I keep mine slightly behind. I like to stand up and pedal out of the saddle for about 30 seconds every 20 minutes or so to get relief to my groin and sit bones. So far i havnt ridden off the rollers.
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John
'09 Cannondale CAAD9 - Team Latitude/ABRT Special.
'04 Lemond Victorie Ti
'98 IF Crown Jewel (dead)
'92 Trek2100 (TT)
'50 something Gino Bartali (fixer)
'02 Ducati ST4s (Moto-Ref mount)
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