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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2
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1answer
121 views

How does front projection affect stability?

So I was reading this article called Stability of a Bicycle by David E. H. Jones and in it he talked about how front projection affects the stability of a bicycle with a negative front projection ...
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1answer
68 views

What to buy for replacing missing fork top cap?

The bike I own is a pretty old Nishiki 351 Hybrid bike, so any branded spare parts are pretty hard to find. Now I have this issue of missing a top cap from the fork (see image). What kind of cap ...
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1answer
105 views

How to remove the fork off this Peugeot Nouveau

I have this Peugeot Nouveau fold up bicycle that I'm trying to restore, but I can't manage to remove the forks from the frame. I've removed the handle bars and the stem(?) as well as the pieces that ...
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1answer
70 views

Is my fork suitable for my wheel

I bought this front wheel https://www.probikeshop.fr/roue-avant-mavic-aksium-ust-disc-a-pneus-center-lock-2-aa9/154559.html and this surly fork https://www.bike-components.de/fr/Surly/Fourche-Rigide-...
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1answer
35 views

does anyone know any forks i can fit on my specialized pitch XC bike [closed]

so I'm looking to get a new for fork for my Specialised pitch, and it's a quick release wheel so need quick release forks, does anyone know any forks?
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1answer
61 views

Original fork 1'', new fork 1 1/8''

I put a picture of my original frame. The internal diameter of the straight cylinder is 31mm. In this frame was installed an original fork of diameter 1''. I would like to buy this fork : https://www....
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1answer
83 views

Broken fork bearing crown race stays

this is my diy electric bike, but in the latest headset servicing (I had to change the seal of the top bearing), I noticed that I've a broken part on the top of the "bearing crown race stays"...
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1answer
127 views

Need help trying to find a solution to these vertical, linear scratches on my Rockshox stanchions

I'm unsure whether these scratches are completely normal wear for my 3 year old never-been-serviced Rockshox Recon TK Silver 29 because they don't feel rough to the touch, and the fork has been ...
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1answer
127 views

Is this the correct orientation of this type of negative plate?

The photos below are of an air spring from an '07 Fox 32 Alps Series fork. Likely an OE model, 100mm travel, and is an RL. I'm getting confused on the orientation of this type of negative plate. These ...
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0answers
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Can Someone Help Me ID This Marzocchi Fork?

I know it’s a Marzocchi, maybe a Dirt Jumper 3? but I’m trying to ID it so I can do a service and also would like to know the proper air pressure, which I can’t figure out without knowing what model ...
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3answers
111 views

What are the benefits of oversize lower headset bearings?

Long time ago, bicycles had threaded 1 inch headsets and fork steerer tubes were always made of steel. Then, approximately the same time, 1+1/8 inch headsets, threadless headsets and steerer tubes ...
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116 views

The outside diameter of the brake rotor rubs against the caliper

I have upgraded my bike with a new front suspension fork. Bought and fitted an adaptor from Shimano as the fork is laid out for 160mm (Postmount 6) and my disc front wheel brake rotor is 180mm. ...
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1answer
323 views

How often should air spring forks be reinflated (topped up)?

Forks that use an air spring, as opposed to a coil spring, have to be pumped up to the desired pressure to work as intended (using a shock pump). From experience, I know that they lose pressure over ...
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1answer
62 views

Should I wipe my suspension fork stanchions with a wet or dry cloth after rides?

Just wondering if I should use a wet or dry cloth to wipe my fork stanchions after each ride.
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3answers
142 views

Should an integrated crown race of an carbon fork be greased before assembly?

I'm assembling a 3T Exploro Team 2020. It seems like the fork has an integrated crown race. Should it be greased before assembly and pre-loading?
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2answers
300 views

Fork seized to frame: can I just hammer it down now?

I need to service a headset of bike as it was initially not even turning without applying strength. And even then it would make an awful noise. I suspect a lot of rust in there. I have removed the ...
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280 views

What happens if you neglect front suspension maintanance?

