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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need a 24/34/42 crankset but can only find 24/34/44 is that ok?

I'm trying to find a 24/34/42 175mm square tapered crankset for a 7 speed mtb rebuild but can only find a 24/34/44 crankset. Will the 2 extra teeth on the large chainring be a problem for me? would I ...
Matt's user avatar
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1 vote
3 answers
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1x9 wide range cassette

I am curious to find out if anyone has figured out a viable solution for a 1x9 wide range eg; 11 to 46 or 11 to 50 setup without using a derailleur hanger extension? I have a FS mtb and am not too ...
Raymond Dunne's user avatar
1 vote
1 answer
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What steps to minimize corrosion in mountain bike in non-climate controlled storage

I will be putting my mountain bike into a non-climate controlled storage space. I will be there about 90 days. Is there anything I can do to minimize rust and corrosion? Thanks.
fixit7's user avatar
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4 votes
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Restoring an old Trek 820 with a modern groupset

I have an old Trek 820 frame (from 1999-2000, I believe this is the one), which has some sentimental value to my wife. I'd like to use it to put together a working bicycle. I can wrap my head around ...
Radek's user avatar
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1 answer
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Problems installing new suspension fork

My new fork is considerably smaller where the crown race sits and does not sit in the bike frame snug. If I cut and install all the way will it work? My bike is a Carrera Sulcata 1 with a Suntour XCM ...
Ross 's user avatar
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8 votes
3 answers
317 views

Cube Stereo 150: Loose fitting bolt makes the entire ride wobbly and dangerous

The issue My 2019 cube stereo 150 rides very wobbly, to the point where it's outright dangerous on speeds above 40km/h. I pinpointed the issue to the lower bolt that connects the springed rear part of ...
Pieter De Bie's user avatar
6 votes
3 answers
1k views

Etiquette (and common sense) rules for MTB cyclists

There must be a collection of established wisdom for what not to do on the trails when riding with a small group of 2-4 cyclists. One example is following. If you're behind someone who's going into a ...
Sam7919's user avatar
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Currie mid-drive Pedal assist works sporadically

I have a Raleigh Route with a Curry Electro Drive trans x 350 watt pedal. Assist only motor. Pedal assist starts and stops almost immediately over and over the entire time I ride. Sometimes it doesn't ...
Parrish Shane Ward's user avatar
1 vote
2 answers
126 views

What bike + carrier combo for navigating hills with a toddler?

Recently moved to TX and there's a state park near our home with hilly terrain. I'd like to ride around with my toddler. What carrier + bike combo would make the most sense? I have a commuter bike but ...
bikemom's user avatar
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2 votes
2 answers
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Bleeding Promax Decipher Hydraulic Brakes

I have a Promax Decipher Hydraulic Rear Brake on a bike I am trying to repair, but no idea how to bleed the brakes. I have tried to find something out there in internet land but the two videos I found ...
Brian B's user avatar
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Question about durability of a hardtail

Having an mtb hardtail KTM ultra fire 27.5 (2015 model year) I wonder what it’s capable of in terms of jumping. I do get that it’s not designed for things of such sort but still want to know more ...
Ilya's user avatar
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3 votes
1 answer
505 views

Clicking / cracking noise rotating crank MTB

Suddenly during the ride, strange cracking noise started to happen. It happens even without a chain. The crank seems to rotate smoothly otherwise. There are more cracking noises when rotating forward. ...
petrsyn's user avatar
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21 votes
7 answers
5k views

14 "Trashed" bikes acquired for free. Worth repairing and reselling? What do I look for?

Very new to this, bike repair specifically. I tried my best with the tags. I'm mechanically inclined, like to tinker, and have many tools (not bike specific). Learning and time aren't really an issue. ...
PlayfulShad0w's user avatar
1 vote
3 answers
174 views

Looking to put my 40-year-old mtn bike on a smart trainer

I would like to upgrade my basic wind trainer to a Zwift Hub smart trainer. I'm using a 1980s 18-speed Mongoose Hilltopper with a thru axle (148mm). The Hub offers Shimano 8, 9, 10, 11, and 12 speed ...
Adelaide's user avatar
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1 answer
62 views

Can I upgrade my Montra Madrock 27.5T Orange from MTB to Hybrid

Bike details can be checked from below page https://www.trackandtrail.in/cycles/montra/montra-madrock-275t-29t-2021 https://montra.in/bikes/mtb/montra-madrock-29t/ The reason I want to try it is, ...
BikeRider's user avatar
3 votes
4 answers
1k views

Is it ok to have different size tires on my MTB?

I got a used Mongoose Excursion MTB, and it came with a 26x2.10 front tire and a 27.5 rear tire. Is this suitable? Will it ride normally? And what's the reason for different sizes?
Alison's user avatar
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2 votes
1 answer
195 views

MTB rear triangle specs for given frame / e-bike build

A used 27.5 19" e-bike frame (Bosch motor+battery model) (only front half) is advertised under the brand "Kilimanjaro e-tec 2.0", whatever. Its rear triangle, however, is missing and I ...
bozobkr's user avatar
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1 vote
1 answer
184 views

My bike has a 10 speed cassette. MTX hub motor takes 9 speed cassette can I remove last cog of my cassette without issues?

