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How Can I Make My Mongoose Fireball Trialsy ?


Ollie RDV

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Hello there everybody

My names Ollie,i've just started getting into bike riding after over 10 years.

I've always been fasinated with street trials riding,so I bought a mongoose fireball as a base to start with,although now after doing some research i drastically regret it! I should of saved some more and gone for the Onza Zoot.

Any way im kinda stuck with the mongoose now so is there anything i can do to improve it ? I.E single speed conversion ? I've bought a Planet X 100mm 25 deg stem,and put some onza pedals on, the rear brakes are awful though, and im thinking of swaping to rigid forks? is this do-able?

Any commets or suggestions are welcome,I look forward to your advice.

Ollie

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You will need a good set of disc brakes for the fireball as there is no v-brake mounts. Rigid forks will work, single speed conversion, just add lighter bits as you go along. I have a 2011 fireball and I have a MOD as well. I am also looking at converting my fireball to more of a street bike as well, I'm thinking inspired forks, echo wheel set, light seat/post, single speed conversion, hope stem and eventually new brakes. I'm already running avid elixors but they aren't great

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That's my point. As you're not overly clued up on things just yet you could potentially spend a lot of money buying the wrong stuff and not knowing how to piece it all together.

A mod is a trials bike with 20" wheels. Have a look through tartybikes.co.uk to get an idea of the sorts of bikes that are available, or are considered traditional trials bikes.

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I will stress that the comments about spending money compared to buying a trials bike are valid points. I have only just bought my mod and god is it a big change. I find myself practicing in the living room at night while watching the tv just to get used to the bike! Anyway my reason for converting my fireball is mainly because I really like the bike, I love the geometry and since my move to northern Ireland there is no trails or jumps here but there is slot of urban stuff I could ride.

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Above is a good answer as getting about on a pure trials bike is like driving your car everywhere in first gear (a lot of effort)! You can learn the basics on the fireball and if pure street is your goal then just go out and see what you can do with it. I manage with it and intend to slowly convert it to a street bike over time. I put my fireball up for sale when my mod arrived and then quickly decided that it was not a good idea as I forgot how much I use it for day to day stuff which is just jot possible on a mod.

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Chris probably has a custom geometry. I know from experience that putting trials forks on a jump bike ruins the geometry. If you buy rigid forks make sure to get some that are a sensible length, think idenditi rebate or DMR trailstar forks.

This is more than likely, being a team rider.

But yeah good ploy, get some old school long forks (have a look on eBay), look at your cranks and see how many arms it has that the rings are bolted too, get a 22th ring and find a 4 arm or 5 arm bash guard.

For the rear brake, get either a Magura and a set of evo mounts if the frame is v brake. If not get a decent hydraulic rear disc.

It will be a little more difficult to do proper trials on due to the geometry, however set it up right and you will have a street beast for big bunny hops, 180's and so on.

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I totally see your point dude,believe me i would prefer a Zoot,but then i know the fireball will sit not used in my shed and I will have wasted money.

If it looks like I genuinely have no other option,and an Onza would progress my riding quicker then I'll probably get one.

Go for it with street riding, that would make use of the bike you have. I keep thinking of swapping my stock frame and forks for more of a street setup.

Edited by Kwizera Simon
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