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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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Help identifying MTB frame

Apologies making ANOTHER one of these threads...Anyhows: Bought a bike third hand, frame has been stripped and painted. Trying to find make & model so I can get some offset bushings for the shock. ...
Joseph Niet's user avatar
2 votes
0 answers
351 views

HELP Identifying a vintage MTB frame

I only have three clues: "3.0 Aluminum" on the top tube Serial Number on the frame itself "Designed in the USA" flag decal Can anyone help me identify this vintage MTB frame?
user57657's user avatar
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Do Silverfox have a website?

I about 12-13 years ago I bought a Silverfox Slither mountain bike on a whim, and after the initial excitement wore off, I have rarely used it over the years. Fast forward to today, I've got back ...
Biggus69's user avatar
2 votes
0 answers
169 views

SRAM Hydraulic brake stuck (with a changed bite point) after landing/impact

I experienced a weird problem on my SRAM level t 2 piston brakes. I like hopping my bike around, e.g. bunny hopping onto curbs. Sometimes, if the impact is hard, the brake lever would have reduced ...
gastro's user avatar
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2 votes
0 answers
875 views

Normal MTB trigger shifters and hydraulic brake levers on a bullhorn handlebar

Was wondering if mounting Altus shifters and hydraulic brake levers on the vertical sides of a bullhorn handlebar would work or would be possible? I tried holding one of my grips on my flat bar while ...
Anonymous newbee's user avatar
2 votes
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107 views

Freehub with sealed/cartridge bearings

I decided to buy a new freehub and replace it myself, as the one I had broke down (started spinning to both sides). However, I didn't realize the new freehub has sealed/cartridge bearings as opposed ...
Ivo Silva's user avatar
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2 votes
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261 views

Shimano MTB (SM-SH51) Cleats moving vertically in pedal

My new shoes/cleats seem to have "vertical" movement (not lateral float) and I can't figure out why, or how to fix it. I recently got new shoes (Shimano XC-7) that use the same SM-SH51 standard ...
John Tracy's user avatar
2 votes
0 answers
84 views

What's the type of polymer material used in friction bushings in Sram rear derailleurs clutches?

The friction bushing of an (older) Sram rear derailleur clutch is shown below. What type of polymer material are these made out of? I'm also interested to know what friction materials are used in the ...
Cedric Eveleigh's user avatar
2 votes
0 answers
1k views

Tightened the bolts on the bottom of my suspension fork -- What now?

So... a few hours ago I did a bolt check on my bike. As I was about finished I checked the 2 bolts on the bottom of each of the fork's legs. They were kinda easy to tighten so I said to myself go for ...
Stefanos Eleutheriadis's user avatar
1 vote
1 answer
110 views

Bike pedaling makes cracking noise under middle or high load

Can this be related to bottom bracket bearings of Race Face BB92, PressFit? The chain is freshly lubricated and quite a new one. No noice is produced when pedalling with low load or not pedalling. ...
petrsyn's user avatar
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1 vote
1 answer
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Running DUB wide crank with 52mm chainline

I have a set of sram xx1 carbon cranks that are DUB wide. My bike (2023 Specialized Epic Evo) is DUB crank 52mm chainline. If I add BB spacers to the DUB wide crank and use a 6mm offset chainring ...
Derek Ryan's user avatar
1 vote
0 answers
78 views

In how many guises are MTB shorts made?

MTB-specific shorts seem to be currently made in the following guises: Shorts from special rip-resistant fabrics and strategically placed pockets, with no padding. Rider can size up and wear padded ...
Sam7919's user avatar
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1 vote
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450 views

How to mount dropper post to Scott Scale without removing BB?

Do you know an easy way to install a dropper to Scott Scale 920 without removing bottom bracket? The frame looks like this: https://www.scott-sports.com/dk/en/product/scott-scale-920-bike And the ...
Politechniczny's user avatar
1 vote
0 answers
124 views

popping sound when pedaling

I locate the source of the popping noise to be around the hub. So far I think I lubricated everything I can get my hands on. The noise is constant and it happens at all gears. I know it's not the ...
squirrelonfire's user avatar
1 vote
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51 views

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
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85 views

Asking help if this is indeed a Haro elevated chainstay mountain bike

Dad bought this as a new old stock from a bike shop here in the Philippines. It had Suntour derailleurs but generic shifters. The front derailleur spring broke whatever shifter it had. I doubt that it ...
John Baylon Sedonio's user avatar
1 vote
0 answers
394 views

