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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2answers
5k views

Upgrade the rear shock on my bike?

I currently have a 2006 Cannondale Prophet 1000, that I use for trail riding. I would like to upgrade the Manitou Swinger rear shock I have. How do I know which shocks will work with my bike? Is there ...
9
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4answers
16k 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 these ...
4
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10answers
2k views

Can I install a back bike rack without attachment to the rear part of the frame?

Can I install a back bike rack without attachment to the rear part of the frame? Also, if someone can clarify, whenever I google bike rack I get hits on racks designed to carry bikes on a car ...
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2answers
185 views

How can one stop brakes from screeching?

I'm hearing that annoying sound when you use your brakes and you get the chills from the screeching sound. I have disk brakes and a relatively new bike. It happens to be front tire shown below. I ...
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4answers
421 views

Buying a bike that has been idle in a garage for years?

A close friend who can no longer ride (illness) asked me if I wanted to buy his 2009 Trek Fuel EX 9. This bike has been hanging in his garage for 9 years and was only ridden for a couple of hours ...
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2answers
80 views

Wheel, tube and tires

My wheel shows ETRO 622 * 19. The tire on it is 700*38c. I want to change tire and tube such that the bike becomes capable for 50% road bike and 50% off road. What size of tires and tube should i ...
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1answer
61 views

Chain/rear derailleur off

I haven't been on a bike in years, and just picked up a used one to get into riding (2013 Specialized Hardrock). The rear gears aren't shifting properly, it seems to only move between the 2 smallest, ...
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1answer
41 views

Vintage shimano chain ring part numbers

I have several vintage NOS chain rings with part numbers. Is there a way to look them up to see what the specs are? Example: I have 4 rings with 24T, 68BCD: two of them have part# 17L24000 stamped ...
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3answers
344 views

Can I ride a big bike?

I am a MTB beginner and I just bought a used Giant stance 2. I knew from the beginning the bike is bigger than I should have, but it was a good deal. The bike frame is XL and I am 6’. Based on Giant ...
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3answers
206 views

How can I stop someone borrowing my bike anymore? [closed]

There's this kid I've been riding with for quite some time that keeps borrowing my bike non-stop leaving me riding his broken bike. Not that I dislike him riding my bike or anything, is just that ...
3
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1answer
105 views

What is the average reduction in air pressure for a mountain bike tire?

I've noticed that my mountain bike tire looses air, not because of a leak, etc., but just naturally as time progresses. Does anybody know the average psi loss over time for a mountain bike tire and ...
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0answers
46 views

What rear axle do I need?

I had the chance to buy myself a bargain the other week. It was a Muddy Fox Courier Comp mountain bike – I had one when they first came out. The thing is I need to get a rear axle long ...
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2answers
551 views

How to install a cartridge bottom bracket (threaded) in threadless shell?

Is it possible to install a threaded cartridge bottom bracket in a threadless shell which has a PF30 installed?
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2answers
2k views

Replacing the bike seat on my mid-1990s Trek mountain bike

I have an old Trek mountain bike, about 22 years old but still in great shape. I want to replace the original "Avocet" seat with a more comfortable seat. Are bike seats universal so I could buy ...
3
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1answer
89 views

Rockshox Reverb dropper seatpost squashing from new

I have a new bike with factory-fitted Reverb Stealth dropper seatpost. Having never had one before, I would like to know what movement you would expect on a seatpost if any. If I lift the bike up by ...
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189 views

Please help identify this frame

I would really appreciate any information that could help to identify this bike frame. I bought the frame at a garage sale and was told the frame was a "specialized" possibly s works but never had ...
2
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1answer
83 views

Single chainring conversion issues

I've got a Specialized Crosstrail Elite. I want to get rid of the front derailleur and go for a single front chainring. Its a 68mm BB shell but needs a 73mm BB with spacers. It currently has a FSA ...
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3answers
192 views

Can the Shimano front derailleur prevent a gear of my bike from working?

