New Frame Day - Bird Aeris 9

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Numnut
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New Frame Day - Bird Aeris 9

Post by Numnut »

Perhaps against my better judgement, I've gone and bought a new frame. This has 160mm of travel and can take up to a 180mm fork. There's a linkage to up travel to 180mm at the rear, but they're hard to come by. It comes with a one up seat post and a set of cura 4 brakes which is pretty good. The seat post is 210 drop, but can be adjusted down to 190, I think it'll be on the limit of what's comfortable for me.

I should be able to move the wheels, drivetrain and controls across from the Aether so will just need a new fork and shock. Typically, Merlin have sold out of reduced fox 36s so I'll have to see what I can find. Probably going to fit a SD Select + shock unless I come across something better.

The plan is to stay at 160 front + rear and have bit of a burlier trail type bike.

All being well it should be here on Friday...

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weeksy
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Re: New Frame Day - Bird Aeris 9

Post by weeksy »

Mmmmm its pretty similar to the Aeris isnt it?
mboy
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Re: New Frame Day - Bird Aeris 9

Post by mboy »

Numnut wrote: Wed Jul 01, 2026 6:20 pm Typically, Merlin have sold out of reduced fox 36s so I'll have to see what I can find. Probably going to fit a SD Select + shock unless I come across something better.
I'll have a brand new 36, same spec as the Merlin ones, uncut steerer etc... for sale in a few days...

Give me a shout if you want it...
Numnut
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Re: New Frame Day - Bird Aeris 9

Post by Numnut »

weeksy wrote: Wed Jul 01, 2026 6:32 pm Mmmmm its pretty similar to the Aeris isnt it?
Yeah they’re both quite similar, the Aeris is a bit more ‘gravity focussed’ according to bird and the Aether is more trail oriented.

So the Aeris will be better on the downs and hopefully still a bit poppy and not too heavy. Will definitely be overkill for what I’d normally ride, but I wanted to try one and one came for sale!

@mboy yes I could definitely be interested, let me know what you’d like for it.
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Re: New Frame Day - Bird Aeris 9

Post by superstu »

Be interested to see how you get on. I had an early Aeris mk1.5 but didn’t find it pedalled well. Was fun downhill.

This should be nice when built!
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Re: New Frame Day - Bird Aeris 9

Post by mboy »

Numnut wrote: Wed Jul 01, 2026 8:37 pm @mboy yes I could definitely be interested, let me know what you’d like for it.
Drop me a PM...

Also, what shock size does it take...? If it's a 230mm, then I might have a matching Fox X2 to go with it...
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Re: New Frame Day - Bird Aeris 9

Post by Numnut »

superstu wrote: Wed Jul 01, 2026 10:59 pm Be interested to see how you get on. I had an early Aeris mk1.5 but didn’t find it pedalled well. Was fun downhill.

This should be nice when built!
I'm hoping so. I love my Aether 9, but have fancied one of these for a while so the Aether will be finding a new home.

@mboy sent you a message.
Numnut
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Re: New Frame Day - Bird Aeris 9

Post by Numnut »

Frame was meant to arrive today but parcel force didn’t attempt delivery. Hopefully will arrive tomorrow.

The Aether has been stripped down so parts are ready to move across when it arrives. Forks should be turning up tomorrow too…
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