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Tsunami Seaboard GR02 Budget Gravel Build I haven't seen much discussion about this affordable aluminum gravel frameset, so I decided to buy one and assemble a really budget focused build (ignoring the wheels which I already had on hand). I bought nearly everything on Aliexpress and the total build cost (ignoring wheels) came to just a bit over 1000 CAD including shipping.

Everything eventually arrived in good shape, and the frame itself was very well packed. The frame is really decent quality and definitely exceeded my expectations, the fork is also reasonably nice, with no obvious defects. It is a bit strange that the fork required the disc adapter set to 140 mm even though I am using 160 mm rotors, perhaps you could use 180 mm rotors if you wanted?

It was a bit confusing to figure out how to route the shift cables and ultimately decided that crossing them inside the downtube performed the best. It was also necessary to use anti vibration foam on the rear brake cable housing to keep it from rattling.

I used Kalloy UNO stem and handlebars, which are unbeatable price/performance, and used the L-TWOO RX 12 speed groupset, which also exceeded my expectations. The shifting is nice and crisp with the front shifting being a bit worse than my other bike equipped with Shimano 105 R7020, but overall very comparable. I did have to swap out both cable pinch bolts on the front and rear deraillieurs but other than that no major problems so far.

The brakes are Zrace BR-005 and Zrace 160mm rotors and they perform very well, comparable to my R7020 hydraulic brakes using 140 mm rotors on my road bike. I am using Jagwire compressionless housing front and rear.

The wheels (which I already owned) are Light Bicycle AR46 laced to DT350 hubs, and are wearing Continental Terra Speed 700x40 tires.

Total weight without pedals is a very respectable 8.8 kg.

For reference the frame is size 53 (L) and I am 179 cm tall, it fits perfectly.

After 100km so far my experience has been overwhelmingly positive! I had to tighten the headset after the first ride, I'm sure that was just the crown race settling a bit and since then it has remained tight with no play.
September 02, 2022, 04:51:53 PM 		1
Re: Tsunami Seaboard GR02 Budget Gravel Build
Quote from: bamboo_mountain on September 02, 2022, 04:51:53 PM
... It is a bit strange that the fork required the disc adapter set to 140 mm even though I am using 160 mm rotors, perhaps you could use 180 mm rotors if you wanted? ...

The Carbonda gravel 707 frame is the same.
I'm finishing a build with 180 front/160 rear
September 02, 2022, 05:00:33 PM 		1
Re: Tsunami Seaboard GR02 Budget Gravel Build
Quote from: Brady on September 17, 2022, 06:36:09 PM
I'm curious about the brake adapter that that you needed for the fork, was that something that came with the brakes you bought or that needed to be purchased separately?

It is just the standard 140/160 mm adapter that came with the brakes, but it is set to the 140 mm position even though I am using 160 mm rotors. The fork is only compatible with 160 mm or 180 mm rotors. I hope that makes sense!
September 19, 2022, 08:43:03 AM 		1
Re: Airwolf YFR068 - 2023 Gravel Frame
Quote from: Brady on July 26, 2023, 09:40:29 AM
What size of rear brake rotor are you on this bike? I ordered 160mm to go with Shimano grx brakes, but it doesn’t fit. I’m wondering if I need an adapter for the calliper or if I need to go down to a 140mm?

If an adapter is needed any suggestions where to find it?

Thanks

I used 140mm rear rotor. Fitted without an adapter. I have 160mm front, 140mm rear.

I'm guessing you would need Shimano SM-MA-R160-DD 160mm Flat Mount Rear Disc Brake Adaptor.
July 29, 2023, 07:53:29 PM 		1