Commencal FCB Frame
What the checker says182will not fit10check before you buy85worth knowing
Run variant by variant through the gravel bike builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.
Checked against 807 verified gravel bike parts in this catalog. 581 produced no finding of any kind. Each variant produces 91 distinct errors and 5 distinct warnings.
Will not fit
- Will not fiterror · Front TireUnsupported wheel size: Commencal FCB Essential supports 700c, but this build is 650b. On 30 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Front TireUnsupported wheel size: Commencal FCB Origin supports 700c, but this build is 650b. On 30 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Rear TireUnsupported wheel size: Commencal FCB Essential supports 700c, but this build is 650b. On 30 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Rear TireUnsupported wheel size: Commencal FCB Origin supports 700c, but this build is 650b. On 30 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Rear WheelUnsupported wheel size: Commencal FCB Essential supports 700c, but this build is 650b. On 12 of the 71 verified rear wheels in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Rear WheelUnsupported wheel size: Commencal FCB Origin supports 700c, but this build is 650b. On 12 of the 71 verified rear wheels in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Front WheelUnsupported wheel size: Commencal FCB Essential supports 700c, but this build is 650b. On 9 of the 58 verified front wheels in this catalog. Applies to 1 of 2 variants.
- Will not fiterror · Front WheelUnsupported wheel size: Commencal FCB Origin supports 700c, but this build is 650b. On 9 of the 58 verified front wheels in this catalog. Applies to 1 of 2 variants.
Rg bb shell, Bottom Bracket. 48 more findings from the same check, on up to 1 of the 30 verified bottom brackets each.
Rg seatpost, Dropper Post. 34 more findings from the same check, on up to 4 of the 40 verified dropper posts each.
Rg seatpost, Seatpost. 30 more findings from the same check, on up to 1 of the 33 verified seatposts each.
Rg brake mount, Rear Caliper. 22 more findings from the same check, on up to 1 of the 27 verified calipers each.
Rg fd mount, Front Derailleur. 22 more findings from the same check, on up to 1 of the 11 verified front derailleurs each.
Rg steerer, Fork. 8 more findings from the same check, on up to 1 of the 31 verified forks each.
Rg xplr udh, Rear Derailleur. 6 more findings from the same check, on up to 1 of the 20 verified rear derailleurs each.
Rg rear axle, Rear Wheel. 4 more findings from the same check, on up to 2 of the 71 verified rear wheels each.
Open a variant in the builder to see the ones that apply to your own parts.
Check before you buy
- Check before you buywarning · Rear TireTire clearance: 50mm tire is wider than Commencal FCB Essential's 47mm frame max. On 11 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 50mm tire is wider than Commencal FCB Origin's 47mm frame max. On 11 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 55mm tire is wider than Commencal FCB Essential's 47mm frame max. On 4 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 55mm tire is wider than Commencal FCB Origin's 47mm frame max. On 4 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 48mm tire is wider than Commencal FCB Essential's 47mm frame max. On 3 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 48mm tire is wider than Commencal FCB Origin's 47mm frame max. On 3 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 56mm tire is wider than Commencal FCB Essential's 47mm frame max. On 2 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
- Check before you buywarning · Rear TireTire clearance: 56mm tire is wider than Commencal FCB Origin's 47mm frame max. On 2 of the 142 verified tires in this catalog. Applies to 1 of 2 variants.
Rg tire clearance, Rear Tire. 2 more findings from the same check, on up to 1 of the 142 verified tires each.
Open a variant in the builder to see the ones that apply to your own parts.
Worth knowing
Rg headset advisory, Fork. 52 more findings from the same check, on up to 2 of the 31 verified forks each.
Rg bb advisory, Crankset. 33 more findings from the same check, on up to 1 of the 33 verified cranksets each.
Open a variant in the builder to see the ones that apply to your own parts.
$1,900.00 to $2,300.00 MSRP·10400 g
What the maker states
- Rear axle
- 12x142
- Bottom bracket
- Bottom-bracket shell bsa-road
- Seatpost
- Takes a 27.2 mm seatpost
- UDH
- The maker does not state a UDH dropout
- Wheel sizes
- Built for 700c wheels
- Brake system
- Disc-flat
2 verified variants
| Variant | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|
| FCB Essential (2025) | $2,300.00 | 10400 g | maker’s page | 2026-09-04 | Build with this |
| FCB Origin (2025) | $1,900.00 | 10400 g | maker’s page | 2026-09-04 | Build with this |
The rest of what the maker states7 stated·14 not published
- Brake mount flat-mount.
- Steerer Tapered (1.5-1.125).
- Tire up to 47 mm on 700c (maker-stated maximum).
- Front-derailleur mount none.
- Maximum tire basis: label.
- Sold as a frameset, not a bare frame.
- alloy construction.
14 further fields the checker looks for are not published by Commencal, so we leave them blank rather than estimate them, and those 14 checks stay silent on this frame. They are maximum rear rotor, minimum rear rotor, head tube upper, head tube lower, headset included, headset included model, headset included part, maximum fork travel, minimum fork travel, design fork travel, fork travel hard, dropout type, drive mode and gearbox mount. Each is recorded as “not stated by the maker (not checked)”.
Source: each variant links the maker’s own page in the table above. Last checked 2026-09-04.
Checked against
The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.
- 3T Fango LTD (Fork) Worth knowing
- 8bar Gravel Carbon Disc Fork v2 (Fork) Worth knowing
- 9point8 Fall Line R (Dropper Post) Will not fit
- Acros ZS44/28.6 | EC44/40 Headset (Headset) No conflicts found
- BikeYoke Divine SL Rascal (Dropper Post) Will not fit
- BMC URS 01 D-Shaped Seatpost (Seatpost) Will not fit
6 of 455 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.