Originally Posted by
Doug64
FWIW -Trek's entry level road bike, the "1.1" selling for $769, uses 100 Series Alpha Aluminum, the same tubing as the 920.
This is interesting, as it seems the 100 series is only used on the couple of least expensive road bikes. Anything $1000 and up (including Sora bikes) uses the 200 series or better. Their least expensive cross bike uses 200 series. If anyone is subject to obsessing about aluminum tubing, this could be a real worry!