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Bird Aeris 1.5 mountain bike, £1200

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Borekit Bruiser

Joined: 18 Jan 2013
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PostPosted: 16:17 - 01 Sep 2017    Post subject: Bird Aeris 1.5 mountain bike, £1200 Reply with quote

cut and paste from the ebay ad, Im open to offers that are not the usual gumtree style half a packet of frazzles and a stolen ps4.

uk postage for £30, europe approx £60,


Size large Bird Aeris 1.5 that i bought last year. The Aeris 140/150mm adjustable travel trail bike has bob-free pedalling and progressive shock curve combines to make the hardest hitting yet pedal friendly 150mm travel bike around
The frame has the upgraded monarch plus RC3 debonair shock. The shock has three volume bands fitted and two spare on the outside. The frame has a transferable lifetime warranty.

Bird describe the Aeris like this:
Geometry is the secret sauce that makes an Aeris so good. Its the often overlooked basis for any great bike. The Aeris is long, slack, and low. Itís not one of these on its own that makes the Aeris so special though, its bringing them together in a single package, adding progressive, poppy suspension with custom tuned shocks, and of course the amazing value of frame only or full bikes that makes the Bird Aeris the most exciting bike to come out of the UK for some time!

Hereís the top six things you probably didnít know about an Aeris

The Aeris Frame runs on a full complement of Enduro Max bearings. Exceptionally well sealed and running maximum balls in the race for better load distribution, Enduro Max are the bearings of choice, and easily found online.
The Aeris frame offers 2 travel positions, 140 and 150mm but the same geo in both. What changes is the progression of the shock. 140mm is less progressive for an improved trail feel Ė supple traction across the whole travel, with just enough progression to prevent wallowing, while the 150mm mode adds progression to resist bottom out and prevent wallowing even further. We donít change the geo on the different settings as its perfect just how it is.
Aeris frames are not tall. The biggest is 19.5 Ė thats still plenty big enough for even the tallest of riders, as a 150mm Reverb needs at least 7″ of seatpost showing (with another 7″ on tap!), and the reach and ETT are perfect for big riders. By keeping the frames low, we reduce weight, and improve handling. Simple really.
The shock position and top tube on each size is in the same place. We designed a great linkage system, and we want to keep it that way. By using the same dropped TT and increasing seat tube brace size we ensure that the perfect shock curve of the Aeris is the same on every bike.
The Aeris runs external full hose routing. We donít like internal routing because weíre British, and it rains. Alot. Internal routing is the bane of mechanics everywhere. We also offer dual routing on the downtube so left or right reverb, UK or rest-of-the-world brakes, thereís a perfect cable and hose routing for your set up on the Aeris.

I have fitted the following new and unused parts from the bike i am replacing this with: rear mech, chain, cassette, shifter, bottom bracket, saddle and both tyres.

The Geometry chart is below.


The specification of the bike is as follows:

Colour Acid Yellow Frame 6061 Heat treated alloy, 142x12 rear maxle, 160mm post mount brake, single ring specific, 3kg weight
Fork Manitou Mattoc Pro Fork, 15mm bolt through axle,
Adjustments Air, Compression (High Speed and TPC+), Hydraulic Bottom Out, Rebound
Rear Shock RockShox Monarch Plus RC3 Debonair,
Headset Cane Creek 40 sealed bearing Rear Hub Sixpack Vice

Forged And CNC'd AL6061 Body 135mm Rear Hub

Runs On 4x Japanese Sealed Bearings
Front Hub Dt 350, Double Sealed Cartridge Bearing, 15mm Through Axle, 32 Hole Spokes DT Stainless Steel Spokes, Brass Nipples
Superstar T-READY XX27

Tyre WTB Convict TCS System Light High Grip 27.5 X 2.5" Folding Front, WTB Riddler TCS System Light Fast Rolling 27.5" X 2.4" Folding Rear
Shift Levers SRAM GX, MMX Clamp, 11 Speed Front Mech N/A
Rear Mech SRAM GX, 11 Speed Alloy Cassette SRAM NX-1130, 11-42, 11 Speed
Chain SRAM PC-1110, 11 Speed Crankset SRAM Descendant 6K GXP, X-SYNC 2, Direct Mount 30T Chainring, 11 Speed
Bottom Bracket SRAM GXP XR, BSA 73mm Seatpost Rockshock Reverb Stealth, 30.9mm, 125mm drop
Saddle Whyte Custom Dual Density, Triple Panel Design Handlebar Nukeproof Warhead Flat Bar, 760mm Wide
Stem Raceface Respond, 60mm Grips Lock-on Grip
Front Brakes Hayes Stroker trail, 200mm rotor Rear Brakes Hayes Stroker trail, 180mm rotor
Brake Levers hayes Stroker trail
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