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Archive · Felt

Felt F4X, F65X F85X 2017

Archive model 2017. Probably no longer sold new. I only have the frame geometry, not the build.

I’m buying or selling this bike ↓

Geometry ?

Felt F4X, F65X F85X geometry for model year 2017. Model years are approximate: manufacturers rarely say exactly when the geometry changed.

Size47505355
Stack523533544568
Reach380382384397
Head angle70.5°70.5°71°72°
Head tube110120130150
Seat angle75.5°74.5°73.5°73.5°
Top tube (effective)515530545565
Seat tube (c-t)470500530550
Chainstay430430430430
Wheelbase1022102810291033
BB drop65656565
Fork offset50505045
Standover726750775796

Geometry source: riteway-jp.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.