Technical & Reference Section > Tech and Restoration

Mid school to old school plus new school! Differences???

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Gal:
Hi ya. I'm hoping you know more than me about different BMX frames etc. Building mine up which is 90's Mongoose but want a mix of new school gearing along with old school bits. Just bought some forks off my mate, but now am home realised I had forks for the A heaset system, where as these are for the screw in type, with a shorter head tube ( guessing because it hasn't got to fit past the bar clamp ) PLUS its smaller in diameter. Could I get this to fit at all? Different fitting etc?, Plus will need a bar clamp too. How do they fit?

Should have checked before hand I DUH!
As to the crank and smaller new school gearing I guess I will have to change the rear wheel as you cannot get an adapter to put on the smaller sprocket?

Also with the older solid 1 piece cranks they had the bearing in cages ( well mine did once, took it apart and it had rusted away to nothing!! ) Newer 3 piece ones have sealed bearing now? Easy to switch over?

I sound thick ( ok...I am  :buck2: but I used to have a great Mountain bike I built myself back in the 90's with some 1 off components, like titanium suspension forks ) but once I get the hang of it I can do most things
Gary

bobbbbsy:
so you wanna use old `1 inch threaded forks on a frame that takes 1 1/8 unthreaded forks ? got some adapter cups i can flog u for a few quid but you ll need a new headset to !

how many teeth on your chainwheel ?

Gal:
Cool how much?

Yep I know I'll need a new headset, but what am I looking for?

bobbbbsy:
i dunno if it ll look right with your build. tell us more !

Gal:
Its this one

Trying to find out what model it is on bmxmuseum

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