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POWER disc origin ????

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kungfunky:
wouldnt be the only part to originate from MX..

GavinDavis:

--- Quote from: Peter J on December 28, 2012, 06:35 PM ---The reason I used (and got told to use one) one BITD for racing is so we could change gearing quickly for the tracks.

It was a cast off from MX as they use to do the same  :daumenhoch:

--- End quote ---

Makes good sense  :daumenhoch: ....looking more like a racey type origin by the sound of it.

bobbbbsy:
makes sense peter !

what i always thought. more power applied on track but i also appreciate freestylers apply a lot of power in quick bursts so maybe carried over to freestylin!

bobbbbsy:

--- Quote from: Ozone on December 28, 2012, 07:29 PM ---
--- Quote from: bullseye on December 28, 2012, 06:26 PM ---I'm sure I read somewhere that the powerdisc originated from motocross sprockets? they were made from the surplus metal that was stamped out of the middle when making the sprockets bitd :daumenhoch:

--- End quote ---

Allan's did that with their Mirage power discs but I'm sure MX sprockets were steel and most power discs are alloy.   :-\

--- End quote ---

probably adapted/produced to sell after people complaining the steel ones were too heavy !

rooski:
This is my version of events

Cranks without built in spiders(opc,flight cranks etc) used separate spiders which were pressed steel or aluminium,this arrangement required loads of machining etc :)

A powerdisc is a spider without the extra bits cut out,this saves time and money for the manufacturer :daumenhoch:,and also allows additional drive holes,and bcd patterns to be drilled :daumenhoch:

Powerdiscs were about before freestyle it think,you dont need a strong drive like race starting for freestyle :)

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