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Chinese Carbon Road Bikes => Cyclocross Frames, Wheels & Components => Topic started by: Danebiker on March 08, 2026, 01:45:26 PM

Title: Seaboard GR04 - an updated GR02 with UDH and bigger tire clearance
Post by: Danebiker on March 08, 2026, 01:45:26 PM
Has anyone seen or tried this frame? i have only found one seller on aliexpress and there is only one reddit thread about it where it is claimed to fit 50c tires.

https://www.aliexpress.com/item/1005009083330566.html


Title: Re: Seaboard GR04 - an updated GR02 with UDH and bigger tire clearance
Post by: Bigbobby1482 on June 13, 2026, 04:24:18 AM
This is awesome, I might order to replace my gr02 when the price comes a bit down.
My biggest gribe with the frame was the hangar design, and the cable routing.
Seems like they fixed both 😁

Edit: also seeing now the wheelbase is longer, so maybe that will fix toe overlapping with fenders?
Title: Re: Seaboard GR04 - an updated GR02 with UDH and bigger tire clearance
Post by: Samuel BMR on June 13, 2026, 10:17:21 AM
Guys both your links direct to the GR02 which still has 45c tire clearance max.
I have it I know.
I don’t think the GR04 is on AliExpress…
Title: Re: Seaboard GR04 - an updated GR02 with UDH and bigger tire clearance
Post by: Bigbobby1482 on June 13, 2026, 11:05:10 AM
Quote from: Samuel BMR on June 13, 2026, 10:17:21 AM
Guys both your links direct to the GR02 which still has 45c tire clearance max.
I have it I know.
I don’t think the GR04 is on AliExpress…

I'm looking at this https://a.aliexpress.com/_EwjQNSI

I don't know where that other guy gets the 50c the new frame has 45mm of clearance.
The old one gr02 has only 40mm of clearance in reality, I could bearly fit a 38mm in it
Title: Re: Seaboard GR04 - an updated GR02 with UDH and bigger tire clearance
Post by: Samuel BMR on June 13, 2026, 01:14:46 PM
Then it’s not new at all
I bought mine last year, all pink, 45c WAM tire clearance

I even made a complete bike check video about it, got it down to 8,6kg full gravel setup

https://youtu.be/X_3iCiU3FBc?is=tu3ndK2xVpY0Hq1H
Title: Re: Seaboard GR04 - an updated GR02 with UDH and bigger tire clearance
Post by: Bigbobby1482 on June 13, 2026, 02:57:55 PM
Quote from: Samuel BMR on June 13, 2026, 01:14:46 PM
Then it’s not new at all
I bought mine last year, all pink, 45c WAM tire clearance

I even made a complete bike check video about it, got it down to 8,6kg full gravel setup

https://youtu.be/X_3iCiU3FBc?is=tu3ndK2xVpY0Hq1H

Funny how mine is so tight then 😅
Yours is the old, look at the chain stay and cable routing in the rear stay is different in the new one