TT disc wheel - 23mm inner and 30mm outer?

[hebron]

Hi,

Looking for a disc wheel for my upcoming TT build for my and my brother Ironman training.
Does anyone have a recommemdation?
For now it looks like a Serenade TRW80s in front with 23 inner and 31 outer width.

But its harder to find a disc closer to that width.
Carbonal DR-W30.5 with 23 inner and 30.5 outer is the only conteder so far.

[empathetic togue]

i was under the impression that external width of rear TT disc wheels isn't as important compared to width of spoked wheels on the front. if you look at some of the leading brands (enve, aerocoach) you will see most of them at 28mm external. because the wind doesn't have to transition over the rim profile, it just moves along the surface of the disc, width isn't as important on the rear disc.

[klindsey00]

the width still should matter with relation to the tire width you want to run. The enve ses disc is "optimized for a 27/28mm tire" so the external is going to be in the 30mm ballpark (it isn't even listed on their site).

[mtm]

Hi,

Looking for a disc wheel for my upcoming TT build for my and my brother Ironman training.
Does anyone have a recommemdation?
For now it looks like a Serenade TRW80s in front with 23 inner and 31 outer width.

But its harder to find a disc closer to that width.
Carbonal DR-W30.5 with 23 inner and 30.5 outer is the only conteder so far.

Myth has what I think is the same disc on AliExpress. I think that (Carbonal or Myth) is your best bet for the money. DFS has one that is 24.5mm inner, but same outer as Carbonal. LightBicycle has a super light one with 25mm inner, but it's also much more expensive.

[hebron]

i was under the impression that external width of rear TT disc wheels isn't as important compared to width of spoked wheels on the front. if you look at some of the leading brands (enve, aerocoach) you will see most of them at 28mm external. because the wind doesn't have to transition over the rim profile, it just moves along the surface of the disc, width isn't as important on the rear disc.

Yes, i have seen that most disc are about 28mm or less outside. But then i saw that Ron wheels and Scope has wider discs.
Thats why i started looking for chinese options.