Tagged Questions

Mountain bike (MTB) can mean almost any kind of off-road bicycle. Wide knobby tires, flat handlebars, maybe shocks, probably a sturdy frame...

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4
votes
2answers
3k views

How does a chainstay length affect a mountain bike performance? (wrt: 26", 650B, 29r)

The trade offs for 26" through to 29" with respect to rolling resistance, contact patch, obstacle rollover, etc... have been well discussed. However, it occurs to me that as the rear wheel gets larger ...
10
votes
4answers
4k 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.
3
votes
4answers
2k views

Tri-bars/Aerobars on Mountain Bikes

I am trying to work on endurance in the hopes of one day touring the GDMBR in a reasonable amount of time and after watching Ride the Divide, I noticed a lot of the riders are using aerobars. When I ...
-1
votes
2answers
535 views

What is the right (best) bike for me? [closed]

RE: Disabled Vet, out of condition and trying to buy a bike I started biking back in 1985 and have been out of biking almost 20 years. I was fairly savvy on the equipment of the day. It's changed ...
5
votes
1answer
577 views

What is the significance of rear travel of a frame?

Every suspension frame has the the following two parameters: shock travel and rear axle travel at maximum shock compression. I have a lot of questions, regarding those two: What are they properly ...
13
votes
3answers
6k views

do I need to change my disc if the brake pads got oil on them

In trying to change the brake pads on my mountain bike, I managed to get oil on my new pads and empty out all the brake fluid, and consequently also get some oil on the disc. I took the bike to the ...
-1
votes
1answer
311 views

Upgrades/Repairs Mongoose XR-150 [closed]

First time posting here for bikes. I have an old wally world free xr-150. It was my favorite bike as a kid when it was all about fun. It's been sitting around for many years. No real rust or tarnish. ...
28
votes
2answers
24k views

What's the difference between All-Mountain, Cross Country, Freeride, Downhill bikes?

I'm somewhat new to the world of mountain bikes and I'm seeing various terms to describe different bikes. What is the difference between all-mountain, cross country, freeride, and downhill? Are they ...
12
votes
5answers
1k 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. ...
6
votes
2answers
559 views

How much time takes for hydraulic disk brakes to cool down?

Yesterday I was on a DH track for the first time. I have Avid Elixir 7 brakes with 203" rotor in front and 180" rear. The descent took about 5 minutes, and the ropeway up about 15 minutes. After 6 ...
8
votes
4answers
3k views

Skate shoes vs mtb shoes?

It's an old argue on forums, still cant get it. What is the (real, that worth the money and time for ordering from abroad, in my case) difference, let's say between Five Ten FreeRider shoes and some ...
3
votes
2answers
279 views

Is it possible to drop a foot in corners while using clipless pedals?

My friends convinced me to try clipless pedals, that I never trusted too much (BMX background). Now while I'm getting used to them and experience very funny falls, I try to figure out, can a ...
0
votes
1answer
123 views

Where did a '95-'96 Sycamore mtb fit in the Mongoose product range?

From what I've managed to piece together trawling the internets, this period was before quality dropped for Mongoose, but that Sycamores were low- to mid-range models. I'm considering how much time ...
5
votes
4answers
1k views

How to shoulder a bike?

In a previous question it was explained to me that no cables pass under the top tube of my Specialized Hardrock, so that the bike is easy to shoulder. Well, it isn't. The top tube is quite thin ...
2
votes
2answers
640 views

Advice/Tips for first time racers

I have entered a 30km mtb race that will take place in a couple of weeks time. I don't know much about the route and won't be able to get on it beforehand as it goes through private farms that will ...
5
votes
2answers
411 views

MTB tires: why the extended thread on the edges?

I have tires similar to this one: My point is that the tire is quite "flat", with large knobs on the edges, unlike most MTB tires, which are round. The tires feel quite unstable on any hard surface ...
1
vote
1answer
152 views

No more chainguide from Sram?

