Questions tagged [suspension]

The specialized system(s) of a bicycle that insulate a rider from rough terrain.

Filter by
Sorted by
Tagged with
35
votes
7answers
111k views

Pros and cons of single-sided forks (Cannondale Lefty)?

Looks like they save some weight, but how do they have a better strength/weight ratio than a traditional two legged fork? With the single-legged fork the fork and axle must resist huge bending all ...
29
votes
11answers
50k 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 ...
25
votes
3answers
157k 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 ...
21
votes
5answers
19k views

Is front-suspension a false-economy for cheaper bikes?

I'm a 30 year old male looking to purchase my first non-department store bike. I haven't biked in more than a couple years. My use-case is 90% asphalt (inner-city, occasional low-speed highway) and ~...
18
votes
5answers
9k 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 ...
17
votes
6answers
96k views

What is the purpose of suspension lockout?

I'm trying to decide which 29er bike I want to purchase and one of them has lockout. I know what lockout does but I'm not sure what it is used for and if I will need it. Thanks Update: We're good ...
17
votes
3answers
6k views

Why don't most MTBs have rear shocks?

This keeps me wondering. I normally see front and rear shocks on downhill bikes, but when it comes to touring, road, or mountain bikes, almost every one has only the front shock. What is the reason ...
15
votes
1answer
774 views

Why do modern mountain bike forks no longer use boots on fork stanchions?

Why do modern mountain bike forks no longer use boots on fork stanchions? Older mountain bikes used to have them on the forks, and lefty and headshocks still do. Why have these fallen out of fashion ...
13
votes
6answers
6k views

Am I going to get injured mountain biking if I don't have rear suspension?

On the several occasions I've gone mountain biking, I was using a nice borrowed bike with full suspension and it felt nice. I'm told that rear suspension, though nice, is not necessarily a must-have. ...
13
votes
4answers
20k views

What are the disadvantages of more suspension travel?

Having some suspension travel is always nice, but what disadvantages are there for the bikes handling as the travel increases? This question applies to both to full and front suspension bikes.
12
votes
6answers
6k views

Why do police bikes have suspension?

This may be a dumb question but why would police bikes have suspension? They mostly all seem to have suspension on the front forks. They're not going to be jumping off rocks or anything, are they, ...
12
votes
5answers
67k views

Is it worth getting a suspension seat post as a cheap alternative to full suspension bike?

I'm planning a ride from Birmingham to London on the Grand Union Canal (UK), which will be quite bumpy for most of the 145 mile distance. I have a front suspension bike and can't afford a new full ...
11
votes
5answers
35k views

Is front suspension remote lockout worth it?

My old city bike is getting worn out and I'm considering getting a new and better bike. I will use it for my daily commute (paved road - very uneven in places) and the occasional trip outside the city ...
11
votes
3answers
24k views

Is it possible to service Specialized Brain suspension systems at home?

I like to do all my own work on my bike, and with other forks and shocks I've had, I've been able to find the necessary service manuals and specialty tools to overhaul the systems myself at the end of ...
11
votes
1answer
854 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 (...
10
votes
5answers
16k views

Are road-bike suspension forks still manufactured, if so, where?

For a few years, road bike suspension forks were used at Paris-Roubaix, but now they seem to have disappeared. Are they still being manufactured? If not, why (aside from UCI regulation) did they not ...
10
votes
1answer
29k views

What maintenance does a front suspension fork need?

I've just bought a used bike on eBay, its a 2002 Marin Bobcat Trail. It has 'In-Sync 266' suspension forks. This is my first suspension bike so I need some guidance in the use and maintenance of these ...
9
votes
4answers
26k 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 ...
9
votes
4answers
11k views

Do I need to take my weight off the bike to lock out the suspension?

I've recently bought myself a new mountain bike (my first since my schooldays...) and it has front suspension with a lock-out function. Suspension is new to me and I'm not sure how to use the lock-...
9
votes
3answers
9k views

Upside-down Fork vs Traditional Fork

What are the advantages of upside-down (USD) forks vs traditional forks? I have read they are 'better', 'stronger', etc., mostly in the context of motorcycles. Some high end downhill bikes use them ...
9
votes
1answer
6k views

How does Lockable Suspension work?

I recently asked a question about how to make a lockable suspension last longer. There zenbike told me about the “blow off” feature. Now, I am curious about how the whole system works. So, can ...
8
votes
5answers
805 views

Why have suspension stems disappeared?

I remember in the early 1990s contemplating getting a suspension stem for my 1989 non-suspended Rockhopper MTB. I'm surprised that suspension stems appear to have essentially disappeared. Why? They ...
8
votes
2answers
2k views

What are the main improvements in suspension technology in the last 10 years?

How much has bicycle suspension technology evolved in the last 10 years? I am thinking about both rear and front suspension. What have been the major breakthroughs that all bicycle manufacturers are ...
8
votes
5answers
8k views

What is the advantage of a reverse arch suspension fork?

There are a couple of suspension fork manufacturers that have adopted a fork design where the lowers have a reversed arch. I can't see that they claim any particular performance advantages for it, ...
8
votes
1answer
275 views

Extraterrestrial thing found in my suspension fork!

I have recently disassembled my suspension fork and found an extraterrestrial piece of rubber in the coil spring. After some highly accurate measuring it was safe to say that this rubber piece is ...
8
votes
2answers
3k views

What is the risk of bottoming out a fork?

What are the risks of allowing a fork to bottom out, could this cause damage to or worse a catastrophic failure of the fork? I'm wanting to increase my preset sag to around 30% and believe I should ...
7
votes
5answers
3k views

Frozen suspension in the winter

Winter is coming! Last season I put my road bike in the garage and just rode my mountain bike all winter. Something strange happened: my suspension fork froze. When spring came everything unfroze and ...
7
votes
4answers
8k views

Can you attach front panniers to shocks?