I need some advice. I have a Giant Anthem 2012 dual suspension bike. And want to put a 1500 watt 26" MTX cassette type rear hub motor onto it. I believe the MTX wheel can take up to a 9-speed ...
Chris Jamieson's user avatar
1 vote
1 answer
87 views

Can I straight-swap my cassette 10 cog wheel with a ebike hub motor free wheel 7 cog wheel?

I have a Giant Anthem bike that has a 10-cog cassette wheel. And I have just purchased an e-bike hub motor that is a freewheel with seven cogs. Can I go ahead and fit it without any problems?
Chris Jamieson's user avatar
3 votes
3 answers
1k views

Should one's bum be behind, or merely over, the lowered saddle on steeper descents?

Where exactly does your bum go on steeper descents? You lower the saddle (by all of the 120-150 mm it will go); and you pull as much of your weight as far back and as low as you can go to decrease the ...
Sam7919's user avatar
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3 votes
1 answer
209 views

How does the chain stabilizer perform its clutch function?

The chain stabilizer (blue in the sketch below; source) consists of two parts. The two parts are: an outer metal part (top right of the image below), and an inner part (bottom left of the image ...
Sam7919's user avatar
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4 votes
1 answer
387 views

How do i remove my crankset and bottom bracket?

I have a Specialized Hardrock I'm trying to remove the crankset and bottom bracket from. It's a square taper crank and I do have a Parktool CWP-7 however I have yet to understand how to use it exactly ...
Alison's user avatar
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9 votes
4 answers
1k views

How to adapt a spoke salvaged from a 26" wheel to a 24" one?

This evening in trying to true a rear wheel run over by a car I managed to snap a spoke on a 24-inch rim. I have some salvaged spokes and spoke nipples from a destroyed 26-inch mountain bike rim, and ...
Darth Continent's user avatar
5 votes
3 answers
3k views

Cassette fell off while whacking the wheel on a rock — is this normal?

While replacing an inner tube, I whacked my rear wheel's tire on a rock to make sure the tube inside was straight and had no kinks. While doing so, my cassette fell off, together with a few inner ...
anatolyg's user avatar
  • 1,254
3 votes
4 answers
244 views

Can a 9 speed rear derailleur be used with a 7 speed freewheel and shifters?

I know this has been asked before but wanted to make sure in case things have changed over the years. I have a brand new Deore M592 Shadow 9 Speed rear derailleur and wanted to know if I can replace ...
Ben Sibley's user avatar
1 vote
2 answers
152 views

What size road tyre could fit my MTB? Currently, I have 27.5 x 2.0 tyres [duplicate]

I was in the process of changing my MTB's tires to something more road oriented, what sizes could fit my rim? More precisely, how much thinner can I safely go?
Caesar's user avatar
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2 votes
4 answers
3k views

Chain is rubbing the front derailleur even after trying to align using indexing screws

I have a Trek Marlin 5 (2022) MTB with Shimano Altus M315 as the front derailleur. The problem is the chain (KMC Z8.3) is rubbing the derailleur on higher gears (for example, when using 2x7 or 2x8) ...
heemayl's user avatar
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4 votes
2 answers
636 views

Is this inner tube too big for the Rim?

I got a new inner tube for my bike and it's way bigger than the rim, It's just its usual size; didn't inflate it too much or anything like that. The older one I was replacing just fits fine. IS this ...
spaz's user avatar
  • 41
1 vote
3 answers
254 views

Get a better seat post that will last longer

I took off the seat post for my Huffy MTB. The pic shows the measurements of the old post. (Ed: The actual measurement is 28.6mm, see comment) Can someone help me find one that will outlast the ...
fixit7's user avatar
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1 vote
1 answer
555 views

Huffy model number

I need to find the model number in order to get help from Huffy. I think it is somewhere in this sticker. Is the model number here?
fixit7's user avatar
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1 vote
2 answers
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Can I replace 24x1.95 tires with 24x1.75? [duplicate]

Short background I recently found my old gravel bike and I want to get it ridable again. I noticed that the 24" 1.95 (53-507) tires that came with it are super worn out so I want to replace them. ...
Chewy Cheeky's user avatar
2 votes
1 answer
210 views

Where could i find the intended travel for my specific mtb suspension forks

I have a Akela forged CR-MO mtb suspension fork that im trying to find the specs for. I'm building a bicycle for the first time and need forks for it. I have a few forks laying around. I know the ...
Alison's user avatar
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1 vote
1 answer
210 views

Bicycle seat choice

I just happened to wander into a bike shop last week. It specializes in racing bikes. I asked the owner about my problem of my glutes hurting after rides. He said to get rid of the wide gel foam seat ...
fixit7's user avatar
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1 vote
4 answers
199 views

Flat repair advice needed

After have a flat at night about 2 miles from home, I would like to have a better strategy for getting back home other than walking my MTB bike home. I have these. I am not sure how to use the CO2 ...
fixit7's user avatar
  • 1,234
7 votes
5 answers
2k views

A small bolt/nut came off my mtn bike while washing it, can someone help me identify it?