My bike has front suspension, which I have never done any maintenance to, and I don't plan to do so in the future either. I've owned it for 10 years now, and it's kinda stiff by now, but other than ...
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3answers
313 views

Changing from rigid to suspension fork

https://whitebikes.com/ax-290-ff-20/b/2461/ This is my bike and I'm planning to use suspension fork on it, I've converted it to ebike. My budget is approximately 100€/120 dollars. Do you have any ...
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195 views

Uneven oil on stanchions - brand new bike?

I recently got myself a new bike with a RockShox Judy Silver fork and all has been good so far, however I noticed after the first ride that quite a bit of oil ended up on the stanchions, which I ...
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1answer
130 views

How to Remove This Fork?

I'm restoring another old bike of mine (20 y.o). Want to repaint the bike, but I need to remove all the parts. Trying to remove the old rusty fork but have no idea how to do it. I tried to remove the ...
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3answers
134 views

Very short travel minimalist suspension fork for rails-to-trails riding

I would like to convert a MTB frame to an XC bike for riding on former railroad tracks that have been converted to trails that present a mix of surfaces: fine gravel, dirt road with crushed stone, ...
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94 views

Carbon fork crack?

I have aluminum bike with carbon fork, this is in the front of the carbon fork, it is in both sides of it? It's a carbon crack or paint crack?
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2answers
99 views

What is this fox fork front axle part called and where can I find a replacement?

I've got a fox 36 talas RC2 from year 2006 and it's missing one of those black threaded inserts that pinches the front axle : the part is M5 threaded, and approx. 28mm x 8.05mm How is this called and ...
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2answers
208 views

Little play in the front suspension fork (RockShox Judy T2 long travel 98'(?))

I've just restored my 98' Kona Caldera, but I left the fork like it was since it seemed to work smoothly enough. Considering I would like to not mess with a fork (like everybody), even if I've done ...
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2answers
247 views

Is it possible to fit a 26" fork to a 29er bike frame

I want to buy a cheap frame and put parts from my old 26" (wheel and fork) and 15" (frame). Is this possible.
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1k views

How does fork offset affect bike handling?

Some forks come in a variety of different fork offsets for the same model. How does replacing the fork designed for the bike with: A fork with smaller offset, everything else the same A fork with ...
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2answers
356 views

Titanium fork vs suspension on gravel bikes

I am contemplating buying a gravel bike and wonder whether a titanium bike with titanium fork is/can be "better" than a carbon bike with a suspension component. I don't intend to ride ...
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1answer
285 views

How can I install a 1 1/8“ to 1 3/8” Synapse fork onto a 44 mm headtube?

I know you get headset questions all the time, hopefully this one mixes things up a bit. I recently acquired a 2015 litespeed CX frame, which has a 44 mm head tube. It is listed as having a height of ...
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1answer
155 views

Suspension not compressing on Rockrider ST520

I have an almost brand new decathlon rockrider st520 (bought it 3 weeks ago) and noticed if I preload the bike the suspensions just don't compress. They will compress only if you hit the front brake ...
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3answers
2k views

Does this carbon fork have a crack in it that would make you replace it?

Hello, I dropped the bike from standing and also had a front end collision later. The damage is from dropping the bike from standing because I can see the crack in a much older photo from after the ...
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2answers
153 views

Effects of rust on steel frame strength

I have some rust on my front forks. This question tells me how to deal with it, but I'd like to know whether it will be impacting the structural integrity of the forks. I'm planning on going touring (...
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1answer
106 views

Can I use an expanding plug rather than a star fangled nut in a steel steerer?

I've got a Genesis Equilibrium 725 steel frame and fork that came with an unbranded (but said to be Prestine) headset and Genesis-branded top cap and star fangled nut. The headset and nut aren't ...
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1answer
118 views

Aluminum fork: paint defect or sign of strained?