I recently bought a used rigid mountain bike, I'm very happy with it but I realized yesterday that I couldn't access the smallest chainring. This one has a total of 3 front gears, but only numbers 2 ...
12
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6answers
4k views

Should I replace my bicycle tires if they have not been inflated in multiple years

A little over 5 years ago I bought a Magna bicycle. Within the first summer of riding it the rear brake fell apart. I finally got around to having he brake fixed this past month but I am worried about ...
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1answer
108 views

What frame does my mountain bike have?

I'm trying to work out what my frame is, and what size bottom bracket it needs (68/71/73 mm), and the recommended spindle length. I've attempted to measure both and it seems to have a 68/115 bottom ...
3
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1answer
70 views

Octalink v2 bottom bracket on italian shell

I'm re-building an old Italian Bottecchia mountain bike which has Italian BB shell (70mm) and the previous bottom bracket was a square taper with 130mm spindle (measurement confirmed via calipers.) I ...
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1answer
61 views

Can I upgrade my 2007 front suspension?

I just bought a 2007 Trek Fuel EX5 used but the front suspension dial is cracked and makes it difficult to change the give. The current forks that are on there are RockShock Tora's. Would it be ...
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2answers
470 views

Why don't BMX plugs fit on MTB riser bar?

In a previous question, I have been told that the grip diameter of a MTB riser bar is 22.2mm. From research I did, the grip diameter of BMX handlebars is also 22.2mm. In fact, it's possible to use BMX ...
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0answers
202 views

Dyno Mountain Bike?

Did Dyno make Mountain Bikes? I always thought of this one as a MTB. Can anyone give me more information about it? It has this number on the bottom: 9552795 and 21 speeds with 26 inch tires. It's all ...
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3answers
2k views

Is it normal for disc brakes to smell of burnt plastic?

So, a new bike, Avid Elixir 5 180mm front and rear. My second ride was on a short dirt road, 340m denivelation. I held the brakes (mainly the front) more than 50% of the time, as the road was too ...
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1answer
66 views

Mountain bike suspension forks

I am thinking about changing out the worn suspension forks on my quite old Specialized Stumpjumper which has rim brakes. I found some forks online (RockShox 30 Silver TK Fork: 26") and some of the ...
17
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6answers
96k views

What is the purpose of suspension lockout?

I'm trying to decide which 29er 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 Update: We're good ...
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2answers
121 views

Deore RD M592 with old school shimano trigger shifter

I have an old school Devinci Coyote (2002) whose Alivio rear derailleur is having trouble shifting properly. I was wondering if I could replace it with a new Deore M592 without having to change the ...
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2answers
204 views

Damaged pedal axle thread in crank arm [duplicate]

I'm brand new to cycling and I have an entry level Cannondale catalyst 3. I was riding my bike on a trail and when I got home I noticed my right pedal was wobbling around. I tightened it but the pedal ...
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1answer
64 views

new or used bike? [closed]

I have a Cannondale catalyst 3 but for some reason I see myself constantly replacing things on it and I getting tired of taking out money just to replace something. I was wondering should I just try ...
2
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1answer
208 views

Sudden deflation of a mountain bike tube without a bang?

I pumped up my flat tires on a Sunday afternoon and on Monday nothing went wrong, but on Tuesday, my bike was left in the rain followed by scorching sun. During that time, both of my bike tires ...
14
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8answers
4k views

Loose spokes after only a few rides

I have recently joined the cycling world after committing to losing weight. I am a heavy rider at about 28st (390 lbs) and have after some advice gone for a GT Avalanche. I have had the bike less than ...
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2answers
130 views

My chain skips on the front chain rings. What do I do?

I currently ride a Cannondale Catalyst 3 and I've noticed my chain doesn't like to catch on my front chainrings. I'm very new to mountain biking and I am on a very low budget, so is there any way to ...
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4answers
4k views

Installing a Bottle Cage without Mounting Screws/Threads

I have a Next PX 6.0 mountain bike that I bought at Walmart a few years ago. It did not come with pre-installed mounting screws and/or threads for a bottle cage. The frame has large, strangely ...
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2answers
360 views

Bike won’t shift to 6 or 7 gear because shifter is too stiff

On my bike I have 7 gears at the back and 1,2,3,4,5 are normal and shift fine but some reason I can’t shift to 6 the lever or switch won’t go and feels stiff I’m unsure what it is I thought it might ...
4
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1answer
317 views

Does anybody recognize this MTB frame?

