Originally Posted by
SlowRoller
The 58cm LHT has a tt length of about 58cm. The 60cm LHT has a tt length of about 59-60cm.
As I said in my earlier post, the 58cm LHT has an effective top tube length of 58.6cm, the 60cm has an effective top tube length of 60cm. No need to guess at it, it's on the Surly site. Those are long top tubes.