
FSA Gossamer SB20 Seatpost Black, 31.6mm, 350mm
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2012 archived details
Clues, not proof of model year. Colors vary and components may have been replaced.
| Frame Material | Xm Metal Aluminum |
|---|---|
| Fork | Rock Shox Recon Silver R 100mm |
| Shifters | SRAM X7 9spd trigger |
|---|---|
| Front Derailleur | E*13 LS1 |
| Rear Derailleur | SRAM X7 9spd |
| Crankset | FSA Moto-X |
| Bottom Bracket | FSA MegaExo |
| Cassette | SRAM PG-950 9spd 11-26t |
| Chain | KMC X-9 |
| Pedals | All Terra Slimline |
| Brakes | Avid Elixir 1 180mm |
|---|
| Headset | FSA Gravity 1.5''to 1 1/8'' |
|---|---|
| Handlebar | All Terra Al-6061 |
| Stem | All Terra 3D |
| Saddle | WTB Volt Comp |
| Seatpost | All Terra Microadjust 31.6mm |
| Rims | Alex SX44 32H |
|---|---|
| Front Tire | Maxxis High Roller 2.35 |
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Original gearing is incomplete. Enter your setup to calculate ratios and cadence speeds.
Your changes apply to this calculation. The archived build stays unchanged.
| Measure | Original | Your setup |
|---|---|---|
| Lowest ratio | — | — |
| Highest ratio | — | — |
| Total range | — | — |
| Lowest-gear speed | — | — |
| Highest-gear speed | — | — |
Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.
Parts & serviceability

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Archived specifications for reference. Check the fitted parts before ordering.
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Archived: Frame: Xm Metal Aluminum · Fork: Rock Shox Recon Silver R 100mm
Archived: Fork: Rock Shox Recon Silver R 100mm
Archived: Shifters: SRAM X7 9spd trigger · Front derailleur: E*13 LS1 · Rear derailleur: SRAM X7 9spd · Crankset: FSA Moto-X · Bottom bracket: FSA MegaExo · Cassette: SRAM PG-950 9spd 11-26t · Chain: KMC X-9
Archived: Brakes: Avid Elixir 1 180mm
Archived: Rims: Alex SX44 32H · Front tire: Maxxis High Roller 2.35
Archived: Headset: FSA Gravity 1.5''to 1 1/8'' · Handlebar: All Terra Al-6061 · Stem: All Terra 3D · Seatpost: All Terra Microadjust 31.6mm · Saddle: WTB Volt Comp · Pedals: All Terra Slimline
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