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Questions tagged [downhill]

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1
vote
1answer
72 views

Putting a DH fork on an enduro bike: consequences?

I am into downhill (DH) but I don't live 1) in a country with a lot of DH parks with lifting services etc 2) near such parks. Still I like riding rough stuff (in forests or in town) so that I would ...
2
votes
2answers
105 views

Does using a DH fork reduced to 150mm (6") make sense on an ebike?

I recently found out that you can apparently reduce the travel of 8" DH forks such as Fox 40 to 6". This raises the question: would it make sense to do this for ebikes? I like dual-crown forks because ...
9
votes
4answers
542 views

How to decelerate during long downhill rides and avoid brake glazing

I mostly ride touristic style, and its not uncommon descents of few hundred meters or even 1000 meters (vertically, usually average gradient is around 5-10%). What's the best technique to brake to ...
2
votes
1answer
42 views

Modifications and changes to 2011 Specialized BigHit, anyone done these?

I am looking to go from 36 tooth front ring to 32 or smaller.., possibly 30. The 2011 BigHit comes with 36 tooth front ring and medium cage rear derailleur stock. Has anyone made this change? Will a ...
0
votes
1answer
115 views

Has the Mongoose Black Diamond 2 Frame been released?

Does anyone here knows if Mongoose has already produced this frame and is out on the market? Or it was just in their drawing table and didn't produce it? Because i haven't seen this frame on their ...
4
votes
3answers
1k views

Buying a DH frame to build an Enduro?

First of all, I haven't set my budget yet but I want to build a full suspension MTB in the near future. I was thinking if it is a good idea to build an Enduro bike with a DH frame. I mean I know the ...
2
votes
0answers
84 views

Nasty noise from chain device

Hi I've purchased and fitted a superstar components plasma chain device in my specialized big hit. It makes a terrible noise and I really don't see why. As far as I can see I've set it up correctly ...
1
vote
1answer
465 views

Minimum brake rotor sizes

Might be bit of a silly question really as there are many different calipers designed specifically around rotor size like the old hope IS mount calipers but here goes. Specifically for long travel ...
2
votes
0answers
71 views

Is the FOx TALAS 32 RLC suitable for reasonable jumps, ligh DH?

Here is the details of the suspension: FOx TALAS 32 RLC At the end it sais, that INTENDED USE is XC, AM. Not exactly sure what AM means, I have a few light enduro trails nearby, and the biggest jump ...
0
votes
1answer
394 views

Can i Ride my giant talon 3 downhill

I have bought a giant talon 3 recently. I was wondering if it could possibly be used for the occasional trip to one of my local downhill tracks. I'm just getting started in downhill and so i really ...
4
votes
4answers
396 views

Maximum Descending Speed

This is a hypothetical question but I'm curious. Assuming an endless, freshly paved road with no turns, what would be my maximum speed? EDIT My question is too general so to help I'm adding some ...
1
vote
1answer
162 views

Need to know what type of bike frame this is

Bought this frame a couple years ago as project to build. Want to start getting it built but can't find any of the info I got with frame when I purchased it.
3
votes
1answer
186 views

Is there water in my forks?

Hi I bought a used downhill bike with a 2009 Marzoochi 66RCV fork. I hear a gushing sound whenever I compress the forks. At first I thought it was oil but am just wondering and don't want to ruin ...
4
votes
1answer
518 views

Best posture to ride a road-bike down hill?

I know it's been "answered" here, but I am still not satisfied. In my view, you either have to decide whether you feather the brakes (go down hill at pace) or let go of the brakes (go down hill at ...
12
votes
1answer
426 views

How to talk to authorities to convince them to bicycle initiatives?

Since at least 1998 in unkempt, secluded place in Warsaw, PL, there was an unofficial downhill track. Between the bushes some youngsters constructen on their own ramps etc. Between september/october ...
8
votes
4answers
1k views

Is there a limit to safe downhill speed on a bike

I have a very steep hill on my route which levels out after about 2 km. The first quarter is extremely steep and shortly after I enter it the bike skips around a little bit and by the time I'm at the ...
10
votes
8answers
4k views

How to brake without falling during wet weather?

