Here they are, proof that aftermarket XX1 compatible chainrings exist other than on paper. As one of the first companies to bring narrow-wide 104 BCD compatible chainrings to market, we’ve talked about the Wolf Tooth Components rings a good bit after we spotted them at NAHBS. The company seems to be progressing at a very quick pace and will soon offer a number of narrow-wide chainrings for quite a few different crank standards but the 104 models are the first to hit the shelves.

We just received a 30 and a 32 tooth ring to test out, and have already bolted up the 30t for some first rides. Did the chain drop? Answer, after the break.

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Chris King’s Cielo just teased this partial shot of a new rigid mountain bike fork they’re building in house.

Not too much to say other than the obvious: It’ll be thru-axle ready when it comes available. Legs look pretty straight, and the dropouts are pretty thick with what appears to be a Fox axle/lever. Should go nicely on a few of those new bikes they showed at NAHBS!

Riivo offers stock and full custom cycling shoes made with carbon fiber soles and premium upper materials, all handmade by Austin-ite Brad Harper.

Harper has been making speedskating shoes for 20 years, but has transitioned to cycling shoes because he was already making them for himself and the market is much larger. He makes the entire shoe, and the custom shoes are full custom from bottom to top, all made completely in his workshop. Including the screen printing and embossing.

Kick past the break to check out the construction, molds and more…

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True Fabrications hails from Austin, TX, and has been building custom steel bikes since 2005. They started out just building 29er frames for themselves, but now offer road, cyclocross, mountain and commuter bikes. They also make stems.

The disc brake road bike shown here is for a customer in Dublin. It has all internal cable routing, which is done with super clean execution. The paint ain’t too shabby either!

Click through for closeups and their other booth bikes…

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Originally spotted out at NAHBS, Wolf Tooth Components seems to be cranking out the goods with new XX1 compatible rings that will make dropping that front derailleur easier than ever. You may have noticed on our original post that the GXP direct mount ring had an additional 4 holes – which didn’t make sense unless it was to attach a bash gaurd. That is exactly what WTC had planned and will begin shipping their SRAM Spline ring/bash guard soon with the rings shipping in 1-2 weeks and the guard shipping in 3-4. We’re looking into what the BCD of the guard will be, as it’s not yet clear if you will be able to run any bash guard, or just theirs.

Other big news for WTC is the introduction of a line of 88 BCD chainrings that will fit XTR’s M985 Race 2x crank. See them after the break!

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The folks at Boo Bicycles showed us the Aluboo in detail at NAHBS with promises of a Kickstarter campaign launching just after the show. They’ve held true to their word, and the fundraiser’s off to a good start!

In a nutshell, the Aluboo is an alloy and bamboo framed bicycle that’s versatile in its uses. It can be made to run thick tires or thin, disc brakes or rim calipers, flat handlebars or drops, chains or belts, gears or not. The point in developing this bike was to make something with the ride characteristics of bamboo without the huge price tag of a full custom ‘boo and carbon fiber bike.

Head on over to their Kickstarter page and pick up a frameset for a pledge of $645 or a complete bike for as little as $945. For $3,995, you can travel to Vietnam and tour their bamboo farm and manufacturing facility, ride around with the builder and more! Click past the break for the full list of options…

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Ground Up Designs’ Eric Baar brought his brushes and was pinstriping and decorating his bikes at the show. The sparkly racer above caught our eye for the garage-mechanic World of Outlaws motif, but the details made us stay.

The frame uses a reversed sliding dropout placement and unique turnbuckle bar to adjust tension on the belt drive. Click through for closeups of this and some other eyecatching bikes of his, Metrofiets’ crowd-carrying cargo bike, Paketa’s magnesium tandem (and others) and some beautiful paint from Zullo…

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We saw quite a few wooden bicycles at NAHBS this year (here, here and here), plus some sweet wooden fenders and bags from Nisnas on Kickstarter. The most recent tree-sourced bike comes from Yojiro Oshima, a student at Tokyo’s Musashino Art University.

The pictures come from BicycleDesign.net, where you’ll find more of them (though we did do a little color correction on them here), and where Oshima commented that this is only a prototype and that the material is, well, immaterial…that it’s the shape that’s important. Then he added that wood would be the most comfortable.

This one’s construction uses hollowed out sections bonded together, much like Connor’s designs from NAHBS (middle link above). It’s unfinished, evidenced by the lack of brake levers and full cable routing, but still quite beautiful. Particularly the handlebars…

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At first glance, this road bike from Silk Cycles seems to have to many tubes. Upon closer inspection however, I quickly realized the engineering work at hand here.  The bike is a full size folder, and an elegantly designed one at that.

See just how the bike breaks down on the other side, plus a wild steampunk build from Donkelope…

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Predator Cycling is known for being one of a very few carbon fiber repair shops in the country (Ruckus being another).  But they do so much more.  At NAHBS they were happily showing off both bikes and components.

The first thing I noticed at the Predator booth was not their full carbon road bike, and it wasn’t their custom carbon belt drive cyclocross racer.  It was, in fact, The Major, their barstem combo that retails at a starting price of $600.  This barstem combo is unique in its construction.  It utilizes an inner joint made of ballistics kevlar that really helps kill road vibration.  The outer joint is then made of high modulus carbon fiber, and can even include an outer kevlar weave for added color like the red pictured above.  Any composite stem and bar can be used, but the stock option starts with an ENVE stem and FSA SL-K bar.

Hit the jump for Predator’s bikes and their pressfit seat mast / saddle combo, plus the bikes from Shamrock Cycles…

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