is this?

could you help to find out the brand, type, & year model of this MTB frame (attached) ? Best regards.
21
votes
16answers
81k views

Converting a MTB to a Road Bike

I just bought a new MTB and am planning to change my previous MTB into a Road Bike. How do I do it? What kind of parts do I need to change or add or remove? I am not looking to for a full ...
35
votes
12answers
10k 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, ...
5
votes
2answers
4k views

What is a shimano ispec shifter?

I know what a shifter is but I could not find a definitive answer on what an ispec shifter is or how is it different from a regular shifter. For example the 2014 shimano deore groupset says it has ...
2
votes
2answers
221 views

What type of terrain makes an MTB mandatory?

I'm somewhat new to biking, and I've been commuting to work on my new touring/hybrid bike for a few months now (it's a 2014 Novara Safari). I am very interested in doing some actual self-supported ...
2
votes
3answers
325 views

Does a high MTB seat post risk frame breaking

On a full suspension MTB, does a high seat post (extending from frame by 25cm, 10" or more) contribute to frame weakness, should one look to have a bike with a tall seat tube, or are MTB's designed ...
0
votes
2answers
96 views

Is an old mtb with replaced gear safe to buy? [duplicate]

I believe this question to be on topic for this site, I want it to be more factual based than opinion, another similar question is this one. If its not feel free to close it. I am looking at buying ...
1
vote
3answers
393 views

Would “fat” tires help me learn skinnies/log rides?

I'm relatively new to mountain biking, and am considering purchasing a new, less expensive bike to help me learn to ride wooden obstacles (skinnies, curved bridges, etc.) without fear of damaging my ...
4
votes
2answers
493 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?
12
votes
5answers
2k views

What skills/drills should I learn to descend faster and more confidently? (for mountain biking)

I've ridden road and mountain bikes for years, and this is my first year riding as a part of a team (and actually doing races). I've been stuck at nearly the same level of skill when descending and ...
28
votes
2answers
29k views

What's the difference between All-Mountain, Cross Country, Freeride, Downhill bikes?

I'm somewhat new to the world of mountain bikes and I'm seeing various terms to describe different bikes. What is the difference between all-mountain, cross country, freeride, and downhill? Are they ...
1
vote
2answers
140 views

Puddle of oil when left up side down

The other day I left my mountain bike upside down overnight as I was changing a tyre. The next morning i had a puddle of what seem to be oil next to the handle bar. Does anyone have an idea where is ...
1
vote
4answers
270 views

What are the practical limitations of a road bike compared to a mountain bike?

I grew up on a big box store mountain bike. I want to get a road bike for my commute, but I'm curious about the limitations I'll experience. I know the benefits of a road bike: lighter weight, less ...
2
votes
2answers
197 views

Should I restore my old mt-bike for winter commuting (and for wife to ride with me) or throw it away?

One year ago I moved to Boston and my father-in-law gave me his old Specialized mountain bike. He is a road bike guy so this bike was left aside for the longest time. It was in a decent shape. The ...
2
votes
3answers
2k views

Can I fit rear panniers to a full-suspension bike with a dropper post?

I'm looking at the Whyte T129s and have seen that there's a couple of options for fitting panniers to the back of a full-sus bike. Topeak Freeload - see link Any suggestions whether either of ...
3
votes
1answer
145 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 ...
2
votes
5answers
14k 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 ...
17
votes
6answers
22k views

Front suspension or full suspension mountain bike

I'm considering buying a mountain bike and have narrowed it down to two models (make and model aren't important for this question). One model is a full suspension bike (front and back), the other is ...
0
votes
2answers
140 views

Gears randomly switching

So I have a Trek Fuel SLR 90 and whenever I ride on flat dirt roads, the back gears randomly keep switching on me. It gets really annoying to ride Please help
0
votes
1answer
127 views

Pros and Cons of 29 "wheels [duplicate]

I have an 29" LaPierre Hardtail. What is the difference between 29" wheels and smaller ones? I'd like to know this not only for single trails but also on the road and / or downhill trails.
0
votes
2answers
69 views

SRAM X4 MTB Rear Derailleur H-Limit screw maximum open, but still on 7th Cog?

I own a 6 months old Rockrider 5.2 mountain bike. Everything was great until recently I noticed that the Rear Derailleur of my bike doesn't reach the highest gear cog, which is 8th. Its always stuck ...
1
vote
2answers
2k views

Minimum mountain groupset hard enough to resist abuse

I'm looking to upgrade my mountain bike and I would like to get something better than I have, if justified. I've never ridden any groupset better than alivio/deore, which work ok for me and have ...
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 ...