A couple of days ago I fell off my bike. I was on a wet, steep downhill, asphalted road with a lot of curves. I didn't expect neither the weather, nor the 15+ km downhill route. I was always reducing ...
9
votes
5answers
3k views

How does weight influence your speed when descending?

I have recently bought a road bike and went on a little trip with a friend who is also a novice. We have approximately the same height but he weighs a lot more (I weigh 67-68kg for 1m81 and he weighs ...
2
votes
2answers
184 views

What are the considerations before buying a Full Suspension bike (India)?

I am planning on buying a new Full-Suspension Bike withing few months specially to use in hilly terrain. So far I've been to few hills around my home town, they are roughly 100-400 meters high. What ...
0
votes
1answer
247 views

When in a UCI race, does the helmet have to be to be fitted properly

I noticed that Nibali's helmet was very loose when he went down during one of the last stretches of the 2016 Giro d'Italia. A helmet is almost useless if it's not properly fastened. I understand that ...
2
votes
3answers
1k views

Tall rider - good cockpit/body position for downhill

I have been riding mountain bikes since a long time, and I am riding only downhill/bikeparks since 2009. I've had several bikes, but I've never been in a real comfortable position when riding (or if I ...
3
votes
1answer
759 views

Why do many full face bicycle helmets not conform to the ASTM F1952 standard?

It seems to me that a lot of full face bicycle helmets do not conform to the requirements of the ASTM F1952 standard for downhill bicycle helmets. Some noteable examples from the best selling list of ...
6
votes
3answers
417 views

Which components affects downhill speed? [closed]

So my riding buddy can never keep up with me downhill. I'm slightly heavier than him (5-10lbs). I have an older non aero bike. He has a newer aero bike. His is probably a few lbs lighter than mine. ...
4
votes
4answers
420 views

Should I go clipless? [duplicate]

My bike is a Giant Reign, and I ride in the UK. I like going to local gravity parks and trail centres and my local tracks are mainly downhill orientated but I also like to get out on longer rides. I'm ...
-1
votes
2answers
109 views

Need to practice quick braking - any hills nearby?

So, in order to keep my rims cool enough to use while riding down hill, i've been practicing quick braking for the last 3 or so weeks, and have become confident in my ability to control my bike while ...
6
votes
3answers
283 views

How can I gauge what angle I can safely ride at on a downhill curve?

On a Strava segment featuring a 80-100m-long, 40-50m radius curve going downhill on a paved road at about 8-10%, I make generous use of my brakes out of fear of wiping out on my 23mm, fairly slick ...
5
votes
2answers
4k views

How do I prevent my chain from dropping down while going downhill on bumpy surfaces?

I have a Merida Duke 650 hardtail mountain bike. The issue with my bike is the chain continuously keeps coming out of gear while I am going down hill on bumpy surfaces. Is this happening because my ...
2
votes
0answers
74 views

Downhill bike build [closed]

What frame should I choose for free-ride / downhill between Kona Stinky and Specialised Big Hit? I am a hobbyist downhill-er / free rider with average height 1.68 meters and 67 kg. I am asking your ...
8
votes
6answers
2k views

Safety comparison, downhill mountain bike vs. downhill ski

My twelve-year-old recently tried downhill mountain biking when we were in Lake Placid. He found it thrilling and would like to continue with this new sport now that we are back home. I am hesitant ...
0
votes
1answer
76 views

Stressed spoke on downhill turns

I am on a road bike and when I descend quickly going downhill and lean severely into tight turns I almost feel a ringing crunchiness type feeling and it seems like one spoke is receiving more stress ...
0
votes
1answer
76 views

Giant Glory size

Hi my friend found an Giant Glory 2 2013 large for a good price. He is 180cm tall and the recommendation for the bike is 185cm+ so my question is will he be able to ride it or will it be too big?
0
votes
2answers
1k views

Is the bike i'm using right for Mountain Biking?