I just got this frame for a few bucks and I wonder if it is from a known manufacturer or not. I often find bikes with similar design aspects, but not this frame. There was also a Marzocchi 55 ETA from ...
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1answer
1k views

Panniers stuck in tire spokes!

I ride my bike as primary mode of transportation everyday. Recently, I decided to start using panniers for groceries, to spare my shoulders. I hooked them on to the rack on my bike, and rode to Trader ...
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2answers
205 views

What size rim is OK?

I have a 700x35c rear rim, it's bent pretty bad, but only can find 700x38c rims, is that ok to use? Or should I keep hunting for the same size rim?
5
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1answer
611 views

What do I do about a hydraulic disk brake piston that won't retract correctly?

My dual piston Shimano XT brakes are acting strange... One piston won't return to the right place, so one brake pad can be rubbing all the time, which doesn't let my wheel spin freely... I have done ...
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1answer
84 views

What bike should I get? For forests and city mainly [closed]

So right now I've got a hard tail but I'm not really happy with it. At the moment I'm only riding my bike in the city even though I am planning on riding it in the forest and parks as well. My ...
1
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4answers
2k views

Will panaracer 27.5x3.5 tires on Velocity Blunt 35 rims fit on a Medium Surly Karate Monkey Frame?

Will panaracer Fat B Nimble 27.5x3.5 tires on Velocity Blunt 35 rims fit on a Medium Surly Karate Monkey Frame? I doubt there will be any clearance issue on the front fork since it can hold a 29x3 ...
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1answer
236 views

Posture on mountain bike long term

I have been looking at sizing guides because I'm contemplating ordering a new bike and found out that I'm the totally wrong size for the bike I actually have. I'm normal proportions and 5 foot 7, but ...
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1answer
201 views

Is this bike XC or Trail?

My bike is a Exitway R16 with Rockshox Recon suspension. I was wondering if is this bike for XC racing, light trail riding or both. The bike is not the fastest nor the slowest, I have a little hard ...
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1answer
264 views

Does shorter shock stroke limit rear travel better than higher shock pressure?

I'm building a full-suspension XC bike for racing technical courses. My frame is built with a leverage ratio such that 45mm of shock stroke corresponds to 130mm of rear travel. 99% of the time, I am ...
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2answers
314 views

SRAM x5 derailleur fitting

So I am a complete novice when it comes to bike maintenance but working on a project mtb, old Saracen rufftrax. The rear derailleur was knackered so fitting a new SRAM x5, my question is do I need to ...
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2answers
74 views

Rear V brake replacement

So I am replacing the rear v brakes on my old Saracen ruff trax, callipers, cables and pads. My questions is... Unless I pull the brake cable tight through the calliper the pads do not get close ...
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2answers
330 views

Quick release and tires moving in the frame?

I have a Schwinn Boundary 2017 and it came with a quick-release front wheel. I noticed that no matter how tight I put the skewer it would be in a different position after extreme braking. The bike ...
6
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3answers
3k views

Can I pump my MTB tire to max (55 psi / 380 kPa) without the tube inside bursting?

I have a e-mountain bike and I use to commute to uni every day. I have heard that higher tire pressures give you a bit more speed. My tires say I can pump to 55 psi (380 kPa) but I don't know if my ...
2
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2answers
3k views

What might be causing rear casette to creak?

So I'm a bike noob in terms that my bike is certainly new, and since I bought it I've had problems with it. So this time, I've figured where the problem comes from, it's the rear casette exactly, ...
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2answers
951 views

My back tire rubbing frame

My back tire is rubbing on the frame and is having a great impact on the speed of my cycle.