Questions tagged [suspension]
The specialized system(s) of a bicycle that insulate a rider from rough terrain.
307
questions
4
votes
1
answer
338
views
Seat post suspension
I've been taking my son for a ride every weekend and there are a couple of sections where we get off the road and into a nature strip, you could call it light gravel although as we get close to the ...
- 20.5k
1
vote
1
answer
147
views
How is the suspension frequency response effected by the wheel diameter?
Imagine riding off a curb, crossing a pothole, or hitting a pebble. Would you prefer to ride that with a toy bike or a penny-farthing? Regardless of preference, the penny-farthing would have a ...
CommunityBot
- 1
1
vote
3
answers
2k
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, ...
13
votes
2
answers
2k
views
Why does RockShox say you shouldn't use a bolt on axle on their fork?
I bought a RockShox suspension fork for a trekking bike I'm building. My plan was to use a wheel with a Shimano XT Shimano DH-3N72 hub dynamo I have from before on it. The hub has a normal bolt on (...
- 1,624
5
votes
1
answer
423
views
How much front travel is efficient?
I'm shopping for a new bike and having trouble deciding between a trail bike and XC, and how much travel to look for in a fork.
I definitely want a hardtail with lockout, no skinny tires, great uphill ...
- 129k
33
votes
11
answers
54k
views
Front suspension or full suspension mountain bike
I'm considering buying a mountain bike and have narrowed it down to two models (make and model aren't important for this question). One model is a full suspension bike (front and back), the other is ...
- 1,363
0
votes
1
answer
877
views
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?
- 1
5
votes
2
answers
8k
views
Pre-load of suspension forks on one side only
I have a question about suspension forks that have a pre-load knob only on one side.
I believe having it on one side only is not uncommon, and the other side is often equipped with a lock-out knob.
...
- 16.9k
0
votes
2
answers
61
views
new rockshox boxxer select rc from 2023 YT Tues core 2 has oil on right stanchion after first DH ride and being stored upside down for a week
As title states I purchased a 2023 YT tues core 2 last autumn. Took it for a couple of easy flat rides just to make sure it was feeling good. Everything seemed fine. Took it to the park last week and ...
- 11.1k
4
votes
1
answer
233
views
Giant Crest fork NEGATIVE pressure
my child runs a Giant Crest 34 RCL, that is newish (couple months old,) and has been fine for the past few weeks that they have ridden. They run about 60PSI, and testing the rebound makes no ...
- 11.1k
15
votes
5
answers
6k
views
Why aren’t Cannondale head shocks used anymore?
Cannondale used to make these shocks for mountain bikes and they were pretty common when I rode as a kid. It seems like they have completely phased them out of production. What caused this? Is there ...
6
votes
1
answer
204
views
Why are MTB suspension shock curves s-shaped
Why are the suspension curves s-shaped, rather than just increasing?
I understand that air spring curves will steepen a lot when the residual air volume reduces (curves should have a singularity ...
4
votes
2
answers
1k
views
How bad is topping out a suspension fork?
I recently got a relatively cheap department store bike to bring to college, since it will see a lot of wear and will be kept in the elements. However, whenever I lift the front wheel (as in to get on ...
- 1,118
19
votes
6
answers
23k
views
What are the pros and cons of front and rear suspension?
I'm buying a bike for delivery in the suburbs, I need to go over grass/dirt/sidewalks, and sometimes drop down over the kerb back onto the road, and it will be sunny most of the time but I also need ...
- 7,984
5
votes
4
answers
1k
views
Front Fork Or Seat Post Suspension
I live in an area with brick roads. This means it's really bumpy and sometimes with small potholes that hurt when I dip into them. I'm looking to buy a new ebike but I can't afford anything expensive. ...
- 795
3
votes
0
answers
69
views
Are there compatibility restrictions about remotes for dropper posts and suspension locks?
I consider adding an handle bar remote for a bike with a front-suspension fork. Given the bike has already a dropper post, I was thinking to add a dual "dropper/suspension" remote.
I noticed ...
- 22.7k
2
votes
1
answer
262
views
Industry standard weight limit for suspension forks and carbon fiber forks?
I followed the advice of people on this forum and upgraded to wider tires on my hybrid instead of buying a suspension fork. Thank you everyone that was a big help. I went from 32mm to 47mm on front ...
- 3,751
4
votes
2
answers
1k
views
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 ...
- 1
10
votes
4
answers
39k
views
Is it possible/sensible to add a suspension fork to an old mountain bike?
I have a ~1993 Giant mountain bike. It's not great, but I am a very new and casual rider.
The bike has a solid fork and it makes for the predictable rough trail ride. The trails are generally ...
- 1,363
6
votes
2
answers
2k
views
Dynamic stability of a tricycle
I'm currently designing the "electric bike of my dream" (please do not laugh! it's for fun, nothing serious), and I came up after some though with a tricycle, where 2 rear wheels are supporting the ...
1
vote
1
answer
71
views
Can I add a front shock or suspension to my Retrospec e-bike?
Is there a way to add a front shock/suspension to my Retrospec Valen Rev bike?
- 6,477
3
votes
3
answers
2k
views
Changing from rigid to suspension fork
I have a White AX 290 FF 20 that I have converted to an e-bike.
I'm also planning to add a suspension fork to it. My budget is approximately 100€/120 dollars. Do you have any recommendations for the ...
- 1,363
0
votes
1
answer
109
views
Hybrid bike. ride with front suspension always locked: effects on fork durability
I am considering acquiring a hybrid bike with a front suspension, since it is the closest to what I want that I can find. But I do not want a front suspension, so I would always ride with it locked ...
