After finding out Titus wants $125 for 5 bolts in their Ti bolt kit I was off to see what my options were. The Kit for the Racer X includes: Shock Bolt and Nut (Top), Shock Bolt (Bottom), Horst Link Bolts, Seatpost Collar Bolt.
I searched around and found bolts I needed at www.hyperbolts.com and www.racebolts.com. You have to order from boh places due to no one selling all the parts needed.
There is some customization needed though. The bottom shock bolt can only be found in M8x60mm and the OEM bolt is only 55mm. I had to trim (hacksaw) 5mm of bolt off and clean it up with a dremel. This only took about 10 minutes so not a show stopper. The Ti Countersink Boltsused for the horst link has a slightly larger head than the OEM so they sit about 1mm above the chainstay but I've not seen the Titus bolts to verify theirs don't either.
So the bottom line. Instead of paying $125 I got all 5 pieces for $26.24 plus the shipping. The weight savings is around 25 grams so $1/gram. Not bad ad a fun project. I actually did my whole bike in Ti and Al bolts and posted the results in the Weight Weenie forum.
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Thread: Custom Racer X Ti Bolt Kit