Size chart

Sizing notes

Measurements are stated in centimeters.

Reviews

Rated 5 out of 5 by from Alloy 105 - good for commuting I ride a high end Synapse (2014 Hi-Mod Di2) but picked up the Alloy 105 for my commuter. I love both bikes. However, the information listed in the specs on REI's website for the width of the seatpost is wrong. The correct measurement is 25.4mm, not the stated 31.8mm. Due to the incorrect measurement being listed, I ordered the wrong size seat clamp collar for rear rack attachment.
Date published: 2017-08-27
  • y_2018, m_2, d_19, h_20
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Questions & Answers

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