At 6'4 youre prolly be set on a 5. More so as its dubbed an AM ebike, longer better for this category. I got a 3, Im 177cm.I'm looking at the Sight (which I would turn into a 160/170 with Vivid/Zeb). I'm 6' 3.5" and the Norco puts me easily on an XXL. I pedaled a Norco Sight VLT size 4 yesterday (XL equivalent) around a parking lot. The bar height felt low and too close. (short headtube and 20mm rise bar installed) and could be remedied with a higher rise bar. The seated bike position felt quite short.
Norco sizing looks so skewed - Reach on size 4 is 497.5mm and 522.5 on the size 5. But size 5 is recommended for 6' 1"+ !!
So ... how tall are you and what size did you order?
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