I know there's a lot of question regarding paint defect or crack. But I need your opinion about this. Recently, I bought new bike but discounted and it's the last piece of it. On the back of the ...
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1answer
70 views

Rebound doesn't work

I have recently had a really hard landing and bottomed out my fork, this time it was different though, when I went back to do the jump again I noticed that when I changed the rebound setting it wouldn'...
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4answers
636 views

How can I remove very stuck headset spacers (alu/carbon)

Working on a bike that has had significant indoor turbo usage, (i.e. a lot of sweat has run down the headset) and corrosion has bonded the aluminium spacers to the carbon steerer. The steering is ...
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3answers
886 views

When basic maintenance for basic Suntour XCM/ XCC fork is needed?

When basic maintenance for very basic Suntour XCM/ XCC fork is needed? Is it needed just in case if something wrong or once a year or after some amount of km? By maintenance, I mean something like ...
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2answers
149 views

Can't remove fork from head tube!

I want to clean my headset/head tube. I removed the top cap, the stem, the (only) spacer, and a conical thingie from the steerer. Still, the fork (a RockShox Recon SL circa 2009) won't come out! ...
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1answer
406 views

Suspension locks out in cold temperatures

I looked around a little, but I couldn't find the answer to my question on this site. I have a Raleigh Tekoa 1, which is an entry level XC hardtail with an SR Suntour XCM30 fork. Recently I've noticed ...
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1answer
105 views

DNM USD-6 fork service intervals and procedures

What are the good service intervals for the DNM USD-6 fork? How to understand that it should be maintained first? What are the recommended procedures for this?
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1answer
54 views

Front Fork Won't Stay Centered

I got hit by a car and it damaged the front wheel and fork. I took my bike (canyon inflite AL) into a store and they ordered a replacement fork and wheel. The problem is they had to replace one of the ...
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1answer
44 views

Fork travel for 16“ frame size, 26” wheel hardtail

I would like to ask question if my frame and setup are OK for me. I am 5'6.5" (169 cm) tall and I am using a Merida HFS 1000, frame size 16". Please tell me what fork travel should I set up ...
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2answers
557 views

Canyon Grail headset play

I got new Grail CF SL 8 and my headache started when I realized I cannot make headset play stop. After tightening all the screws to exact values I can still produce play on my steering wheel. ...
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1answer
104 views

Straight 1⅛" steering tube is not actually straight?

I have a bike (~2016 year of manufacturing) with a fork which has what is called a straight 1⅛" steering tube, used with threadless headsets. I have always thought that, compared to tapered 1⅛ – ...
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4answers
184 views

New suspension fork - how much should I care for locking on the handlebar?

I'm putting together a bike that will allow me to go to work. I work in a warehouse outside of the city I live in, and I want to avoid roads trucks take because I haven't ride a bike for about ten ...
3
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1answer
216 views

Carbon steerer tube scratch (inside the tube) - how bad is it?

Today I looked into my steerer tube and saw this: Since Im new to carbon frame, I cannot decide if this is a serious problem which has to be fixed asap, or just a minor scratch on the surface. It ...
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1answer
93 views

Too much movement in the stem

Basically what is going on with my bike is that I tried to fix a creaking problem in the area where the stem and the bike frame meet. I took apart the front of the bike and some of the headset pieces ...
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2answers
189 views

Rounded out top cap bolt

I've rounded out my top cap bolt by using a bad allen key. I've tried most solutions to removing stripped bolts but none of these have solved this issue. If I use a large adjustable wrench and place ...
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2answers
70 views

Rockshox Pike Scratch

I have a rockshox pike with scratches on the fork stanchion. I would like to know if there was anything I can do without buying a new one. Any suggestions would be greatly appreciated! Here is a ...
2
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1answer
45 views

Where does the third bearing go in my Dyno moto 7 cruiser headset?

I have a "Dyno Moto7" cruiser made in 1997. I removed the forks to paint the frame and there were 3 bearings that came out when the forks were removed. No one can figure out how the third ...
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1answer
102 views

Upgrading front suspension for an entry level MTB

I recently bought a used hardtail MTB (my first bike ever) with Shimano's Acera groupset, double-wall wheels, but the front SR Ssuntour suspension has only 30 mm travel, which isn't enough for riding ...

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