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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