Rear wheel jerks and wobbles while riding

I bought a Hero howler 27.5T MTB- single speed two years ago. At that time I was 120kg (265lbs) and I hadn't faced any issue while riding cycle. Then I stopped cycling for almost 2 years. I parked it ...
hetal gokani's user avatar
1 vote
0 answers
157 views

Tip of the shoe prevents unclipping with crank rotated to the rear

I recently got some Crankbrothers Mallet E pedals (standard cleats) and Shimano MW7 shoes for winter. Now I noticed that when I try to unclip with my rear foot the crank arm (Truvativ Stylo 6K, Boost) ...
reciprocal lettuce's user avatar
1 vote
0 answers
276 views

2nd gear ghost shifts to 1st gear

Initially my bike had a problem with the rear derailleur being able to shift into the spokes. The mechanic said the limit screws needed adjusting. But am still having ghost shifting into first when in ...
Ageis's user avatar
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1 vote
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132 views

Cassette noise in gears 1,2 and 3 on newer bike

I was out riding when I broke my chain (too high of a gear and too steep of a gradient). Got chain replaced and now my cassette gear 1 (easiest gear) takes more power to pedal than gear 2 and when I ...
Dale Jennings's user avatar
1 vote
0 answers
129 views

Can a 2cm lower ETT and 3cm lower stack make a big difference

I have recently been testing two mountain bikes: one with a 44cm (~17.5") frame, which I bought second-hand and one with a 45.7cm frame (~18"), which I bought new but want to return it as I ...
PhantomR's user avatar
  • 241
1 vote
0 answers
644 views

Bickepacking saddle bag touches rear wheel on mountain bike

I am planning a 2 weeks trip following a mountain bike itinerary consisting of 650 km including single trails and 25'000 m of positive (and negative) elevation. I planned to go with my full suspension ...
Puck's user avatar
  • 171
1 vote
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399 views

Help me identify bike frame. Repainted, but have serial number

I got this bike second hand, accordingly to the previous owner it should be a rocky mountain. He said that he repainted the bike and created new stickers for it. I couldn't find a similar rocky ...
l000p's user avatar
  • 111
1 vote
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245 views

Rear wheel keeps ending up squint, axel on cassette side lateral movement?

I have an old(?) 2010 Carrera Vulcan MTB and the rear derailleur hanger broke a few months ago (my son accidentally bashed it with his bike). Even though the bike is old, it has not really seen much ...
chaotudou's user avatar
1 vote
0 answers
103 views

Would too small of a mountain bike frame cause lower back pain?

I'm just under 6' 2" and recently got a Large transition patrol. I'm right on the cusp of needing an XL frame. Anyway, I had a Large patrol before and am noticing now as I did then that my lower back ...
Kyle Pennell's user avatar
1 vote
0 answers
100 views

identifying a mtb frame

about one or two years ago my brother has brought this bike home and i am now thinking of restoring it. It has an alloy frame unsure of the size but the wheels are 27.5", feels strong and solid... But ...
TheIntrovertedDude's user avatar
1 vote
0 answers
2k views

Replace SR Suntour remote speed lockout to normal knob

My MTB has SR Suntour XCM 30 fork with Remote Speed Lockout system. I rarely use the lockout system but it is useful sometimes. I want to convert this remote lockout system to normal knob which can be ...
Bhavesh Jadav's user avatar
1 vote
0 answers
328 views

Stiff, hard to use poplock, rockshox recon silver

My bike is equipped with front suspension Rockshox Recon Silver with PopLock remote lock. The use of that control is VERY stiff and HARD to lock (very easy to unlock though). Every time I need to ...
Alex Par's user avatar
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1 vote
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1k views

Ting/Ping noise from front wheel around rotor

There is a constant ting-ting-ting noise from the front brake/rotor of my mountain bike. The bike shop said it's the rivets of the floating rotor but I'm not convinced at it happens from the moment I ...
A.N Other's user avatar
1 vote
0 answers
164 views

XTR M960 Crank to Stages power meter compatibility

I want to buy a Stages power meter but my MTB has an old XTR M960 crankset. I wonder if a Stages XTR M980, M985, M9000 or M9020 left arm meter can be installed replacing the left crankarm of my old ...
FranK NuneZ's user avatar
1 vote
0 answers
471 views

Freehub stuck on wheel

The freehub doesn't quite roll as smoothly as before. Pedalling back actually turns the wheel back if it's free spinning. So we thought we'd take the body off to clean it and see if anythings broken ...
redacted1111's user avatar
1 vote
0 answers
481 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 ...
Mitch's user avatar
  • 327
1 vote
0 answers
219 views

What frame is this?

