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Questions tagged [fork]

Usually means the front fork, where the front wheel sits. Can also mean the rear fork, a part of the frame.

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1answer
35 views

Air in oil damper of suspension fork after pulling hard while disassembling

I've opened my Reba fork (FS-REBA-RL-A6) for the 1st time to investigate an air-spring failure and found the lower legs quite difficult to separate, even after not-so-gently tapping the bottom bolts. ...
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1answer
40 views

Hole inside fork's upper tube, air-spring side?

I've disassembled my Reba fork (FS-REBA-RL-A6) and found a hole in the inner wall of the top tube, air-spring side leg. Doesn't look perfectly round to me, even though it can be an effect of a bit of ...
2
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1answer
81 views

Will replacing 26“ suspension fork with rigid 29”

I have an old Nashbar mountain bike with a suspension fork. I would like to replace the fork with a rigid one. The suspension fork weighs tons and is too squishy since I ride it mostly on trail paths. ...
2
votes
1answer
67 views

Replacing Raleigh record ace forks circa 1978

I wrecked my bike 7 years ago, in a bad crash. I rode home in shock. I went through a lot. I replaced the tires, tubes, wheels and brakes. The forks are bent and at higher speeds there is some weird ...
2
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1answer
121 views

Bicycle fork design history

I recently saw a bicycle on display that was labeled as circa 1895 (from the White Crown bicycle company), and the fork blades appear to be made from a single piece of tubing bent into a U-shape (see ...
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2answers
52 views

Would longer axle to crown be ok?

I have a Trek 820 2014 26 inch for which I had the lbs convert to rigid fork. The original suspension fork was a suntour m3030 which the manufacturer states has a 63mm travel for my bike size. I lost ...
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2answers
49 views

Are Suntour XCM30 forks adjustable with lockout?

I have a couple of issues I could do with some answers, I hope you don't mind me asking all in one go. I have a Carrera 29er that came with Suntour XCM30 Forks, the store that sold it has the ...
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1answer
40 views

Frame and Fork compatibility - 1 1/4“ to 1 1/2”

I've bought a new frame being this one: https://www.bike-discount.de/en/buy/cube-axial-wls-pro-frame-black-n-green-643919 I already have a fork from another bike which is 1 1/8" to 1 1/2" I wonder ...
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0answers
51 views

Fork lockout problems

So recently I noticed on my suntour forks with lockout that once I turned the dial it locked out but after riding for a while it starts to compress without me even turning the dial to open. Why does ...
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2answers
79 views

Replacing Giant Defy 4 2013 alloy steerer fork with Giant carbon steerer fork

I am planning on making the above replacement. The original fork is the composite fork with alloy steerer, however the replacement (from Giant) has a carbon steerer. Can I still use the same original ...
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1answer
52 views

What kind of fork end is this?

I am looking for a new city/urban bike and thought that a gear hub would be a nice addition (before this I was exclusively using derailleur gears). To get started I was reading the wiki page on fork ...
4
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1answer
1k views

Can I use denatured alcohol instead of isopropyl alcohol when servicing a fork?

I want to try to do the lower leg service of my suspension fork myself for the first time. In the RockShox videos on that topic on YouTube, they take apart the fork and clean the parts with isopropyl ...
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4answers
2k views

Is it possible to convert a suspension fork to rigid by drilling it?

I have been given a Falcon MTB. I've sorted out all its troubles but the front suspension fork is worn. When using the front brake the slack in the tubes make them judder. Is there anyway I can "...
5
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2answers
143 views

Which kind of test has bike parts to pass to be sold?

This is a question regarding bureaucracy/testing. What are the quality tests / standards that a bicycle and/or its parts need to pass before access the market? I am thinking about Germany/USA and ...
1
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2answers
189 views

Hose Clamp Salsa Watter Bottle Cage to Rigid Fork with No Sliding (Gravel)

Last year, I used some plastic clamps I bought from a LBS to mount two stainless steel Salsa water bottle cages to my rigid fork as shown in this picture: Unfortunately, the plastic clamps wouldn't ...
2
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1answer
122 views

What is this fender part called and where do I get one?