I remember I saw somewhere new Sram system that does not require chainguide. Don't remember the model, but could you please tell me more about it? How does it work?
5
votes
3answers
697 views

Why are people with full suspension bikes concerned about 'Stiffness' added by thru axles?

Why are people with full suspension bikes with several inches of travel be concerned about 'Stiffness' when discussing the advantages of thru axles. I would think this is more of a concern for rigid ...
1
vote
2answers
669 views

How to choose grips for trail riding AND commuting?

I use my mountain bike for trail riding (a few hours on weekends) and for commuting (20-50 minutes each day), on paved or dirt roads (I have 2 different routes). I would like to replace the grips on ...
3
votes
3answers
162 views

Converting Mountain Bike for Road to complete in 33 mile mini triathalon

I have a very good mountain bike and like to ride trails. I recently signed up for a mini triathalon that requires a 33 mile road ride. I don't want to buy a new bike, so I was thinking about buying ...
9
votes
3answers
3k views

What is the benefit of a larger disc rotor?

What real benefit does having a larger rotor give to braking performance? Additionally is my assumption correct that you callipers don't actually change in size, just the rotor and the adapter need ...
1
vote
2answers
954 views

Mountain bike crankset chainring compatibility

I have a Shimano Deore LX crankset. I would like to replace the outer chainring. What manufacturer chainrings are compatible with my crankset ? My outer chainring takes all of the abuse, due to ...
3
votes
1answer
105 views

How to find a durable lock mount?

I've had one Kryptonite D-lock for the last two years, and it's worked great. I typically don't ride with a pack, so I've used lock mounts (this kind) to keep it secured to the upright on my bike. ...
6
votes
1answer
352 views

Is there a significant difference between the new all-mountain/trail and classic cross country helmets?

There is a new niche of "all mountain" helmets, like Fox Flux, POC Trabec, 661 Recon etc. They feature closed, rounded backward design, and claim to protect the brainstem better. I ride all-mountain ...
14
votes
2answers
899 views

Do helmets really lose their quality with time even if kept in package?

A friend of mine, who works as a sales manager in a good bike shop advised me to never buy a helmet that is older than couple of years, and the best thing to do is to buy the current model line, when ...
1
vote
1answer
498 views

Is there any replacement for the chainrings of a Shimano STX crankset?

I have a Shimano STX Crankset (probably FC-MC series or similar, around 2001) with worn out chainrings (5 Arms). Is there any contemporary replacement opportunity for either the chainrings or the ...
1
vote
1answer
277 views

FC-M330 replacement

I have a Trek 4500 with a Shimano FC-M330 crankset. I need to replace the crankset and was hoping that someone could tell me the current replacement. I believe that I have narrowed it down to the ...
3
votes
2answers
1k views

upsweep and backsweep for mtb handlebars

Characteristics of the following bars for MTB are: • 780mm wide • 30mm rise • 5˚ up-sweep • 7˚ back-sweep I know what effects do the width and rise have on the feel and riding. But what about ...
5
votes
1answer
2k 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 ...
3
votes
1answer
542 views

Bike type suggestion for packed limestone trails

Sorry, for the beginner question. Where I live (Ontario, Canada), I am lucky enough to have a number of packed limestone trails (former railways). Those are fairly flat and great for bicycling. They ...
3
votes
2answers
2k views

Can a 10-speed mountain bike chain be used on a 10-speed road bike?

I would like to use a Shimano Deore XT Chain CN-HG94 on my road bike. Are there any differences between roadbike chains versus mountain bike chains that prohibit this? Sample Road Bike Chains: Dura ...
1
vote
2answers
1k views

Minimum mountain groupset hard enough to resist abuse

I'm looking to upgrade my mountain bike and I would like to get something better than I have, if justified. I've never ridden any groupset better than alivio/deore, which work ok for me and have ...
3
votes
1answer
328 views

Does riding with suspension locked do any harm long term

I bought a Trek 4300 MTB a few months back as my main intent was to ride off-road on local dis-used railway paths. I've since moved house and my main use of the bike is now for my commute to work. ...
3
votes
5answers
1k views

Are single-speed bikes better equipped to handle cog/chain wear?

