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10
votes
4answers
6k views

Why is BMX gearing so low

I was watching the BMX racing on the olympics and the gearing seems incredibly low. About half way down the start ramp they are already going too fast to keep pedalling and they barely seem to be able ...
5
votes
7answers
1k views

Armor and helmet for ultra-safe commuting (womens size)?

I'm about to start daily bike commuting again after a long hiatus and want to go all out on safety. My fear of an accident is extreme enough that I am looking into regularly wearing body armor and a ...
2
votes
1answer
3k views

How to determine size of freewheel?

My previous question was: How to take apart this rear BMX hub? How do I determine the size of my freewheel to replace it? I have seen on bicycle sites that a freewheel comes in sizes like 14t, 16t, ...
4
votes
2answers
5k views

How to take apart this rear BMX hub?

As shown in the photo, what tool do I need to take this rear hub apart? I assume I need a tool which will fit in the 4 notches. The problem I am trying to fix is that if you pedal, the rear cog spins ...
2
votes
4answers
4k views

Alternative Chain Grease/Lube

Can I use this general-purpose lithium grease on my chain until I can get some Finish Line lube? Thanks in advance.
1
vote
2answers
1k views

Accessory to raise handlebars (on a bmx)

I just bought a used bmx bike and after raising the seat to a level where it is semi-comfortable to pedal while on the seat, I now find that the handlebars are too low. Is there any sort of an after ...
9
votes
3answers
3k views

How does a bike absorb all the energy in landing from a big drop?

There are countless videos showing BMX/freeride/downhill etc. riders jumping and dropping from heights. For the unprofessional spectator, they seem impossible to survive. From the physical point of ...
2
votes
1answer
822 views

What should I look for in a mountain bike for doing BMX-style balancing tricks?

When I was a kid I started learning to ride around on my back wheel and it was really difficult. Then I tried doing it on a crappy CCM mountain bike we had (rather than my nice Gary Fisher Piranha) ...
6
votes
2answers
5k views

What's the performance difference between a front-load and top-load bike stem?

I recently bought a bmx and after doing a few tricks on it, the front-load stem became loose enough for the bars to slide forward (they rotated towards me about the point the bars were connecting at ...
12
votes
2answers
5k views

What is the name of the part, often seen on BMX bicycles, that allows an additional rider on the back the bike?

What is the name of the part, often seen on BMX bicycles, that allows an additional rider on the back the bike? It appears to be a set of relatively short but thick poles that go on either side of the ...
2
votes
2answers
888 views

What are some notable differences between a 20'' trial bike and a BMX bike?

I was wondering what are the differences between a small (20'") trial bike and a BMX? Were I to choose one to buy, what should I consider before I make my decision?
5
votes
3answers
1k views

What BMX bicycle to buy for both urban and rough riding?

This is slightly related to my previous topic about Danny MacAskill's bicycle, but not necessarily bound to it. I'd like to buy a BMX bicycle with the following requirements: I want to use it only ...
5
votes
3answers
10k views

What is the bicycle Danny MacAskill uses in his “Way Back Home” video?

I was wondering whether someone could help me identify what is the bicycle Danny MacAskill uses in his video. If it is unable to determine exactly what model he has, could you guys please tell me a ...
26
votes
2answers
8k views

Why does pedalling backwards not move my bike backwards?

On the BMX bike I have, pedaling backwards moves the chain but doesn't drive the wheels of the bike backwards like you would expect it to. Why is this?
0
votes
3answers
250 views

BMX racing with a full size MTB?

There is a local BMX track in a suburb of the town I live in. I had called there before asking about scheduling and rules and whatnot. I found out, that (at least on that track), they had a special ...
3
votes
2answers
990 views

BMX: Training routine for a beginner?

At the ripe old age of 20, I finally moved to an area with a BMX track, so this summer I'm finally going to be able to follow my life-long dream of racing. Other than spending a lot of time riding ...
2
votes
2answers
976 views

Which master links for 1/8 inch aka BMX chains?

It was very easy to find master links for 3/32inch (aka 9-speed chain) but I cannot find them for 1/8 inch (aka BMX chain). My chain is the Nexus CN-NX10. Cannot understand the odd observation that ...
13
votes
3answers
778 views

Truing stands, go big or stay home?

I'm looking to buy a truing stand. Is the Park TS-8 Home good enough? Or should I pay double the price and get the Park TS-2.2 Pro. I have some experience truing wheels, but never on a nice stand. I ...
12
votes
3answers
3k views

What are the advantages of investment casting?

I'm starting to see more and more frames using investment casting for head tubes, drop outs, seat tubes, etc. Such as the new WTP c.r.e.a.m. frame . It looks nice, but I'm suspect on how much more ...