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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How to adjust fork and crown race?
When I removed the fork from my Marin Four Corners 2018 I discovered the headset is not as specified. Among other problem, the crown race is some noname piece not fitting any bearing (not the one ...
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Bicycle fork fatigue test duration
For a bending fatigue test for a bicycle fork, according to ISO 4210-1, The number of cycles should be 120,000 for stage one of the bending fatigue test and 100,000 cycles for stage 2 of the test.
How ...
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Magnitude of load and cycles needed during testing of bike forks
I want to do a structural test on bicycle forks. Is there any specific criteria I need to follow of what should be the magnitude of the significant load and also how many cycles would need to be ...
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How to remove the lock lever on a 2020 Suntour NEX suspension fork?
The locking on that fork is no longer working in that in locked position, the fork is as unstiff as when not.
On other models, I've been able to remove that blue lever and tighten things underneath ...
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I'm having trouble replacing my MTB fork
A few weeks ago I decided to upgrade the fork on my mountain bike. Because it was the same model of fork a presumed i could use the same headset that I had on for the original fork. But when i put the ...
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What is this tiny part for on the RST 790 fork?
The following picture shows an RST 790 fork from 2010. Anyone knows what the tiny part pointed by the red arrow is for? This part is also present on the RST 777 fork.
From another angle and zoomed in:...
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Are there gadgets that will protect a fork sitting on the ground while the front wheel is removed?
I occasionally—for various reasons irrelevant to this question–take the front wheel off and rest the fork on the ground.
Doing this risks damaging the fork.
Bicycles are shipped with a plastic object ...
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What is safe head tube angle for straight fork?
By "straight fork" I mean the one with 1 1/8" head tube. The more slack head tube angle is the more stress on the fork. So what is the safe angle when you can still use straight and not ...
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Standard distance/height of mid-eyelet on fork?
Is there any standard (regarding height/distance) for middle eyelet on fork? Take a look at this example (taken from https://www.cyclingabout.com/all-about-front-racks-bicycle-touring/):
Obviously if ...
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Is it normal for the hex bolts underneath my mtb forks to be uneven?
So I've been having issues with my 2020 GT Aggressor since day 1. My forks feel very unstable at any adjustment. Upon inspection I noticed that the hex bolts underneath the forks (the ones that hold ...
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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 ...
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How to remove this Suntour Q-Loc thru axle front wheel? It does not go downwards when axis is removed
I need to remove the wheel to replace the tire. I was surprised that there are no dropouts, so I cannot just pull the wheel out as I did for my rear wheel. The lever can be released, the axis can be ...
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Lots of cracks - safe to ride?
I probably shouldn't have, but I just bought this 2016 CAAD 8 second hand for cheap. I'm trying to work out if it's safe to ride.
There are cracks all over the carbon fork (and in the rest of the ...
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Determining the rear fork spacing of Giant Escape 2 2013
As a follow up of the answers given to my question at Rear Wheel Cassette Hub and Speed Set Compatibility Question ,I was trying to determine the rear end fork spacing of my bike which is a Giant ...
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Easily misaligned handlebars when using stem raiser
I use a Delta Stem Raiser (maybe also called a stem extender, handlebar riser, steerer tube extender) to make my handlebars "taller" (higher up than they could typically go) on my bike's ...
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How do I remove the star nut from a fork?
My old fork didn't have enough eyelets, so I bought a new one. Installation has gone well, except that I need to put the cap on the new one. The cap is held on by a bolt, which threads into a metal ...
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Which side up do caged bearings go in?
Replacing fork on bike but messed up and didn't keep all the pieces in order as I took the old fork off. Which direction do the caged bearings go? What side of bearings face the cup and which side to ...
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Looking for front fork without "lawyer lips"
I have a front hub motor on a bike with lawyer lip forks ...It has been a challenge to get the motor to clamp to the dropout .. I had to grind some of the lawyer lip off to use washers big enough to ...
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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?
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My shock fork became really soft after forcing it - What could be wrong?
My fork shock was really stiff and not moving at all. I tried to move it hard and it lost all resistance and stiffness. Now it is really loose and not showing any resistance. What happened?
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Can I use this fork if the steerer isn't quite the right height?
I have this threaded fork that only reaches the top of the head tube.
I can fit the first part of the headset (see photo) but no other nuts (?).
Can I use it like this ?
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What is the minimum end-cap diameter that a 12 mm fork should accommodate?
I have a fork with a 12 mm axle. As it happens, the flat part inside the dropout that buts up against the hub end-cap is large enough to accommodate a hub designed for a 15 mm axle (using a reducing ...
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Which bicycle brand has the best (frame + fork) warranty?
Which bicycle brand has the best (frame + fork) warranty ?
I prefer the lifetime warranty (LFW). But a TRUE lifetime warranty (not for first owner only).
(For example TREK and Specialized has an LFW ...
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Replaced fat tire fork and bike wont stay straight
I got an fat tire ebike. My non shock front fork bent on it so i replaced it with a fork that had shocks on it. Installed it all good and even ordered a new top cap (fork needed the top cap installed ...
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Why did curved forks disappear?
Forks on historical bikes are often curved forward in a smooth curve, sometimes called a "French bend". This is sometimes claimed to add a small amount of compliance and comfort. It ...
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Is the offset of a suspension fork determined by the lowers, uppers, or both?
I'm investigating the possibility of going from a 51mm offset fork to a 42mm one, and in order to save on shipping cost (hopefully I'd find someone to trade with on the used market), I thought of ...