Im not exactly down with the terms used in MTB, I have recently bought a new bike. It was within my price range and its great for riding on the road and forest trails. Its a "Carrera Hellcat II ...
7
votes
3answers
251 views

Why is this guy blocking the rear wheel?

In this video the guy has clearly blocked his rear brake, as we can see the rear wheel is not rolling, but sliding. In this particular context, what has been his intent? Could have he done it for ...
3
votes
3answers
1k views

How to board a ski chairlift that is not intended for bicycles?

As the end of the ski season is approaching, I am thinking about visiting our ski resort by bicycle. I would like to do it at the end of the season to avoid the inconvenience of the crowd, and ...
0
votes
1answer
262 views

Overmountain bike to downhill bike

I have a overmountain bike (Cannondale Trigger Lefty 27.5) with 140mm travel but I was wondering whether I can make a downhill bike out of it because I really want to ride downhill. The shock I have ...
3
votes
3answers
897 views

Adjustment to road bike brakes for high grade downhill

I have a road bike with a front brake that wears a lot of brake pad when I ride downhill every day. I lose 900ft in elevation on steep grades with lots of stop signs and traffic lights. On top of that,...
8
votes
2answers
12k views

What are typical max speeds for pro downhill races?

Looking videos like Red Bull Rampage or Mega Avalanche make me wonder about the speeds attained by those pro bikers. How fast they go in straight line sections?
0
votes
1answer
66 views

How to start a grassroots DH race?

I'd like to start a DH race at my local ski hill (which has a few DH trails) and I'd like to know how to setup the following: Registration Practice/Qualis/Race runs Timing/Results I realize this is ...
3
votes
2answers
4k views

how many spacers do I need for a 83mm bottom bracket and a 142x10 hub?

I have a Zee crankset on a 83mm bottom bracket (downhill bike). The Shimano manual says to use two 2.5mm spacers on the drive side, and one 2.5mm spacer on the non-drive side. However, this presumes ...
6
votes
2answers
2k views

How does a neck brace work?

I've done a bit of research but can't seem to find much information on how neck braces actually work to protect the neck. There are many views on whether they are actually effective in reducing ...
0
votes
0answers
241 views

Difference between Mavic Deemax Ultimate 2011 and latest version

Have an offer to get Mavic Deemax Ultimates from 2011 for my downhill bike. They cost half as much as the current model. Can anyone tell me what the changes are compared to the current models?
11
votes
8answers
22k views

Will increased weight make me go downhill faster?

I have had this question for a while. I want to know how I can get down a hill as fast as I can. So, I was wondering if increasing the weight of a bike increases the speed on downhill stretches, or ...
1
vote
1answer
1k views

Is a cannondale scalpel 3 full suspension capable of trail/ downhill? (100mm Suspension)

I have found myself to be more of a trail rider than an XC rider and would like to get into downhill. I have a cannondale scalpel 3 and I was wondering if I can make this bike work. Possibly buying ...
1
vote
1answer
2k views

Picking a crankset for a 107mm BB on a downhill bike

I bought a downhill frame (Commencal DH Supreme 2012) that I want to build up with parts myself. Now I'm trying to pick a suitable crankset for the 107mm bottom bracket. Having a hard time finding ...
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 ...
4
votes
2answers
2k views

Does ProPedal on FOX RP2 rear shock wear out when on during downhill?

Yesterday I forgot to turn off ProPadal before quite nasty downhill ride on my Fox RP2 rear shock (riding Giant Reign 2011) - I can imagine this makes no real harm to the shock but think there can be ...
7
votes
6answers
3k views

What's the purpose of soft pedaling?

Is there any advantage to soft pedaling over coasting? Does it provide any power to moving forward? Is there any aid it gives to your leg muscles recovering?
5
votes
3answers
2k views

Saddle height vs absorbing drop impacts

Let's assume the following saddle heights: ultra low (bmx, DJ) low (slopestyle) medium high ultra high (XC) In videos on the internet we sometimes see pro DH riders riding with a medium to high ...