Can we sticky this please guys? To help Pro bar clarification.....
1st Gen - are rounded on the bottom and date 1981 - 1982,
![](http://www.radbmx.co.uk/archive/albums/ad61/GnarleyScoots/_35_zpsuctxoxdp.jpg)
2nd Gen - are squared on the bottom and date late 1982 - late 1984,
![](http://www.radbmx.co.uk/archive/albums/ad61/GnarleyScoots/010_lg_zpsnt4ec1bx.jpg)
3rd Gen - look like 2nd Gen but have a thicker cross bar, date late 1984 - 1986.
![](http://www.radbmx.co.uk/archive/albums/ad61/GnarleyScoots/660_zpsofk6byml.jpg)