2025 Giant Fathom 1 specs
Typical OEM snapshot — we do not have a verified spec sheet for this exact year yet. Confirm on the bike. OnTrack Cycling, Newcastle upon Tyne.
- Bike type
- MTB / Mountain
- Year
- 2025
- Wheel size
- 27.5in typical
- Tyre size
- 27.5 x 2.5 typical
- Groupset
- SRAM SX typical
- Speeds
- 1x12 typical
- Cassette
- 11-50 typical
- Brake type
- Hydraulic disc