His Brain is Gone!
Join Date: Sep 2006
Location: Paoli, Wisconsin
Posts: 9,979
Bikes: RANS Stratus, Bridgestone CB-1, Trek 7600, Sun EZ-Rider AX, Fuji Absolute 1.0, Cayne Rambler 3
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What is the length of the stem on your Trek?
A longer stem would use a lower angle to reach the same height as a shorter stem. That is where a 100mm stem might need a 30 degree angle to reach a particular bar height, a 120mm stem might reach the same height with a 20 degree angle. I'd have to do the math to know for sure.
I don't know what the maximum is, but I've seen 150mm stems.
Even the 10mm increase that you mention, would make a significant difference. That's 4/10ths of an inch. I know when I changed a stem to being 10mm shorter, it had a big effect on how the bike felt.