I was washing my’12 specialized stumpjumper. When shaking it/drying it off, a screw/bolt came off and I can’t find where it belongs and don’t know what it is. It has threads inside and fits a 3mm ...
Mw3841's user avatar
  • 209
3 votes
2 answers
199 views

BMC blast with Shimano Deore drivetrain of 10 gears (1x10) can the chainring of 32t be replaced with a 44t or 42t chainring?

BMC blast with Shimano Deore drivetrain of 10 gears (1x10) requires too fast a cadence for 90% of my rides, can the chainring of 32t be replaced with a 44t or 42t chainring? Explanation: I commute by ...
Tony Reyes's user avatar
3 votes
1 answer
204 views

How to tell when 1x Sram Xsync chainring needs replacing

I have an x01 12 speed drivetrain and when I push down on my cranks to pedal it seems like theres a slight amount of play between the chainring and chain. It's in the direction of the chain movement, ...
Sean 's user avatar
  • 31
4 votes
1 answer
438 views

Why do goggle lenses have "posts?"

I recently acquired a set of MTB goggles. Both the lens it came with and an alternate lens I purchased claim to have "posts," which I understand to be two small hourglass shapes protruding ...
Michael's user avatar
  • 834
6 votes
1 answer
236 views

How does front derailleur limit the tire width?

I am somewhat puzzled, because one of the promises of Boost standard was "you can run wider tires". But it does not seem so -- I try to figure out my next (?) setup, 2x10, 29x2.6" tires ...
greenoldman's user avatar
  • 2,054
1 vote
1 answer
141 views

Please help me identify my bike model by this picture

I got this bike more than 5 years ago and I don't remember its model. Every clue/reply to this post will help! Thanks!
Yaniv's user avatar
  • 19
2 votes
2 answers
111 views

How to tell what service my MTB front hydraulic brakes need?

The front Shimano SLX (m7120) hydraulic disc brakes on my trail bikes have lost their mojo. It still brakes but less aggressively than a year ago. Possible causes are worn pads and air bubbles in the ...
ysap's user avatar
  • 171
0 votes
1 answer
73 views

Which Banjo bolts do I need for Zee M640 calipers?

I've just ordered a set of Zee M640 calipers to replace the old BR-M596 2 piston calipers on a bike I bought recently. While looking for other parts I need I noticed that the calipers don't come with ...
McDoof's user avatar
  • 1
3 votes
1 answer
1k views

11 speed MTB cassette on 11 speed road hub (once again!)

Before I start: I know a similar question has been already answered here, but this time it comes with a twist. So here I go: My setup: 11 speed road hub - stock on on my DTs 11 speed MTB cassette - ...
DerMihai's user avatar
0 votes
1 answer
507 views

My preload screw doesnt work

The preload screw on my mtb fork is very loose and easy to turn, I have a spring fork. The preload doesn't change even if I loosen or tighten the screw. Any ideas on what could be wrong?
Shriyan's user avatar
5 votes
4 answers
4k views

How to tell if my bike has an aluminum frame

Is there a way to tell if my bike has an aluminum frame? Huffy 26-Inch Scout Men's 21-Speed Hardtail Mountain Bike
fixit7's user avatar
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2 votes
1 answer
90 views

Sound from front of bike

I am hearing a sound coming from the area around the front rotor. It sounds kind of like the sound a baby bird might make. It occurs whether I am pedaling or not. I put some marksalot on the disc on ...
fixit7's user avatar
  • 1,234
5 votes
4 answers
542 views

Problem mounting bottle cage to handlebars

Is there a way I can fix the mount of this bottle cage so it is more level? The handle bars on the bike are shorter than my old bike.
fixit7's user avatar
  • 1,234
2 votes
1 answer
174 views

Shimano 7 speed shifter with 9 speed drivetrain

Can I use a Shimano Alivio 7 speed shifter with Shimano Deore 9 speed drivetrain? Basically the bike originally came with everything being set up for 7 speed. Somebody switched out my tire/rim and ...
Phil's user avatar
  • 21
0 votes
3 answers
304 views

Best specifications to look for a mixed use bike

I enjoy riding on narrow trails, going on cross country and exploring the woods with my bike. But sadly, I spend most of my time on the bike commuting to my job. My question is what are the best specs ...
Jonathan Pacheco's user avatar
2 votes
1 answer
104 views

Specs to take into account when changing frame on Enduro MTB

The frame of my Enduro MTB is cracked and needs changing. The bike is 10 years old so I will look for a second hand frame and I'd like to be able to use as many of my current parts as possible. What ...
NicoH's user avatar
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