My bike came with this plastic bracket thing that holds the fender to the fork arch. It's very convenient and now I want to buy another one. Unfortunately, I cannot find this part anywhere online, and ...
3
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1answer
86 views

Hole in fork crown welding seam

Some time ago I noticed a clicking noise somewhere in headset area. Noise appears under pressure, also it clicks when I tightening the headset. First thought was that problem is with headset bearings, ...
1
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0answers
49 views

Rockshox Pike 351 closest mainline model?

I'm looking at getting some second-hand Rockshox Pike 351 forks that will need some refurbish work doing on them. What mainline model of Rockshox would I be looking at for replacement parts (I think ...
3
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1answer
175 views

What is maximum load of CroMo fork?

Some forks come with already drilled mounting points for bottle cages: I have exactly this one, CroMo fork and I wonder what is the maximum load of it (I am asking about single "leg", one side). I am ...
2
votes
1answer
283 views

Alternative tools for servicing a Fox fork 2016+

Official tools are too expensive. I mean lower leg removal, seal driver and seal extractor tools. Forks with new seals from 2016 onwards. Which alternative tools do you use? My fork: 2017 Fox 32 ...
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0answers
62 views

My Rockshox Froze Hard

My Rockshox Dart 3 (Quite an old one, bought from my friend USED) froze in the winter (-15 °C). It won't budge. I thought I turned the lockout but I didn't. Is there any chance that some water got ...
1
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1answer
114 views

Fork is noisy sounds like metal parts are loose

I have an old road bike. It's suddenly very noisy around the fork section and the headset. I've checked and everything around the front wheel seems perfect. However, i month ago i tighten the headset ...
3
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1answer
90 views

Can't fit damper back into suspension forks

I'm driving myself mad here trying to fix this. I work in a local bike rental / repair store, and took apart a bike's Suntour NEX 4610 V4 (2012?) forks from one of the rental bikes - now I can't fit ...
1
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1answer
501 views

Putting a DH fork on an enduro bike: consequences?

I am into downhill (DH) but I don't live 1) in a country with a lot of DH parks with lifting services etc 2) near such parks. Still I like riding rough stuff (in forests or in town) so that I would ...
3
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1answer
410 views

How to adjust RST fork travel?

Today I own a RST Champ fork with 100mm of travel. After doing some research I found that there are 3 travel options 80mm, 100mm and 120mm. I also find out that the adjustment is done by adding or ...
6
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1answer
243 views

On fitting 700C rims to a dynamo hub rated for up to 20"

I am currently in the planning stages of creating a really fancy front fork for my bike. For a little background, I want to try to get this custom built Burrows monoblade with disc mount: https://...
2
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1answer
138 views

Will dual pivot caliper brakes work on cantilever fork?

I have 26” tokyobike(used to be 650c) with tektro r369 which are long reach dual pivot caliper brakes. I want to change the fork so I can put wider tyres. Will the 26” mtb cantilever fork work with ...
2
votes
2answers
173 views

Does using a DH fork reduced to 150mm (6") make sense on an ebike?

I recently found out that you can apparently reduce the travel of 8" DH forks such as Fox 40 to 6". This raises the question: would it make sense to do this for ebikes? I like dual-crown forks because ...
3
votes
2answers
395 views

Compression ring not holding top of fork in place

I just replaced a fork with a different one (Bluto»Mastodon) and, after inserting the compression ring into the top bearing (it has a tapered section), the steerer tube still wiggles from side to side....
2
votes
1answer
110 views

Steering tube turning inside fork crown

I need some help. I can't seem to find an answer to my particular problem. Recently, I was riding my bike on a sidewalk since it was getting dark, and I went through a patch of weeds. It seemed ...
3
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3answers
104 views

Just curious what DIY setups have worked for removing crown race from a steerer tube?

I have a great solution for installing a crown race with just plain PVC pipe, but am really flummoxed as to how to remove a crown race from carbon forks without purchasing a specialized tool or ...
3
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1answer
168 views

Doubts about carbon fork condition

I've recently bought a second-hand Fuji Jari 1.7 (http://archive.fujibikes.com/2018/Fuji/jari-172). It's in good condition and works without problems, the only thing I'm slightly worried about is the ...
2
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1answer
289 views

Restore rusted chrome forks?

I'm restoring an old bike. I have removed two layers of paint on the forks to reveal the original chrome on the forks. Unfortuantly they have rusted, and it looks like it has gone through the chrome ...
2
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1answer
119 views

Use disc fork on an Lynskey R260?

