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31 votes

Why is the steering so twitchy? Steel 90's MTB fork

Short answer - your fork is stuffed. Stop riding it. Longer answer - Here's your bike with the main lines drawn on top And compare that with this approximate equivalent Peugeot bike. Spot the ...
Criggie's user avatar
  • 124k
19 votes

Is it safe to have pedal cage reaching wheel when slightly turned?

Even if the cage weren't there, your foot would still be there. This foot overlap is annoying, but not very harmful. It only happens at very low velocities and during sharp turns and therefore you can ...
Vladimir F Героям слава's user avatar
9 votes

Is it safe to have pedal cage reaching wheel when slightly turned?

It's a subjective question that each rider has to answer themselves. You get to decide how safe it is. It is not unequivocally safe, but many riders ride bikes with this much toe overlap or worse. The ...
Nathan Knutson's user avatar
7 votes

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

What you have there is a ball joint (sometimes called a tie rod end) on a push rod (or track or tie rod) for indirect steering. I'm astonished it could pop out that easily - Normally they're very ...
Criggie's user avatar
  • 124k
6 votes
Accepted

Canyon Grail headset play

Just tightening the screws will not resolve the issue. There is a precise but quite simple procedure to follow. You can find a number of very good explanatory videos on the internet. GCN has a recent ...
Carel's user avatar
  • 8,289
6 votes

Loose bolt on stem, replace?

Having just one bolt to bear the load isn't enough. The main good option would be to replace the stem. It's chunky so helicoiling would likely also be fine if you found a shop to do it cheaply enough.
Nathan Knutson's user avatar
6 votes
Accepted

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

It's possible but hard to put it back together: Use lots of force and push the sleeve straight onto the ball. Put it on loosely. Add some lubricant if necessary. Some is probably already there. If ...
Nobody's user avatar
  • 1,780
5 votes

Handle bars don’t return

Your steering geometry has obviously been messed up by the installation of the new fork. I'm guessing the new fork is longer than the old fork. An old RockShox suspension fork would have very little ...
Argenti Apparatus's user avatar
4 votes

Steering tube turning inside fork crown

There are some MTB forks that have replaceable steerers that are attached via binder bolts. Here's a Marzocchi and an RST one, respectively: If your fork is like this you may be able to get it fixed ...
Nathan Knutson's user avatar
3 votes

Improving turning radius on an under-seat steering recumbent?

For a start, I would suggest you loosen the indicated pinch bolts, and push the bars forward a little, and rotate them outboard a little. This is an adjustment, not altering the curve in the metal... ...
Criggie's user avatar
  • 124k
3 votes

Cargo bike with steering linkage

What you are thinking of goes by several names: Front-loader Long john Bakfiets There are a variety of manufacturers of these style bikes available in the USA. Some of the big names are imported ...
whatsisname's user avatar
  • 12.1k
3 votes

Schwinn Meridian Adult Tricycle not easy to turn left. Turning right is fine

Some trikes drive only one rear wheel, so that when you're turning with that wheel on the inside, it will handle differently than when you're turning with that wheel on the outside. So that might ...
Adam Rice's user avatar
  • 30k
3 votes

What fault in the steering mechanism can risk causing the rider to fly over the bars when braking?

On suspension forks, there could be a small play between the lower part to the fork (the bottles) and the upper tubes that slide in (the stanchions). That is due to the tolerances in the bushings that ...
Jahaziel's user avatar
  • 12.5k
3 votes

What fault in the steering mechanism can risk causing the rider to fly over the bars when braking?

As per comments, it sounds like your bike has front suspension forks. When doing a hard/panic brake, the front wheel will slow faster, and the suspension will compress ("load up") and ...
Criggie's user avatar
  • 124k
3 votes

How does front projection affect stability?

Jones refers to the horizontal distance between the front wheel axle and the steering axis as front projection. Front projection is the product of the fork offset (the displacement between the axle ...
Pisco's user avatar
  • 773
3 votes

Is it safe to have pedal cage reaching wheel when slightly turned?

Do you really need or use the cages? What is your intended use for the bike? It is generally advised to pedal positioning the ball of the foot (the widest part of the foot) directly over the pedal ...
Jahaziel's user avatar
  • 12.5k
3 votes

Is it safe to have pedal cage reaching wheel when slightly turned?

I purchased an undersized frame when I was in college (it was all they had that was close to the right size for me in my price range and that wouldn't take months to import) and fitted it with a stem &...
FreeMan's user avatar
  • 1,571
3 votes

Why does my bicycle steer funny and feel unstable when I have a heavy load in my Bob Yak trailer?

I suspect Chris H is on the right track with his weight distribution question. You may have too little weight on the front wheel. An easy way to test too little weight on the front wheel is by ...
David D's user avatar
  • 21.4k
2 votes

Steering torque

So you're after a measurement for the amount of force required to turn the handlebars? Googling's likely to give tightening values for bolts and fasteners. Inputs that will affect your values: ...
Criggie's user avatar
  • 124k
2 votes

Why do my handle bars wobble from side to side?

I had the same thing on my 20in viking ebike. Mine was down to the folding tensioner on the handle bar release handle.I tightened that and it sorted out the problem.
Alan Walsh's user avatar
2 votes

Canyon Grail headset play

If your headset continues to loosen up, make sure the steerer tube is 100% completely grease-free where the stembolts clamp onto it. Rubbing alcohol is good for this
Had The Same Problem's user avatar
2 votes
Accepted

Is this an integrated crown race?

Probably not, and it doesn't look like it. Integrated crown races on road bikes are usually found on all-carbon forks and they were also nascent then if they existed at all. Also, the part indicated ...
Nathan Knutson's user avatar
2 votes

Schwinn Meridian Adult Tricycle not easy to turn left. Turning right is fine

As Adam Rice surmised, your tricycle is designed so that the chain only drives one of the rear wheels. Based on your description, it's probably the left that is being driven. During a tight right turn,...
Andrew's user avatar
  • 2,267
1 vote

Loose bolt on stem, replace?

I would replace the stem using a 2nd hand part from your favourite online marketplace, as it will likely be the cheapest option unless you have access to either a tap and die set a collection of ...
el_oso's user avatar
  • 734
1 vote

Loose bolt on stem, replace?

In the bike hacker fix category: You might be able to use your existing stem by drilling out the hole with the stripped threads (leaving the good bolt alone) Using a longer bolt with a nut on the ...
David D's user avatar
  • 21.4k
1 vote

Are there folding bikes with safer - locked steering?

While I believe that your concerns about quick release locking mechanisms on folding bikes are unfounded, there is still an option if you absolutely won't use them. Many models of Brompton folding ...
Carbon side up's user avatar

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