Garmin
Garmin Forerunner 165 Band Size — 20mm Lug Width
The Garmin Forerunner 165 has a 20mm lug width, so it takes a 20mm watch band.
Lug width20mm
| Lug width | 20 mm |
|---|---|
| Case size | 43 mm |
| Lug-to-lug | — |
| Thickness | — |
| Spring bar Ø (typical) | Not confirmed |
| End type | Straight |
Strap styles that fit
- NATO / Zulu20mm fits if the strap's thickness clears the case under the bars.
- PerlonWoven pass-through, 20mm.
- 2-piece leatherStraight ends fit flush.
- Rubber / siliconeDivers & sports fit well.
- Milanese / meshStraight-end 20mm mesh fits.
- Metal braceletNeeds 20mm end-links shaped for this case.
▲ 20mm quick-release bands.
Fit & sizing notes for the Forerunner 165
- Width: buy 20mm straps. Tapered straps listed as 20/18mm or 20/16mm fit too; only the first number has to match. See strap sizes explained.
- Spring bars: 20mm long. We haven't confirmed the diameter for this model, so measure the old bar before buying replacements (spring bar sizes).
- Every Garmin model: see our Garmin band size guide for which bands fit each one.
Sources & corrections
Lug width checked against: Coolblue: 20mm strap for Forerunner 55/165; i-Run: Garmin 20mm band (FR55, FR165). Last checked 24 October 2026.
Spec wrong for your watch? Send us a correction with your reference number.
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Garmin Forerunner 165 — band questions
What size strap does the Forerunner 165 take?
The Garmin Forerunner 165 has a 20mm lug width, so you need a 20mm watch strap.
Will any 20mm strap fit the Forerunner 165?
Most will. Width is the main thing to match, but also check that the strap's spring-bar holes suit the bars, and that the strap is thin enough to clear the case between the lugs. A metal bracelet needs 20mm end-links made for this model.
What spring bar size does the Forerunner 165 use?
20mm long. We haven't confirmed the diameter for the Forerunner 165, so measure the original bar with calipers before buying replacements.
Is the Forerunner 165 good for strap swapping?
Yes. With standard 20mm spring-bar lugs, NATO, leather, rubber and mesh straps can all be fitted with a spring-bar tool.