I'd not focus on the under-saddle. It's the smallest area for any kind of aero improvement. Carry your tools for peace of mind.
By far and away the most important is body position - your kit is good enough for getting even better times imho. The best investment right now is getting a TT bike fit from someone who knows what they are doing.
I'd not focus on the under-saddle. It's the smallest area for any kind of aero improvement. Carry your tools for peace of mind.
By far and away the most important is body position - your kit is good enough for getting even better times imho. The best investment right now is getting a TT bike fit from someone who knows what they are doing.