The question burning in everyone’s minds right now (or not) is “How did you make the fork work?!”

It was a bit of an all-day process that involved phone calls to several places. The SRAM rep (who didn’t fully understand that an integrated headset doesn’t have a change-able stack height) had told me to try Cane Creek and Chris King for a solution since they offered bottom bearing sets in various stack heights. I figured it’d be worth a shot to call around anyways and see what type of ideas the techs at those companies might have…

First, I called Cane Creek. They never answered my voicemail.

Next, I tried Chris King. They aren’t all that hot on integrated headsets, but they do make various thicknesses of 1 1/8″ crown races, so I was hoping maybe they had something in a 1.5″ that could help me out. They were interested in my problem, but still no dice.

After that was FSA. They don’t make any sort of fat crown race, but I thought that since they made the headset that they might be able to help. The tech there was really interested in the whole plight of the small-frame 29er vs. tapered headtubes vs. tapered steertubes. We discussed the various manufacturer’s headtube lengths that I’d posted earlier, and he took down my contact information so that he could call me after he talked to the company engineers.

In the meantime, I had Tim, the mechanic from PB&COtwenty12, trying to hunt down the specs on the Willow Koerber Superfly crown race spacer.

It looked as if the build was indefinitely stalled.

Then, I checked my email and saw a comment on my “conundrum” post from Eric (the Niner tech I’d talked to previously) asking me to call back. When I finally got in touch with him, he told me that some shops had made everything work by filing off the vertical portion of the compression ring that was unable to seat into the top bearing due to the extended fork taper. I didn’t take a “before” photo, but it looked like this (photo is upside down from how it fits into the top bearing):

So, I took to the bench grinder and had at it. Once that part was decimated, I filed off the sharp edges and tried it out. Once I snugged the cap & stem down, the fork was snug in the headtube. Woohoo!!! I packed all of my parts up and headed home to prep for a morning bike build in the living room.

A few observations about the A9C/XX build:

-The internal cable routing is tough. I generally have a knack for internal routing, and I have to say, I cussed at it a couple of times.

-I don’t have a rear brake yet. They’re backordered. Without that, the bike weighs 21 pounds, 1oz. This is barely a pound more than the SS. Chock it up to different saddles, a lighter BB insert, carbon bars, lighter wheels (Crest rims vs. 355s), and lighter tires on the geared bike. I’ll post the final weight once the brake gets here.

Here’s a photo of the ground down compression ring. I’ll put photos of the bike in a different post so I can just make a gallery:

And a teaser: