Why the difference in seats?

[g00ner]

For instance, these two

http://www.ukgser.com/forums/showthread.php?t=295772

and

http://www.ukgser.com/forums/showthread.php?t=299809

As compared to the (to me) more usual two part seat like these

http://www.ukgser.com/forums/showthread.php?t=299890

or

http://www.ukgser.com/forums/showthread.php?t=299951

Is there a difference between GS and GSA? Are some 'comfort' seats? Please tell

 

[cookie]

1150GS has 2 piece seats.

1150GSA has 1 piece seat.

1200GS and GSA both have 2 piece seats, but they are different designs.

 

[g00ner]

Cheers Cookie, was wondering if I was looking at 'bitsa' bikes (no offence intended)