x1 or x2?

I’m planning on a new project to help me break the 22mins 10mile TT where I’m currently at 22’57”…. a Felt DA 60 size TT specific frame, forks and cockpit has been bought for complete build as opposed to the existing Felt AR5 58 road bike with add on tri bars.

I’m currently running 172.5mm cranks with Shimano10spd Ultegra compact chainset; do I now forego the compact in exchange for a single chainring, such as the AeroCoach ARC?

Does anyone have experience or thoughts? Purely as a race set up on moderately flat courses?

Intend to keep the 10spd set up but will need to reconsider the cassette ratio as I’m running 12-23 on my disc wheel….

I’m open to suggestions and options!

Dan

 

 

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