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 find replacement lockout cartridge for Marzocchi MZ Race 2006 fork?
I want to replace broken Suntour cartidge for my Marzocchi MZ Race 100mm 2006 fork.
It became very soft and lockout doesn't work. But there is no model or serial number marking on the cartridge itself....
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Aluminium fork dropouts hit floor - need to worry?
I had my bike in a bike stand without wheels, clamped by the seat tube. As I loosened the stand mount lock the bike slipped out of my hand and suddenly rotated forwards as most of the weight was in ...
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Stanchion material or coating on cheaper forks
I bought a secondhand kids bike (2019 Scott Scale disk) with a SR Suntour XCT-JR 24 Disc, 50mm travel, fork. There are some minor rust spots on the upper stanchions and thought about cleaning/...
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Can't fit fork with integrated crown race fully into frame
I got a replacement fork for my new road bike because it had a deep scratch in the steerer tube and the manufacturer adviced to exchange it. Today I got the replacement fork and just wanted to install ...
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What oil weight on spring side after Charger upgrade in boxxer R2C2 2011
Ive bought the charger damper upgrade for my boxxer 2011 R2C2.
Previously I would use 10ml 15WT oil on the damper side and 40ml 15WT on spring side (Boxxer 2011 R2C2 Service Manual).
In the charger ...
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Can i use an a-head with a slitted steerer tube?
I recently bought a used suspension fork, and only at home noticed that the steerer tube is slitted. It is straight, as i would expect for an a-head, and not threaded, But it has a slit much like the ...
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Problems installing new suspension fork
My new fork is considerably smaller where the crown race sits and does not sit in the bike frame snug.
If I cut and install all the way will it work?
My bike is a Carrera Sulcata 1 with a Suntour XCM ...
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Replacement for Suntour M2000 fork, 26" wheel
I have an old Apollo Paradox full suspension MTB dating from around 2011.
The existing fork is a Suntour M2000 with a 26 inch wheel.
I think the travel is 50mm/2 inch
Stock photo:
What would be a ...
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Should I do anything about this minor nick in a carbon fork?
Unfortunately I managed to smack a metal flashlight with quite sharp edges and a bit of movement force against my carbon fork when I wanted to check something on the bike. Although the damage is ...
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Front fork brake posts removal
I wonder if the v brake pivot posts can be removed from the front fork, even though the posts have no flat side to undo them with a spanner?
Can these be removed with a pair of pliers or a grip of ...
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Accomodating new wheel on old bicycle
I have a bicycle from the 1980s. Steel front fork. I am replacing the 27 1/4 wheels with 700cc. The new front wheel hub is 96mm wide between outer face of the bearing housings. The front fork has an ...
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Gap between fork and dropout
I’ve just bought a secondhand bike (with an ~80’s Dawes steel frame) and on checking it over I noticed there’s a gap on one side of the forks, where it meets the dropout. The top side and bottom of ...
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I've removed the steerer tube for the first time after 20,000 km, what maintenance does it need?
I have a 2010 Specialized Tricross Sport. I've just take the stem, top cap, and spacers off and removed the fork from my bike for the first time in the 12 years/ 20,000km I've owned it. It's never had ...
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Most likely reason for a stuck lockout
My old RST First Air 100 Lockout (year 2010) fork has had a stuck lockout for some time. This fork has never been serviced so it is probably just damaged beyond repaired, but I am just researching if ...
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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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