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

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14
votes
7answers
19k 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 ...
2
votes
2answers
318 views

Could rubber parts on bike rack damage the rear shock?

I have Specialized Stumpjumper Evo FSR and as all the FSR frames its' shock is underneath the top tube. Now the issue that the only option to put the bike on the rack is to put the shock shaft on the ...
0
votes
2answers
6k views

Leaking oil from front suspension

I have bought a used Trek 4300 bike and after a few days I noticed leaking oil from front suspension fork. Oil leaks only from one leg (opposite to disk-brakes). I would like to know more about ...
0
votes
2answers
210 views

Fine tuning forks

I've been riding a new set of air forks on a hard tail for a couple of weeks and have decided they're a bit too hard without any preload (riding xc). They were pumped to roughly the setting for my ...
3
votes
2answers
4k 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
4answers
1k views

Frozen suspension in the winter

Winter is coming! Last season I put my road bike in the garage and just road my mountain bike all winter. Something strange happened: My suspension fork froze. When spring came everything ...
2
votes
2answers
110 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.
10
votes
4answers
12k views

What is the purpose of suspension lockout?

I'm trying to decide which 29'er 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
1
vote
1answer
157 views

Should I upgrade forks for a 50km race?

I've entered into a 50km xc race in 3 months time. I'm new to mtb and riding a 2010 Hardrock Disc that I originally bought for commuting. So far I haven't done any upgrades save getting a set of SPDs. ...
8
votes
2answers
642 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 ...
-3
votes
2answers
450 views

Optimal full-suspension design for mountain bikes? [closed]

What is the best up to now high end all-mountain full suspension design? By "best" I mean a design that balances pedaling efficiency, strength/durability, and (lateral) stiffness and weight as best as ...
1
vote
3answers
311 views

What's the beefiest front shock (26"), avail in quick release, with travel of 100-125mm (no more)?

Details: I mostly enjoy XC and all mountain riding. However, I also from time to time, will go out with friends on some much more intense downhill trails. I'm also about 240 pounds, give or take. ...
2
votes
1answer
201 views

2009 Boxxer Team Dual Crown - Are springs different from 2010 + models?

I have a 2009 boxxer team fork on my bike. I'd like to buy the firmer spring as I am heavier than the last owner. Can I put the spring from a 2010/2011/2012 boxxer in there or was there something ...
2
votes
1answer
385 views

Suspension Fork Axles

I'm looking to upgrade my suspension forks from Rock Shox Dart 3 to something like Rock Shox Sektor RL. A lot of the forks have either a 15 or 20 mm axle, or 'Maxle'. What does this mean? Will this ...
0
votes
1answer
294 views

Front suspension fork woes

I recently bought a preowned Saracen Havoc 2000 (Team Saracen edition) and had to replace the original forks (Zokes branded double crown) as they were seized solid. Replaced them with an old but ...
7
votes
2answers
10k 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 ...
0
votes
2answers
271 views

RS Revelation '11 dual air fork leaks

I have a RS Revelation dual air fork. It's new, never used before. I installed it and after a few days I noticed, that it loses air. Maybe 20-30 psi over night. So at morning it's just too soft and ...
2
votes
1answer
2k views

Why is the swingarm design uncommon / rare on full suspension bicycles?

While watching a snow biking video, I saw that some of the bikes use a true swingarm design, which matches most motorcycles (as does much of bicycle technology). While this looks rather interesting, ...
5
votes
4answers
3k 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 ...
9
votes
1answer
1k 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 ...
0
votes
2answers
2k views

Good resources to learn about forks

Quick question. I have a lower quality mountain bike with a bad suspension fork. Overall the bike isn't bad. It fits me well and I have a lot of fun on it. I would like splurge on a new mountain bike ...
7
votes
2answers
6k 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 ...
2
votes
2answers
792 views

Suspension pressure

I am 6'2" 185-195 (depending on time of season) and ride a full suspension cannondale scalpel and was wondering how many psi should I have front and back shocks for trail riding? No big drops or jumps ...
1
vote
1answer
699 views

Avalanche upgrade cartridge for Boxxer, or tune existing?

I've got a stock Boxxer RC 2011 on my bike, and I'm not overly impressed with it's damping. On fast small bumps it tends pack down, and on big hits it bottoms out. As it's only got overall external ...
1
vote
2answers
2k views

Is there a sign that a fork needs hydraulic/lubricating oil changed?

What are the signs that a fork needs an oil change? I'm asking this because lately my RS Revelation (1yo) seems stiff. I checked the sag and found I should increase it... so I did, but it's still ...
3
votes
1answer
576 views

Is my Fox RP23 Rear Shock blown?

I let all the air out of a used Fox RP23 shock (which I haven't ridden yet) to remove it from a frame, and a small amount of oil sprayed out along with the air. Is this normal or is my shock in need ...
1
vote
2answers
4k 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 ...
3
votes
1answer
312 views

Proper fork length for a bike with 5.5 inches of rear shock

I purchased an older Santa Cruz Blur frame today. From what I can gather the shock mounted on the frame gives 5.5" of travel. I'm looking to buy a fork to match. Do I need to go with a 140mm fork, ...
13
votes
3answers
2k 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 ...
5
votes
2answers
3k 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 ...
2
votes
1answer
211 views

Why would semi-solid fork make whizzing sound?

Alert the semi-solid fork is probably not the right terminology, it shows that I don't know 100% whether the work has some sort of inner suspension. My bike is almost this one but I feel there is ...