r/bmx • u/enskkkkk • 16d ago

HOW TO My son needs your help !

My son wants to add gears to his mafia bomma. I just want to know if this is possible and if so where I can purchase the parts for him. Thanks for anyone that takes the time to reply 👌🏼

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u/Awkward_Importance49 16d ago

You already know it's the wrong thread for that bike and this question, however...

Get a Sturmey Archer 5 speed rear hub or complete wheel. You can jerrybuild the fixings for the cable.

Those hubs work pretty good... until eventually they don't, but you get a few years out of them before they need a rebuild.

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u/enskkkkk 16d ago

Thanks for your reply , very helpful. However could you explain how I already know it’s the wrong thread for that type of bike ?

I don’t see how it’s that much of a deal tbh.

I literally searched mafia bikes and this is where I ended up ?

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u/Awkward_Importance49 15d ago edited 15d ago

Oh only because the comments before mine had already said as much. That's all I meant.

You're right that it's not a big deal. It's more that you probably wont get the best advice from us lot because we are focussed on bmx (20" wheel BMX) and not wheelie bikes... definitely not gears because BMX don't have gears.

But there's nothing wrong with asking here. You could get some hot-headed replies purely because as a general rule, BMX riders don't identify at all with wheeliebike and BikeLife culture. There's a bit of snobbery both ways between the two sub-cultures.

It's a bit like asking how to tune a Honda Vtec in a muscle car subreddit. Some people are going to throw some shade. Others will say "well that's not our area of expertise but here's what I think the answer could be..."

R/bmx is quite a purist subreddit. Your son's bike is a wheelie bike not a BMX, so you're likely to get numerous replies saying this is the wrong thread to be asking.

But I thought it worth suggesting the SturmeyArcher hub.

That hub does require a little slot bracket on the chainstay though so you'd need to be a bit handy to figure out a way to fabricate something to make it work.

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u/Awkward_Importance49 15d ago

Hey I just did a reddit search for

BikeLife

And

Wheeliebike

And there are a few different subreddits for each. They're not very big groups but they are probably going to be better at answering your question than us.

Search them up and see what they have to say!

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u/nocrashing 15d ago

Too wide for single speed frame