10
votes
6
answers
3k
views
heavy and want to ride again
I bought a street hybrid 2010 Giant Seek 0 a decade ago. It has maybe 30 miles on it. The bike has a 700c 25mm tires and solid Aluxx frame.
I want to ride again but I'm 300 lbs. (136 kg) I'm ...
- 6,477
2
votes
1
answer
140
views
Does this poor damping in the forks indicate a fault?
I recently bought an entry level mountain bike, a Cannondale Trail 7, to use as a town bike. My town doesn't have too many mountains, but it does have a lot of badly rutted roads and I wanted ...
- 11.1k
1
vote
0
answers
335
views
Stiff, hard to use poplock, rockshox recon silver
My bike is equipped with front suspension Rockshox Recon Silver with PopLock remote lock. The use of that control is VERY stiff and HARD to lock (very easy to unlock though). Every time I need to ...
- 129k
0
votes
1
answer
127
views
Can I fit a damper to sr Suntour spring forks?
I bought a GT avalanche 3 second hand with seized forks. When I stripped them down to clean, there is a coil spring in one side only and no damper fitted.
Can I buy a sr Suntour damper and fit that to ...
- 6,477
3
votes
2
answers
6k
views
Spring side fork grease
First post here and also first time servicing my forks, which are 2006 Marzocchi Dirt Jam Pro.
I was wondering if anyone knows what kind of grease i should be using for the spring in the left leg. ...
- 1
1
vote
2
answers
344
views
Purpose of fittings at the bottom of suspension fork?
I have a question about the suspension fork on my mountain bike.
There is a hex socket at the bottom of the right fork leg.
There is a normal bolt head at the bottom of the left fork leg.
Are these ...
- 741
1
vote
1
answer
85
views
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 ...
- 11.1k
1
vote
1
answer
183
views
How to get these lower legs off?
Hi I have a fork from a carrera crossfire 2000, the sticker says mg suntour cr 920. I want to full service and overhaul this fork because the suspension is totally stuck and not working!
There are no ...
- 18.8k
4
votes
1
answer
5k
views
How to adjust RST fork travel?
Today I own a RST Champ fork with 100mm of travel.
After doing some research I found that there are 3 travel options 80mm, 100mm and 120mm.
I also find out that the adjustment is done by adding or ...
7
votes
3
answers
875
views
Purpose of some "mounting points" on a suspension fork? (left rear side, 2 eyelets)
I recently bought a bike equipped with a Fox 34 AWL suspension fork (pictured below).
As it is shown on the picture, the left leg has 5 mounting points: the 3 lower ones are clearly identified: ...
- 52.3k
0
votes
1
answer
187
views
Fox DHX2 servicing, Need advice on oil
looks like DHX2 2021 runs with 4wt oil. If I top it up with 5wt? How silly it would be? Need it done asap so just looking for shortcuts...
Thanks in advance
- 6,202
4
votes
2
answers
2k
views
How can I mount a 25.4 mm seat-post on a frame that needs a 27.2 mm seat-post
My bike has no rear suspension. So I thought of putting a suspension seat-post on it. Unfortunately the only suspension post available in my city is a 25.4 mm one. I have added some scrap metal to fix ...
1
vote
1
answer
121
views
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/...
- 52.3k
36
votes
4
answers
263k
views
What is the "preload" setting on the front fork suspension?
I've made a photo of the actual "thing" as I find it very difficult to explain otherwise:
I'm wondering what this "thing" sets and how it actually works. So, what is "preload" and what happens when I ...
- 71
2
votes
3
answers
257
views
Fox 34 dust wiper replacement suspension grease or not?
I am working on replacing the dust wipers and foam rings. I’m following this procedure: https://www.ridefox.com/fox17/help.php?m=bike&id=622
My first question is: do I want to use some suspension ...
- 11.1k
2
votes
1
answer
753
views
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 ...
- 52.3k
4
votes
1
answer
157
views
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:...
- 4,159
2
votes
1
answer
643
views
How to service a RST Sofi Fork?
My wife's bike has a fork by RST, Sofi.
Definitely a budget fork, however is working quite well for the occasional use.
I saw that the the seals rings are quite damaged, and I was looking to ...
- 87k
1
vote
1
answer
269
views
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 ...
CommunityBot
- 1
1
vote
1
answer
152
views
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 ...
- 52.3k
2
votes
1
answer
373
views
What's a good starting setup for Formula Selva R forks?
Formula's Selva R forks have the following settings:
Silver (positive) air pressure
Bronze (negative) air pressure
Rebound damping (21 clicks)
Compression damping (12 clicks)
Number of "neopos&...
- 6,202
2
votes
1
answer
610
views
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 ...
- 87k
9
votes
0
answers
211
views
Longitudinal play in the lower of the front suspension
I noticed recently some play in the lowers of the front suspension of my fun bike (NEX 25). The way to notice it was the following:
locking the suspension
blocking the front wheel with the brake
...
- 22.7k
2
votes
2
answers
548
views
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 ...
- 11.1k
4
votes
1
answer
278
views
DIY cargo bikes and recumbent bikes seem to use rod end bearings with an axial load. Is that ok?
I have been looking into possibly building my own cargo bike (inspired by the xyz cargo bike). That said, I am interested in possibly modifying the design - including how the steerable wheels are ...
- 52.3k
2
votes
1
answer
446
views
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 ...
- 1
4
votes
2
answers
9k
views
Why doesn't my suspension fork rebound after being compressed?
I use a RockShox SID suspension. After using it for a while I noticed the suspension has not been rising back out on its own. I have to lift the front fork of the bike for the suspension to go back to ...
