Rear wheel parts for the Giant Roam 2 Disc (2021)

We have not verified this bike yet

6 of the 16 measurements are on file; 0 confirmed by two independent sources. Without enough evidence, fit stays “unknown.”

Only universal parts (lube, tools, bar tape) are offered for this bike until verification.

Giant Roam 2 Disc (2021)

The rear wheel of the Giant Roam 2 Disc (2021): 4 slots — Rear wheel, Rear thru-axle, Tyre and Inner tube. 0 fit facts on file for this region. The parts menu below lists every catalogued part that belongs here with its computed verdict — fits, fits with adapter, does not fit or unknown — and why.

No fit fact is on file for this region of the Giant Roam 2 Disc (2021): the verdicts of parts that depend on one read "unknown" — "unknown — safety-critical" where a guess could hurt you — until a source states it.

What does "unknown" mean on this page?: That we do not have, on file, the bike measurement this part needs. It is not a quiet "yes": until the measurement is on file, we do not sell the part for this bike.

Slots in this region

Rear wheel
Rear thru-axle
Tyre
Inner tube

Maxxis Welter Weight tube 29×1.75/2.4, Presta 48 mm
Inner tube
fits · confidence: single-source
Why? The facts we compared (1 dimension compared)
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
- Maxxis — Welter Weight Tubes — sizes (tier 1, read 2026-08-21)
View specifications
Maxxis Welter Weight tube 700×23/32, Presta 60 mm
Inner tube
fits · confidence: single-source
Why? The facts we compared (1 dimension compared)
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
- Maxxis — Welter Weight Tubes — sizes (tier 1, read 2026-08-21)
View specifications
Maxxis Welter Weight tube 700×33/50, Presta 48 mm
Inner tube
fits · confidence: single-source
Why? The facts we compared (1 dimension compared)
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
- Maxxis — Welter Weight Tubes — sizes (tier 1, read 2026-08-21)
View specifications
Maxxis Assegai 29×2.50 WT (63-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 63 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Assegai — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis High Road Gen 2 700×28C (28-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 28 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — High Road Gen 2 — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis High Road Gen 2 700×32C (32-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 32 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — High Road Gen 2 — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Minion DHF 29×2.30 (58-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 58 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Minion DHF — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Minion DHF 29×2.50 WT (63-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 63 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Minion DHF — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Rambler 700×40C (40-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 40 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Rambler — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Rambler 700×45C (45-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 45 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Rambler — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Rambler 700×50C (50-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 50 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Rambler — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Re-Fuse 700×25C (25-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 25 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Re-Fuse Gen 1 — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Re-Fuse 700×28C (28-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 28 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Re-Fuse Gen 1 — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Re-Fuse 700×32C (32-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 32 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Re-Fuse Gen 1 — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Re-Fuse 700×40C (40-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 40 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Re-Fuse Gen 1 — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Rekon 29×2.40 (61-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 61 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- Maxxis — Rekon — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
WTB Riddler 29×2.25 TCS Light/Fast Rolling (54-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 54 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- WTB — Riddler — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
WTB Venture 40×700 TCS Light/Fast Rolling (37-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 37 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- WTB — Venture — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
WTB Venture 50×700 TCS Light/Fast Rolling (47-622)
Tyre
unknown · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 47 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 700c / 29" (ISO 622) — match
Sources:
- WTB — Venture — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Assegai 27.5×2.50 WT (63-584)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 63 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 650b / 27.5" (ISO 584) — mismatch
Sources:
- Maxxis — Assegai — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis DTH 20×1.75 (44-406)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 44 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 20" / BMX (ISO 406) — mismatch
Sources:
- Maxxis — DTH — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis DTH 24×1.75 (44-507)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 44 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 24" (ISO 507) — mismatch
Sources:
- Maxxis — DTH — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Holy Roller 20×1 3/8 (37-451)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 37 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 20" 451 (ISO 451) — mismatch
Sources:
- Maxxis — Holy Roller — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Holy Roller 20×1.95 (53-406)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 53 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 20" / BMX (ISO 406) — mismatch
Sources:
- Maxxis — Holy Roller — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Holy Roller 24×1.85 (50-507)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 50 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 24" (ISO 507) — mismatch
Sources:
- Maxxis — Holy Roller — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Minion DHF 27.5×2.50 WT (63-584)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 63 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 650b / 27.5" (ISO 584) — mismatch
Sources:
- Maxxis — Minion DHF — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Rambler 650B×47 (47-584)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 47 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 650b / 27.5" (ISO 584) — mismatch
Sources:
- Maxxis — Rambler — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Rekon 27.5×2.40 (61-584)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 61 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 650b / 27.5" (ISO 584) — mismatch
Sources:
- Maxxis — Rekon — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications
Maxxis Welter Weight tube 20×1.5/2.5, Schrader 32 mm
Inner tube
does not fit · confidence: single-source
Why? The facts we compared (1 dimension compared)
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 20" / BMX (ISO 406) — mismatch
Sources:
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
- Maxxis — Welter Weight Tubes — sizes (tier 1, read 2026-08-21)
View specifications
Maxxis Welter Weight tube 24×1.5/2.5, Schrader 32 mm
Inner tube
does not fit · confidence: single-source
Why? The facts we compared (1 dimension compared)
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 24" (ISO 507) — mismatch
Sources:
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
- Maxxis — Welter Weight Tubes — sizes (tier 1, read 2026-08-21)
View specifications
Maxxis Welter Weight tube 26×1.50/2.50, Presta 48 mm
Inner tube
does not fit · confidence: single-source
Why? The facts we compared (1 dimension compared)
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 26" MTB (ISO 559) — mismatch
Sources:
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
- Maxxis — Welter Weight Tubes — sizes (tier 1, read 2026-08-21)
View specifications
Maxxis Welter Weight tube 27.5×1.75/2.4, Presta 48 mm
Inner tube
does not fit · confidence: single-source
Why? The facts we compared (1 dimension compared)
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 650b / 27.5" (ISO 584) — mismatch
Sources:
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
- Maxxis — Welter Weight Tubes — sizes (tier 1, read 2026-08-21)
View specifications
WTB Venture 47×650 TCS Light/Fast Rolling (44-584)
Tyre
does not fit · confidence: single-source
Why? The facts we compared (2 dimensions compared)
- Maximum tyre width (frame): bike nothing on file · part ≥ 44 mm — not on file
- Wheel size (ISO bead seat): bike 700c / 29" (ISO 622) (single-source) · part 650b / 27.5" (ISO 584) — mismatch
Sources:
- WTB — Venture — sizes and specifications (tier 1, read 2026-08-21)
- Giant Bicycles — Roam 2 Disc (2021) — specifications (tier 1, read 2026-08-21)
View specifications

Slots in this region

Parts menu — 33 parts