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6
votes
3answers
208 views

Which components affects downhill speed? [on hold]

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 ...
4
votes
4answers
242 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
79 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 ...
5
votes
2answers
150 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
879 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
47 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 ...
3
votes
2answers
354 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
60 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 ...
3
votes
3answers
357 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
39 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
296 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 ...
6
votes
2answers
4k 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?
3
votes
2answers
2k 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 ...
1
vote
0answers
66 views

Which mountain bike resort has more built up trails for Enduro and DH: Morillon or Alpe D'Huez? [closed]

Looking for one that has a higher level of trail maintenance and conditions. I am familiar with Whistler, BC. Whistler bike park is a World Class terrain park, where employees place tons of time and ...
7
votes
3answers
225 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 ...
0
votes
1answer
184 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
354 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 ...
8
votes
8answers
8k 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 ...
0
votes
1answer
56 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 ...
5
votes
2answers
821 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
172 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?
1
vote
1answer
900 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
824 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
852 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 ...
6
votes
6answers
2k 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
985 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 ...