Could you help to find out the brand, type, & year model of this MTB frame? The "Gary Fisher" decal was added later and is not correct.
ara's user avatar
  • 11
1 vote
1 answer
69 views

Compatibility question

I was wondering on a mountain bike what rear derailleurs work if have a 21 speed bike. Additional information: 7 ring rear cassette and 3 in the front Will an 8 and 9 speed rear derailleur work or ...
Dogsparky's user avatar
0 votes
0 answers
21 views

Confused about tire leakage, valve not attached

I’ve gotten a second hand mountain bicycle (felt brand), now the back tire is leaking air and is unusable. First, I thought that the tube was burst and would need replacing. But now I am just confused ...
Felt_mountain's user avatar
0 votes
0 answers
34 views

SRAM 1:1 shifter + Shimano 11 speed MTB RD

I'm planning my next bike build with an 11-50 cassette but I don't want more than 10 gears for personal preferences. I've seen Chinese-brand drivetrains (LTWOO) that can do this but I want something a ...
Gregory Leo's user avatar
  • 1,305
0 votes
0 answers
81 views

Serial number/ head badge help needed

I have what I believe is a 1983/1984 Schwinn Sidewinder 10 speed. I am trying to decipher when and where it exactly was built and the year. The serial number on the head tube reads as- DU522482 and ...
ARL's user avatar
  • 1
0 votes
0 answers
44 views

Help me decode Haro Vector serial number please

Recently acquired a Haro Vector mountain bike. Serial number V2K506004 anyone please help me decode this?
Josh Reedy's user avatar
0 votes
0 answers
81 views

Help identifying frame brand/model

My friend gave me this frame and the old paint job was covered with spray paint so I decided to paint, strip and run it raw. I need help with identifying the frame. The pictures provided show the ...
FlareCas.'s user avatar
0 votes
0 answers
78 views

Shimano XTR brake

The master cylinder plug popped out--not the bleed plug with the allen
rob's user avatar
  • 1
0 votes
0 answers
320 views

GT Bike model and year?

This bike is being offered to me, but i cant find the model and year pls help! I think it might be a GT Zaskar or a GT Avalanche mustang, but the GT winged logo makes me doubt. Thanks
Juan's user avatar
  • 11
0 votes
0 answers
59 views

Mountain bike Yazoo Fsv 3.6n front derailleur shifter is not shifting under the 2nd gear

My Yazoo FSV 3.6N MTB front derailleur is not shifting under the 2nd gear. When I try to shift down it doesn't go to 1st gear, it stays between 1st and 2nd. I'd leave a video here but I can't.
Daniel Golovatic's user avatar
0 votes
0 answers
241 views

Should I get a downhill bike a little bit smaller size?

My question would be is if I should buy a YT Tues CF 27.5 2017, size M when my height is 181cm, and the bike's chart goes up to 178 cm. And it is used by the way.
Gergő Kancsár's user avatar
0 votes
0 answers
572 views

Electric bike chain skipping on smallest sprocket

I recently bought a BH Lynx 6 electric mountain bike and so far have been having struggles getting it riding well. After getting it here and setting it up I found that in the highest gear (smallest ...
Chad's user avatar
  • 101
0 votes
0 answers
99 views

MTB size for a tall guy

I'm out looking for a new full suspension XC bike. I've had an Epic 3-4 years ago. I've had a little break until now. Normally I would choose a size XL any day, but I've seen some pro's sizing down. ...
Nicolai's user avatar
0 votes
0 answers
74 views

Brakes QHD-6 Tork - how to fit new pads

I have a Claud Butler MTB which is fitted with QHD-6 Tork hydraulic brakes. Whilst these have worked really well for a number of years, recently the rear brakes stuck on whilst I was out. I have now ...
user2893984's user avatar
0 votes
0 answers
142 views

if i use qr adapters will it make my 135mm wheel to a 142mm or will it stay the same

I have a 142"mm hub now but it is worn out and i need a new one. I found a 135"mm hub but it is a thru axle but i need a qr. can i use adapters and will they make it wider and closer to my original ...
Brandon Hood's user avatar
0 votes
0 answers
95 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 ...
Jason Edwards's user avatar
0 votes
0 answers
1k 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 ...
Glenn's user avatar
  • 21
0 votes
0 answers
2k views

SR Suntour Fork Disassembly - No Screw/Bolt near Dropouts / Giant Sedona LX 2005

I have a Giant Sedona LX... probably from 2005 (?) with an SR Suntour fork on it. Magnesium... I'm trying to disassemble the fork to inspect whether it is rusted (and will be tossed as it is not ...
Kegan's user avatar
  • 1