I'm going on a bike trip and need the extra storage supplied by front panniers. But my bike has front suspension. I can replace the fork with a solid one but that will increase my costs. Is it A) ...
7
votes
1answer
966 views

I have accidentally removed a front suspension fork - what now?

I have accidentally removed the suspension fork from my bicycle (Trek Remedy 8). I was trying to take off just the handlebar, but was distracted for a moment and unscrewed the wrong bolt. How safe ...
6
votes
3answers
3k views

Can I leave a suspension fork upside down?

I currently have my mountain bike disassembled, I broke a tire and needed some space in my room. The frame is resting upside down on the saddle and handlebar. The fork itself is a Rock Shox SID Dual ...
6
votes
4answers
6k views

Does seat post suspension reduce efficiency?

I have a hybrid bike with front and seat post suspension. It's easy to see how front suspension reduces pedaling efficiency by using some of the power for compressing the shocks, so I keep it locked ...
6
votes
2answers
6k views

Are there special concerns traveling by plane carrying Air shocks?

Are there any special concerns or precautions to take when traveling by plane with a bike that has air shock or air fork? Is it necesary to take the air out or is it safe to leave them as they are? ...
6
votes
2answers
2k views

Suspension setting for slippy and steep uphill

Normally one locks or sets both suspensions to a really hard setting to not loose to much force while going uphill. I'm however having problems on steep passages, as my front wheel lifts off the ...
5
votes
4answers
2k views

Suspension compromise for urban use

I ride an eBike in New York City. About 80% of the roads I ride are relatively smooth and 20% pretty bumpy. On my non suspension bike the 80% is great but the 20% is a bit painful. I understand ...
5
votes
4answers
36k views

Why isn't my suspension bouncy?

I recently bought a Carreras centos limited edition mountain bike. I want to find out how to make my suspension bouncier and I want to experience a MUCH more comfortable ride. I have tried fiddling ...
5
votes
4answers
2k views

Is it possible to convert a suspension fork to rigid by drilling it?

I have been given a Falcon MTB. I've sorted out all its troubles but the front suspension fork is worn. When using the front brake the slack in the tubes make them judder. Is there anyway I can "...
5
votes
6answers
19k views

Experiences of the Cannondale Headshok system?

Does anyone have any experience of the Cannondale Headshok suspension system, where the shock is in the head tube / above the fork? Are they reliable? I'm looking at a Cannondale Bad Boy 2 (2013) and ...
5
votes
4answers
677 views

Custom bike to offer smoothest possible ride on bad roads

So, I am in a peculiar situation - due to an injury, shaking in any direction leads to pain and my condition is improving very slowly. I'm looking to find/customize a bike so that it offers me the ...
5
votes
2answers
20k views

Installing a rigid fork on a commuter MTB

Motivation: This answer says that installing a rigid fork on a frame, designed for a suspension, changes the geometry. Most answers to my question about rusted-out suspension recommend installing ...
5
votes
2answers
169 views

Suspension Maintenance

How often do you need to have your fork and rear shock fully serviced? My guess is that this depends on how many miles you are riding, so lets say 150 miles/ year.
5
votes
2answers
2k views

Rock Shox Recon does not “completely” lock

I recently bought the 29er CUBE ACID 2017 equipped with a RockShox Rrecon front fork (Silver TK AIR PopLock 100mm). I have noticed that even when the suspension is locked, there is still a movement (...
5
votes
1answer
846 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 ...
5
votes
1answer
951 views

Is it OK to bunnyhop on a Kona/Fastrax AF2 while in Lockout Mode?

I recently got a Kona Tanuki 2012 bike that sports a Kona/Fastrax AF2 Rear Shock. Sometimes while on the road I miss bunnyhopping over things. Is it wise to lockout the Kona/Fastrax AF2 Rear Shock ...
5
votes
2answers
12k views

Will changing suspension fork travel change geometry of bike?

Assuming that the sag of the new 120mm fork will be set to the same as the old 100mm fork and headset spacers will remain constant, will the geometry of my bike change moving from a 100mm travel fork ...
5
votes
2answers
5k views

Fork lube. Should I use it? If so how often?

I ride a mountain bike with front suspension. I've recently seen fork lube for sale on an online retailer. This got me thinking. Do I need to be using fork lube? How does it help? If I bought some how ...
5
votes
4answers
6k views

Scratches on fork stanchions

On of my fork stanchions has scratches on the black coating. The scratch has sharp edges. The Fork is a RockShox Pike RCT3. I could try to fill the scratch with paint and polish or replace the crown ...
5
votes
1answer
315 views

What is the twin-link four bar suspension designs trying to solve?

In another answer on suspension spring load calculations, @Criggie provided some examples of different suspension designs, 1) the standard four-bar, and 2) the twin-link four-bar: Clearly there ...
5
votes
1answer
9k views

Upgrade/Replacement options for Cannondale Headshok DD50?

I have an older Cannondale that I love. It's an F600 comp (the special edition one in pumpkin orange), with a DD50 front shock. The problem is that the DD50 is WORN as all heck. Even when locked ...
5
votes
1answer
3k views

Suspension fork - Can you leave them locked for a long time?

My bike's two years old (about 1800km on it, almost all road and bridleway) and kept in a garage. Back in November or so I locked the front suspension fork for road-riding, and over the winter ...
4
votes
7answers
24k views

Why top touring bikes have no suspension forks?

I'm in the search for a new long distance touring bike, and I'm surprised that most top models have no front suspension (IDWorks, Tout Terrain, Koga, etc.). It looks like front suspension is a rarity ...