I got a great deal for a Lynskey R260, that is set for caliper brakes. I'm building my first bike from scratch and am thinking of using disc brakes on the front fork. Is there any reason why I wouldn'...
4
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2answers
64 views

Failure modes for suspension forks, air and coil

An air suspension fork on one of my bikes starts showing its age: noticeable play, scratches on stanchions etc. It has not become less smooth and does not leak air so far, however. I am starting to ...
4
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2answers
222 views

Rigid fork on GT Avalanche 3.0

I'm looking into buying inexpensive rigid fork (~50 EUR) for my old GT Avalanche 3.0 (disc brakes) to make it slightly better commuter bike. My daily ride is 10km one way on asphalt surface. What ...
3
votes
1answer
295 views

Wheel axle too short on the fork

I think my front wheel axle is too short, it is only half the size of the fork notch, see the picture: But if I remove the nut, the fork would touch the wheel and the disc brake. When I insert the ...
2
votes
1answer
600 views

Are full carbon forks less prone to failing from hidden defects than those with alloy steerers?

Are full carbon forks less prone to failing from hidden defects than those with alloy steerers? Even though the mechanics couldn't find problems with Richard Stanton's bike, his fork failed ...
0
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1answer
72 views

How do I determine my bike's fork width?

I have a Breezer Liberty 2.3. I am trying to determine whether it would work with the CycleOps Hammer trainer. The trainer says it is "Quick-release compatible for bike frames with fork widths of ...
1
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4answers
777 views

Bent fork, is it replaceable?

I got into an accident on my Raleigh Revenio 1.0 nearly 5 years ago. I've ridden it 400-500km since then with no problems. I don't see any damage to my top tube, down tube, or head tube. It turns out ...
8
votes
2answers
284 views

How to fix ripped out ball joint in indirect under seat steering recumbent

There are two ball joints involved in the steering mechanism of my under seat steering recumbent. One of them ripped out of its socket: The dirty grey-green part inside the end of the bar is made of ...
3
votes
2answers
85 views

Are plus forks a suitable alternative to fatbike-specific forks?

I recently got a 27.5+ Fox fork only to discover that the distance between the legs of the fork is 4.3". This made me think that one could fit a 4" tire (obviously, using a 110 mm front hub instead of ...
11
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1answer
2k views

What are the benefits of *rigid* lefty fork?

I know there is already a discussion about suspension lefty forks. However, that post completely avoids mentioning of their rigid counterparts which also can be found in the wild. Below is a couple ...
2
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1answer
274 views

Fork oil spilled out. Rebound Damper Assembly is missing

I took my bike out of the car, and it spilled lots of oil from the fork when was on the tarmac, ( Manitou Six Elite 2002 ) through a screw-hole where the "Rebound Damper Assembly" is supposed to be. I ...
3
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3answers
459 views

Broken fork and front wheel after head-on crash, need to replace headset?

Crashed out a couple of months ago, broke my front wheel, fork, and left collarbone. The crash busted my fork pretty bad, I can't even turn the front wheel now without it getting stuck on the frame. ...
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3answers
1k views

Damping effects of carbon forks

Around where I live the common wisdom is that on a road, gravel or similar bike, a carbon fork will cushion some of the vibration more than a metal fork. On some web discussion forums I see that ...
2
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1answer
183 views

Any good 80-90mm travel forks?

My bike came with an 80mm travel fork. I haven't found any 80mm fork online; the lowest travel is 100mm. I asked the support team if I can install a 100mm fork in it and they said it would void the ...
2
votes
1answer
284 views

Shimano BR-T4000 not compatible with frame pivot stud

I tired to replace v-brakes on my random cheap frame as spring regulation things started to fall apart. For replacement I picked front+rear set of Shimano BR-T4000 v-brakes because v-brakes are so ...
11
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2answers
3k views

Crack in fork or just paint

Yesterday I saw something like a crack in the carbon fork of my roadbike. Now I don't have any clue if this is a really a crack or just the paint. Maybe someone can help me or tell me how to find out. ...
2
votes
1answer
196 views

Is this a real Concorde or just a replica?

I'm confused with this, the lugs in this bike look identical with another Concorde but the tubing sticker clearly says "Reynolds". (Concorde only uses Colombus, right?)