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I have a 20 in frame that I can not complete bc I have no cups for my forks. It's a Threadless frame and I don't know what brand cups to buy frame
What kind of cups do I need to buy and can I get a fork and cup set for this bike I have pictures of the frame I am trying to send
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How to Choose Headset Bearings - Transition from Straight Steerer to Tapered Steerer
I am upgrading the forks on my wife's Cannondale Althea 4 hybrid bike. The new forks have a tapered steerer instead of the straight one on the old Suntour forks, therefore I need to change the headset ...
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Can I put downhill fork on any 29" bike
My friend has an X-fact bike made for 29" wheels, so we were wondering if he could put a downhill fork on it or he would need to buy a new frame?
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Where is the Air Valve on a swiss made ark hollow reverse fork?
My fork is swiss made ark hollow reverse type, air type.
One problem it does not have an air valve for the air. Where is the valve ?
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Threaded top cap for SR Suntour model# Nex-4110v2
I have a 2012 Specialized Expedition Sport Low Entry. The threaded top cap on the suspension fork is missing. The fork is a SR Suntour model number NEX-4110v2. I contacted Suntour, they told me the ...
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Carrera impel im-1 Electric Hybrid Bike ridgid to suspension fork
Hi there I have the Carrera impel im-1 Electric Hybrid Bike this bike has been great so far but as far as living in a town not quite a city there are some bumps and curbs I would like to get over more ...
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Wheel not straight in dropouts - can this cause brake rub?
My front wheel is not straight in the fork dropouts. It's been like this since I've bought the bike second hand a few years ago. See pictures below.
I've tried installing an identically sized wheel ...
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Suspension bike
I recently bought a hyper plush 24 inch bike that says it has full suspension but only my rear suspension works I've seen other bikes for example an ozone 500 ultra shock it looks the same but mine is ...
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Generic "Lefty" single-sided fork and hub?
Is Cannondale's Lefty the only half/mono/single fork?
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Restoring motion to old front fork suspension?
I purchased an old used ebike recently and was initially excited that it had front suspension. On close inspection though I've discovered that the suspension appears to be broken. The sliders (bottom ...
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How to tell fork offset
I wish to upgrade the fork on this bike:
https://konaworld.com/archive/2016/platform_honzo.cfm
However I see fork offsets offered in 44mm and 51mm. I don't see any markings on the fork to indicate.
...
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How do I take off a bent suspension fork on an e-bike?
I was coming home from work one morning and hit a curb.
I tried to stop but ran into the curb full force and bent my suspension fork to where it is touching the frame.
I got a replacement fork for it ...
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Replacement damper for an old (2008) Rockshox Reba fork?
The damper for the fork on my 2008 Trek Elite 9.7 probably needs replacing but I have no idea how to do this given the fork is so old. The fork is RockShox Reba SL.
Where can I find a replacement ...
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Should amateurs install their own headsets?
Building a bike from scratch sounded like a fun challenge, but a frame builder firmly told me to get the headset installed professionally. Videos online make it look easy even if you don't have the ...
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Rockshox Yari fork stuck
I have an enduro bike with a Rockshox Yari fork (160 mm travel), and now it won't compress even 10% even with the air side fully open (so 0 PSI pressure there). It seems that something has gone very ...
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Adapter to use straight fork in tapered steerer semi-integrated?
A 1 1/8 straight fork tube going into a Trek Headset VP Zero Stack (Semi-Integrated) 1- 1/8+ Tapered to 1.5.
I think i need some kind of adapter for the lower 1.5 inch end... do they make these and if ...
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Is it possible to put a suspension fork instead of a rigid one on a gravel bike?
I've seen manufacturers a couple of times put suspension forks on gravel bikes instead of rigid carbon forks. Yes, this fork was not in the top price category from RochShox or Fox, but still, is it ...
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RockShox SID not compressing
I have a RockShox SID Race (not sure what year) that doesn't compress at all when I fully pump it with a floor pump, wondering if I have to take it apart and add oil or anything to make the fork ...
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Can I put a trail fork on a DH frame?
So I was looking at this frame: https://www.cyclingdeal.com.au/buy/gt-fury-alloy-2.0-mountain-bike-bicycle-cycling-fr/FR-GT-005-PP
And this fork: https://www.cyclingdeal.com.au/buy/manitou-markhor-mtb-...
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Can I put wider tires on my bike or does that depend on the size of the frame? [duplicate]
My 2005 Trek 4300 currently has 26x1.95 tires on it. I was wondering if I could put wider tires on my bike. I don't want to spend money on the tires if they're not going to fit on my bike. This might ...
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Possible damage in carbon fork of used road bike I'm about to buy
I'm about to buy this used Giant TCR (year?) road bike, but I noticed it has a raised mark on one side of the fork. The bike shop knows nothing about it and it seems structurally fine. May it look ...
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MTB Air Fork Settings
I have a rockshock air fork on my bike and it feels too firm. The compression is on the softest setting I believe so opposite to the lock symbol (see photo) so I think this means that it will compress ...
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Why do coil suspension forks have coils placed inside the stanchions, when the rear shocks place it exernally?
If you look at a rear shock which uses a metal coil, you'll always see a large visible coil sitting outside of the shock:
However, front suspension forks that use coil are visibly almost ...
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How to straighten wheels on unbalanced forks dropout with quick release?
In mass consumer bicycles it is often the case that the forks dropouts are not perfectly aligned with each other; this results in the wheel not being aligned with respect the fork and being tilted to ...
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