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Archive · Specialized · Diverge

Specialized Diverge Carbon 2018–2020

Archive model 2018–2020. Probably no longer sold new. I only have the frame geometry, not the build.

I’m buying or selling this bike ↓

Geometry ?

Specialized Diverge Carbon geometry for model years 2018, 2019, 2020. Model years are approximate: manufacturers rarely say exactly when the geometry changed.

Size48525456586164
Stack569574592613639662678
Reach360367373379385392401
Head angle70.8°71°71.9°72.5°72.5°72.8°73°
Head tube1081281551781949095
Seat angle73°73.5°73.5°73.5°73.5°74°74°
Top tube (effective)524532549561575589609
Seat tube405440473500525555585
Chainstay419419421421421421423
Wheelbase100410041011102510361049997
BB drop85858585858585
Fork offset50505050505555
Trail55565858626264
Standover704726752776801815846

Geometry source: specialized.com

Future Shock (travel 20 mm) is already part of the published stack, so I sit the stem directly on it, with no more than 30 mm of cover and spacers underneath. This is an estimate: once the unit sags under your weight, the bars end up a few millimetres lower.

Current successor: Specialized Diverge 4 (carbon) (2026)

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?

Spacers: only what sits between the Future Shock unit and the stem, plus the taller 15 mm cover if fitted (0–30 mm). 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.