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Trek 1.5 - Shimano 105 (BillM)   Back
Front: 50/34
Rear: 11-32
LowGear: 1.06
HighGear: 4.5
Range: 425%
LowInch: 29
HighInch: 122

This was originally sold with a Tiagra 9 speed drive train in 2010. It was upgraded to Shimano 105 in about 2015.