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NAHBS 2016 – Boo Bicycles’ Boolossal fat bike gets SL treatment, Banksy tribute & more!

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Boo Bicycles is continually fine tuning their bamboo and carbon fiber frame construction to make the bikes lighter, stiffer, stronger or whatever other metric would improve the ride for the given application. One of their more techy solutions is S2 Glass, an impact dispersion fiberglass that’s placed into the bamboo tubes and expanded. Them lets them use thinner wall bamboo tubes, down to 2.5mm thick compared to 3.5 to 4.0 without it. It saves about 50g for something like a downtube, yet makes it way more impact resistant.

The new Boolossal SL gets that tubing and a trick new full carbon thru axle dropout. There’s no metal on the bare frame other than the water bottle bosses…

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The rear axle threads into the Santa Cruz derailleur hanger part.

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The carbon is built up around custom mandrels and hand shaped. The bamboo comes all the way down to the axle, but there’s a lot of carbon over wrap to make sure it’s very stiff and strong.

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The S2 lined bamboo tube is shown on the left. On the right shows how they butt the bamboo so that the carbon wrap is flush with the wood’s surface (on some bikes).

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The SL bikes are their premium offering, yet they’re selling more and more of those. They get hand selected bamboo for each tube and special manipulation of each tube to make it as light as possible for the intended rider and usage. They’re also full custom, as opposed to stock sizes for non SL bikes.

Other upgrades for SL include internal routing. The Boolossal has 197mm rear thru axle spacing and a PF121 full carbon bottom bracket shell.

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This customer’s Banksy AluBooyah got a concrete-look matte paint and graffiti art all over.

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Taking a lot of cues from the Boolossal, the 29+ mountain bike gets the same 197mm rear spacing but the geo is aimed more at racy riding. And, it converts to a 26″ fat bike. Boo plans to ship it with the Cannondale Lefty Olaf suspension fork. There’s clearance for up to 26×4.7 tires … Same as the Boolossal.

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Many customer’s bikes get personalized touches.

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Most of their bikes are now being ordered with thru axles, which they say really improves rear end tracking, so expect that rear dropout tech to make its way to more bikes. Above, Nick’s cyclocross bike has been serving as his gravel racer for events like Crusher in the Tushar, where they’ve been finding more ways to make it stronger and better.

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For example, their gravel bikes get small refinements like increased wrap around the seat tube/top tube junction to improve strength on hard, seated impacts.

They use “micro balloons” around some of the joints, which are glass spheres that expand and weigh next to nothing. Those are blended into epoxy and used to create a rounded structure around a joint, then it’s sanded and wrapped with carbon. That creates a smoother, stronger joint than wrapping a more angular joint. We saw a similar process at Guru, just with a different material.

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They also improved tire clearance by pushing the chainstays out and notching the tube. The solid wood used there is extremely dense, so it works.

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And then there’s this, a bamboo long board. Just for fun.

BooBicycles.com

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12 Comments
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Burton
Burton
8 years ago

Every news article about bamboo bikes always leaves me feeling diminished.

jlg
jlg
8 years ago
Reply to  Burton

Why ?

guillaume
guillaume
8 years ago

yes I agree .Why ? I dont understand?

Greg
Greg
8 years ago

+1 for the longboard

tom
tom
8 years ago

Seriously, with a wanksy tribute… wamp wamppppp

Ryan
Ryan
8 years ago

I like most of what I see here, but man that linkage fork is UUUUUUUUUUGLY!

Shawnee
Shawnee
8 years ago

Hating on these bikes has become a cliche’. Just get on one for 10 minutes. It is a much nicer ride than most on asphalt, and way nicer than any on dirt / gravel. Just ride one, once. It’s pretty damn nice.

Veganpotter
Veganpotter
8 years ago
Reply to  Shawnee

I have and rate them with a very strong eh. Maybe a 9-10 on ride quality and a 6 on all the other things I’d want in a bike. I’d take any cheapo, modern carbon bike over a Boo

mau
mau
8 years ago

who makes the front fork on the boolossal fat bike?

Major VVald
Major VVald
8 years ago

@mau: made by Lauf.

BobScooterman
BobScooterman
8 years ago

I raced Boo’s mountain bike at Leadville and have to say I felt much fresher and was way faster downhill/through rocks compared to my high end carbon frame. Being from Iowa I was way out of my comfort zone but this beast slayed it. Would definitely recommend.

Cheese
Cheese
8 years ago

How does an AluBoo welded in Vietnam qualify as “Handmade” if a Norco rolling out of their factory in Vietnam doesn’t?

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