Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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

1
vote
1answer
52 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
81 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
44 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
votes
3answers
91 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
votes
1answer
90 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
votes
1answer
73 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
votes
1answer
50 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
votes
2answers
47 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
votes
2answers
95 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
97 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 ...
1
vote
0answers
51 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
votes
1answer
42 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
vote
4answers
186 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
173 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 ...
0
votes
0answers
26 views

Fork type IS and PM? What does this mean? [duplicate]

I want to upgrade a break disc and need to buy an adapter for this. This was the first time as I've seen that there are special fork types ISand PM and that I need to by an adapter accodingly to it. ...
0
votes
0answers
66 views

Can I replace my fork with a longer one increasing the axle-crown length by 30mm?

Can I increase my axle to crown by 3cm? I am aware this is 1cm more than the recommended amount of change, however my frame is quite overbuilt and sturdy. I know that there are more threads about this ...
3
votes
2answers
72 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
votes
1answer
704 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
votes
1answer
86 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
votes
3answers
177 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. ...
7
votes
3answers
470 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
votes
1answer
96 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
118 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
votes
2answers
2k 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
161 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?)
4
votes
3answers
527 views

Bike handlebars loose with front wheel

If I put my leg on the side of the wheel and rotate my handlebars in the direction of my leg, the bars get out of sync with the front wheel as seen in the image below. This is a threadless headset. ...
4
votes
2answers
142 views

How to tell when to change steel front fork?

I am riding a Dawes made sometime before 1974 and have read in a Swedish report (http://vti.diva-portal.org/smash/get/diva2:694821/FULLTEXT01.pdf) that front fork failure is a not uncommon cause of ...
1
vote
0answers
62 views

RST Aerial fork service - can't unscrew the bottom bolt

I have a problem with the RST Aerial fork service. I try to unscrew the bottom bolt (on the mechanical lock-out system side), however, the bolt spins in both directions and it is not possible to ...
10
votes
1answer
2k views

Bike unstable (difficult to ride without hands on bars) after changing fork after collision

After a low speed collision with the front of a car in which a cars bumper met the side of my fork (i was in a track stand esque stance) my fork was bent slightly so I replaced it with a (inexpensive ...
0
votes
1answer
371 views

How do I adjust the Marzocchi Dirt Jumper 3 (mtb fork)?

The fork has no labels on the adjusters. I don't know what's what. I checked their website for manuals, and they always mention removable top caps. But as you can see in the photo that these are not ...
1
vote
1answer
58 views

Cinelli old-school road bicycle

I would like to change the front fork to my road bike, but since I do not know which specifications to follow, I prefer to ask you guys
0
votes
0answers
51 views

27.5 fork bars in 29 fork lower leg

I have a 27.5 fork Fox 32 Evolution 140mm and I want to know if is possible put that stanchions in a 29 fork Fox 32 lower legs with same damper, only swapping lower legs and convert to less travel, ...
3
votes
1answer
65 views

Correct spring for 2018 RockShox XC30

I just got a new Cannondale Trail a few weeks ago (March 2018) and it came with RockShox XC30 100mm travel 29" wheel front fork. I'm heavier than the average rider so I need the XFirm spring for it. ...
0
votes
2answers
138 views

Can't find information on Suntour XOR 100 fork

This Rockrider 540 MTB description says it has a Suntour XOR 100 fork. I am not able to find it on the Suntour website. Anyone knows what does XOR stands for?
1
vote
2answers
134 views

How to insert fork ring tightly?

I try to insert back the fork in my bicycle. When I was removing it, after unscrewing everything the fork didn't come off by itself, I had to pry and remove aluminium ring which was the last element ...
4
votes
1answer
54 views

What to consider when repainting fork from black to white [duplicate]

My beautiful road bike was in an accident which bent the fork. It gets replaced with a black fork which doesn't match the rest of the bike (creme colored). Now I want to attempt to repaint it. Is ...
2
votes
1answer
71 views

I need some advice about upgrading my fork

I'm relatively new to biking, and even newer to know about the details about the components of the bike itself. I have a 2016, 29" Totem bike, with a rear coil shock and a front coil suspension (a ...
4
votes
1answer
199 views

Fork bent on a flat pack bike - what to do?

I recently made a big mistake and bought a 27.5 Orkan 21 spd. MB. The box was beat up and the front forks where so bent and I couldn't put the front wheel on. Amazon gave me a full refund and didn't ...
3
votes
0answers
116 views

Measuring fork steerer diameter

I've acquired a Raleigh Suntour (circa 1990s) frame which I am re-fitting. I need to refit the headset and so I need to know the dimensions of the steerer column. The frame had an threaded stem. I've ...
4
votes
3answers
145 views

Aluminium rigid fork for winter

I'm looking for the bike for winter riding and found this one. It's all good, except for the fork: some people say that aluminum rigid forks can not absorb vibration and therefore are bad for the ...
1
vote
0answers
55 views

Is there any way i can add progressiveness to my suspension, even though it is not compatible with standard tokens?

Off the back of my last question, is there any way i could be able to add some progressiveness to my suspension, maybe i could retrofit tokens or something of the like. Thanks.
3
votes
1answer
1k views

Suspension fork top caps

I bought second-hand mountain type bike. Everything is fine, however, front suspension fork is missing top caps. As I currently don't posses the chance to visit bike repair shop (and have no other ...
1
vote
2answers
230 views

2014 RockShox Pike RC oil recommendation

I'm getting a lot of conflicting information regarding the volume of oil for the lowers on this 2014 RockShox Pike RC w/ charger damper. Can anyone confirm the correct quantity of 0W-30? Is there a ...
1
vote
2answers
76 views

I have a vintage Pinarello with a crooked fork

I have a vintage Pinarello road bike with a bent fork. Like if I am riding the bike and let go of the handle bars the front wheel turns to the right. Usually if you let go of the handle bars the ...
4
votes
2answers
1k views

What is the cause of my fork wobbling when applying the front brake?

When I apply the front brake of my bike it feels like the connection between the fork and the frame is loose and there is a one time movement. It happens every time I brake. The bike is new but it was ...
2
votes
2answers
76 views

Alternating two forks on a single bicycle — do I need two headsets?

I have a full rigid (fat) bicycle and I am playing with an idea to use a suspension fork sometimes. I want to keep the possibility to swap the old fork back when I do not need suspension but want to ...
0
votes
1answer
90 views

Upgrading suspension fork

I am currently thinking of upgrading my suspension for to something like a Rock Shox. This is the bike I have: https://www.cyclerepublic.com/catalog/product/view/id/4535/s/voodoo-bantu-650b-mens-...
2
votes
3answers
371 views

How do I know if a given hardtail mtb frame is 'supposed' to have suspension forks?

How do I know if a given hardtail MTB frame is supposed to have suspension forks? I read somewhere that if you want to convert a suspension bike to a rigid you need 'suspension corrected' forks which ...
1
vote
1answer
1k views

How to maintain Suntour XCR Air RL-R (remote lockout air/oil) front fork?

My bike is fairly new (1000 km) however I am worried about accumulation of dirt/scratches on the front fork. I've looked at Suntour foam rings however could not find anything. Is this because ...
2
votes
2answers
834 views

Front caliper rubbing spokes, should I dish the wheel outward?

I've a problem with my front wheel. I have a Velocity Aileron rim (584mm ERD), a Shutter Precision SL-9 dynamo hub(the flanges are not offseted like other disk hubs, but they have a smaller diameter ...