Does this part fit my bike?

Find your bike under "Fits these bikes" below, or open your bike's "Seatpost" region page. The verdict there is computed from this part's requirements against the bike's cited facts — with its confidence and sources.

What does "does not fit" mean here?

That a fact on file for the bike contradicts a requirement of this part — a confident no, with both values shown.

PNW Components Loam dropper post Gen 2, 31.6 mm × 150 mm

PNW Components dropper post. Needs from your bike: Seatpost diameter, Dropper-post routing and Seatpost shape.

The PNW Components Loam dropper post Gen 2, 31.6 mm × 150 mm is a dropper post (component). It requires 3 things of a bike — Seatpost diameter, Dropper-post routing and Seatpost shape — read from PNW Components. On every bike page its verdict is computed from those requirements against the bike's cited facts: when a fact is missing the answer is "unknown", never a guess.

Requires — Seatpost diameter	31.6 mm
Requires — Dropper-post routing	Internal (stealth) routing
Requires — Seatpost shape	Round

Does this part fit my bike?: Find your bike under "Fits these bikes" below, or open your bike's "Seatpost" region page. The verdict there is computed from this part's requirements against the bike's cited facts — with its confidence and sources.
What does "does not fit" mean here?: That a fact on file for the bike contradicts a requirement of this part — a confident no, with both values shown.

Standards

31.6 mm
Internal (stealth) routing
Round

Needs from your bike: Seatpost diameter: 31.6 mm · Seatpost shape: Round · Dropper-post routing: Internal (stealth) routing

Dropper post

Find this part

Choose the right variant and check the fit for your bike.

Fits these bikes

Brompton C Line 12-speed (2025)	unknown · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike nothing on file · part Round — not on file Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Canyon Grail CF SL 7 (2025)	unknown · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike nothing on file · part Round — not on file Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Canyon Ultimate CF 7 (2025)	unknown · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike nothing on file · part Round — not on file Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
State Bicycle Co. Core-Line (2024)	unknown · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike nothing on file · part Round — not on file Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Tern Quick Haul D8 (2025)	unknown · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 31.6 mm (single-source) · part 31.6 mm — match Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: Tern Bicycles — Quick Haul D8 — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
woom GO 4 (2025)	unknown · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike nothing on file · part Round — not on file Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Giant Defy Advanced 2 (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike D-shaped (single-source) · part Round — mismatch Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21) Giant Bicycles — Defy Advanced 2 (2025) — specifications (tier 1, read 2026-08-21)
Giant Escape 3 (2024)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 27.2 mm (single-source) · part 31.6 mm — mismatch Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: Giant Bicycles — Escape 3 (2024) — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Giant Fathom 29 2 (2022)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 30.9 mm (single-source) · part 31.6 mm — mismatch Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike Internal (stealth) routing (single-source) · part Internal (stealth) routing — match Sources: Giant Bicycles — Fathom 29 2 (2022) — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Giant Glory Advanced (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 30.9 mm (single-source) · part 31.6 mm — mismatch Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: Giant Bicycles — Glory Advanced (2025) — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Giant Propel Advanced 2 (2027)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike Aero / proprietary section (single-source) · part Round — mismatch Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21) Giant Bicycles — Propel Advanced 2 (2027) — specifications (tier 1, read 2026-08-21)
Giant Reign 29 2 (2021)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 30.9 mm (single-source) · part 31.6 mm — mismatch Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: Giant Bicycles — Reign 29 2 (2021) — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Giant Revolt Advanced 2 (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike D-shaped (single-source) · part Round — mismatch Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21) Giant Bicycles — Revolt Advanced 2 (2025) — specifications (tier 1, read 2026-08-21)
Giant Roam 2 Disc (2021)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike D-shaped (single-source) · part Round — mismatch Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21) Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
Giant Talon 2 (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 30.9 mm (single-source) · part 31.6 mm — mismatch Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: Giant Bicycles — Talon 2 (2025) — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Giant Talon E+ (2026)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 30.9 mm (single-source) · part 31.6 mm — mismatch Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: Giant Bicycles — Talon E+ (2026) — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Giant TCX Advanced Pro 2 (2023)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike nothing on file · part 31.6 mm — not on file Seatpost shape: bike D-shaped (single-source) · part Round — mismatch Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21) Giant Bicycles — TCX Advanced Pro 2 (2023) — specifications (tier 1, read 2026-08-21)
Giant Trance X 29 2 (2022)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 30.9 mm (single-source) · part 31.6 mm — mismatch Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: Giant Bicycles — Trance X 29 2 (2022) — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Giant XTC Jr 24 (2015)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 27.2 mm (single-source) · part 31.6 mm — mismatch Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: Giant Bicycles — XTC Jr 24 (2015) — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)
Kona Sutra (2025)	does not fit · confidence: single-source Why? The facts we compared (3 dimensions compared) Seatpost diameter: bike 27.2 mm (single-source) · part 31.6 mm — mismatch Seatpost shape: bike Round (single-source) · part Round — match Dropper-post routing: bike nothing on file · part Internal (stealth) routing — not on file Sources: Kona Bikes — Sutra (2025) — specifications (tier 1, read 2026-08-21) PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)

See all 23 bikes

Sources

The spec sheets we read. Every fact above cites one of them.

PNW Components — Loam Dropper Post Gen 2 (tier 1, read 2026-08-21)