I need to decide between a single-speed and multiple-speed bike. I usually ride multiple-speed mountain/city bikes in the highest gear anyway (around town). They're not intended for that, and doing ...
3
votes
2answers
3k views

How do I align my front brake disk with the caliper?

I have manual Avid disc brakes. I took my front wheel off like I've done hundreds of times. When I put it back on the wheel is aligned properly with my fork, but the disc presses against one of the ...
-1
votes
2answers
236 views

Looking for the right bike

I have been needing a new bike and I need some help with what kind of bike I should purchase. I plan on riding on mainly paved side walks but when traffic is bad I need it to endure riding over curbs ...
3
votes
1answer
369 views

Is my disc brake caliper correctly mounted on the frame?

I have been in the process of upgrading my bike a bit. A friend of mine convinced me to upgrade my brakes from my stock Shimanos to some disc brakes. After having a look around and asking question, I ...
1
vote
1answer
361 views

Why are 3 inches mountain bike handlebar hard to find? [closed]

I'm looking for a new handlebar, ideally 3 inches. But looking in some of the online shops it seems quite hard to get 31.8mm bar clamp diameter handlebar with 3" rise. Do you know if there is any ...
8
votes
5answers
2k views

Recovering confidence after a fall

One month has passed since I fell on a mountain bike trip. The accident wasn't critical, it just left a huge scratch. The accident happened during a fast descent when my front tire hit a little crack. ...
2
votes
2answers
937 views

Can I damage a tubeless rim using a wire bead tire on it?

This question is very similar to Can I use a standard tyre on a tubeless rim? but while the answers there set out that it's possible I'd like to understand the risks of doing it. I recently saw a ...
5
votes
3answers
969 views

How to cut carbon handlebars

Last year, I installed carbon bars on one of my mountain bikes and I'm finding them too wide. I've been told that taping over the points you're going to cut at will prevent fraying/roughness, but what ...
4
votes
1answer
582 views

What to do about a stuck chain link on 10 speed chain

I put a new chain on my bike and after 3 rides or so, I developed a stiff link. I'm not sure what caused the issue, but now it barely bends at the pin at all, unless forced. It causes skipping ...
0
votes
2answers
1k views

Chainline Alignment Front and Rear

Although I have read Sheldon Brown's All About Bicycle Chainline article I'm still struggling to understand a key point. If you are running a different chainline to the manufacturers (new crankset) ...
4
votes
3answers
4k 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 ...
6
votes
4answers
2k views

How to care for a steel frame?

I'm considering getting a steel frame to upgrade from my aluminum xc bike. As it will be my first steel frame I'd like to understand if there is more after ride care required than my current bike. ...
1
vote
3answers
2k views

Should i get a hydraulic or spring type rear shock on my full suspension mountain bike?

I have not bought one yet, and i am very new to the sport. The type of riding I will be doing is dirt jumps(rather large ones), and rugged trail riding. I used a BMX for these things previously, which ...
1
vote
3answers
2k views

How much smaller frame is ok?

I'm looking to buy my first MTB and I had an online calculator tell me to get a 17.5". My measurements are height: 177cm and leg 76cm. Thing is, I found a bike that I REALLY want, but it's the last ...
3
votes
2answers
2k views

What is a better gearing combination for downhill?

One of the tracks I've been riding recently is testing both my skill level and my bike. The track is a combination steepness and roughness that makes it significantly different to what I've previously ...
5
votes
2answers
1k views

How do I determine current value of a used bicycle?

I'm looking at purchasing a 2012 Trek Cobia from a private seller. The bike was about $1,200 new. The bike appears to be in almost new condition and contains all original equipment. The seller wants ...
0
votes
1answer
99 views

How to separate ODI grips from lock on clips?

Are there any tricks to separating ODI grips from lock on clips. I'm worried that if I go at them with a screwdriver I'll end up damaging the clips.