Thread: Bike sizing
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Old 03-22-18, 10:48 AM
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I'm close to @Birota 's size (assuming 34 is a pant's inseam not a cycling measurement). There is no correct answer 58 or 61. The 58 has a shorter headtube (2cm), slightly shorter chainstays (.5cm), and shorter top tube (1.5cm). These differences can be made up for with stem and seatpost/saddle mods. The larger frame should be a bit more 'stable' while the smaller a bit more 'responsive'. But with adventure size tires 'responsive' is a nebulous word.

In road bikes, for a smoother rides I prefer a longer wheelbase, for faster/spirited rides a smaller frame. I run between 59cm and 62/63 roadies.

Personally, i'd go 61cm with a stem length and angle that put the bars in a comfort spot. Zero setback on the seatpost. But since i don't know Birona's trunk/arms/etc lengths maybe trust the shop to get the position right. Then the rider has to fine tune.
70sFollis 072/71 Bottecchia Giro d Italia/72 Zeus Competition/78 Batavus Competition/80 Mondia Super/81 AustroDaimler Olympian/82 Harding(Holdsworth) Special/84 Pinarello SuperRecord/85 EM Corsa Extra/86 DeRosa Pro/88 Falcon Race/99 Pinarello Cadore/99 Calfee TetraPro/03 Macalu Cirrus/04 Tallerico: The less ridden = '97 CoMotion tandem + city bike, mtn bike, beach cruiser
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