The seat mast situation

This is the second cross bike I’ve built for Adam St. Germain but it’s the fourth Circle A I’ve built for him. He also has one of the few Circle A BMX frames and a pretty fancy road bike. For this one, I wanted to make it as light as possible. I ended up going with Dedacciai’s Zero tube set. Because this is a cross bike and it’s going to be put through the motions, I put a small gusset at the down tube head tube junction. I suggested a seat mast with some unique internal cable routing and Adam let me have my way. So here’s the final product but I unfortunately neglected to think about one thing…



 
 
 
 
See the full slideshow.

A week or two after he got the bike, at the NBX Grand Prix of Cyclocross right here in Rhode Island on December 4th, the seat mast bent. I was devastated. I totally felt like I let Adam down by building a bike with such a thin seat tube and doing the internal routing at the rear. He sent me a txt with the image and my heart sunk. I had to fix it. NOW.


 

So Adam dropped the bike off at the shop on the Monday after and I had it back to him at the week’s end for the Ice Weasels race in Wrentham, MA on the 10th. The repair consisted of me carefully straightening the mast and reshaping it with tubing blocks. To strengthen that joint, I bonded a section of slotted aluminum post into the seat tube. It essentially has a seatpost in there now, which I will recommend to all future customers who inquire about a seat mast. I repainted the affected area and it was ready to ride again. Just last week, he raced it at the Nationals in Madison and got 32nd. Attaboy! We’re very proud of him here at Circle A. Here are a couple shots of the bike after the repair.



 

My longtime friend Lee FINALLY got his bike together. Definitely a fun commuter/light touring ride. Hope you’re having fun, Lee!



 

And it was a long time ago (I think back in October) but we had our 10th year anniversary. A lot of friends and local builders came by to help us celebrate. We’d like to thank everyone who has supported us over the years and will continue to build for the unforeseeable future. Here are some shots of that beautiful day.


 
 

Next up is a travel bike with a couple of firsts for Circle A…

2 thoughts on “The seat mast situation”

  1. The bike is actually now faster that it previously was.
    Thanks for all the support and good times.

    Support your local (or relatively local) frame builder!

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