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Archive · Argon 18 · Gallium

Argon 18 Gallium Pro 2018–2019

Archive model 2018–2019. Probably no longer sold new. I only have the frame geometry, not the build.

I’m buying or selling this bike ↓

Geometry ?

Argon 18 Gallium Pro geometry for model years 2018, 2019. Model years are approximate: manufacturers rarely say exactly when the geometry changed.

SizeXLLMSXSXXS
Stack596575552523492474
Reach408401395389382374
Head angle73°72.7°72.7°72.7°72°71°
Head tube1851651401108575
Seat angle72.5°73°73.5°74°74.5°75.5°
Top tube (effective)596577559539519499
Seat tube595565530493455420
Chainstay410410408406406406
Wheelbase10161005990972964961
BB drop757575757065
Standover820794764730700674

Geometry source: storage.googleapis.com

Bike from a listing

Buying this bike second-hand? Enter the size, stem and spacers actually on the bike to see whether it fits you.

Selling it? Fill in the details and paste the link into your listing. Buyers will see where the bars end up, based on what you enter.

How do I measure it?

Cover + spacers: measure from the top of the head tube to the underside of the stem. That’s the headset cover plus any spacers. Length and angle are usually printed on the stem (−6° is typical, with the stem pointing down). Bar reach is on the bar manufacturer’s website. If you can’t find it, leave it at 75 mm. Spacers above the stem show how much higher the stem could still go. Leave that blank and I’ll assume it can’t go any higher.

Is it an integrated cockpit, a one-piece bar and stem? Then the stem may not be swappable. Check with the seller.

Do you ride it? Enter it as your position.