Vitus Substance GRX Frame
What the checker says100will not fit8check before you buy35worth 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 789 verified gravel bike parts in this catalog. 560 produced no finding of any kind.
Will not fit
- Will not fiterror · Front TireUnsupported wheel size: Vitus Substance GRX supports 700c, but this build is 650b. On 29 of the 137 verified tires in this catalog.
- Will not fiterror · Rear TireUnsupported wheel size: Vitus Substance GRX supports 700c, but this build is 650b. On 29 of the 137 verified tires in this catalog.
- Will not fiterror · Rear WheelUnsupported wheel size: Vitus Substance GRX supports 700c, but this build is 650b. On 11 of the 68 verified rear wheels in this catalog.
- Will not fiterror · Front WheelUnsupported wheel size: Vitus Substance GRX supports 700c, but this build is 650b. On 8 of the 56 verified front wheels in this catalog.
- Will not fiterror · Dropper PostDropper too big: Vitus Substance GRX's seat tube is 30.9mm but Wolf Tooth Resolve is 31.6mm - a bigger post cannot fit a smaller tube. On 4 of the 40 verified dropper posts in this catalog.
Rg seatpost, Seatpost. 31 more findings from the same check, on up to 1 of the 33 verified seatposts each.
Rg seatpost, Dropper Post. 25 more findings from the same check, on up to 1 of the 40 verified dropper posts each.
Rg bb shell, Bottom Bracket. 23 more findings from the same check, on up to 1 of the 29 verified bottom brackets each.
Rg brake mount, Rear Caliper. 11 more findings from the same check, on up to 1 of the 27 verified calipers each.
Rg steerer, Fork. 4 more findings from the same check, on up to 1 of the 30 verified forks each.
Rg rear axle, Rear Wheel. 1 more finding from the same check, on up to 1 of the 68 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: 45mm tire is wider than Vitus Substance GRX's 40mm frame max. On 15 of the 137 verified tires in this catalog.
- Check before you buywarning · Rear TireTire clearance: 50mm tire is wider than Vitus Substance GRX's 40mm frame max. On 11 of the 137 verified tires in this catalog.
- Check before you buywarning · Rear TireTire clearance: 42mm tire is wider than Vitus Substance GRX's 40mm frame max. On 6 of the 137 verified tires in this catalog.
- Check before you buywarning · Rear TireTire clearance: 44mm tire is wider than Vitus Substance GRX's 40mm frame max. On 5 of the 137 verified tires in this catalog.
- Check before you buywarning · Rear TireTire clearance: 55mm tire is wider than Vitus Substance GRX's 40mm frame max. On 4 of the 137 verified tires in this catalog.
- Check before you buywarning · Rear TireTire clearance: 48mm tire is wider than Vitus Substance GRX's 40mm frame max. On 3 of the 137 verified tires in this catalog.
- Check before you buywarning · Rear TireTire clearance: 56mm tire is wider than Vitus Substance GRX's 40mm frame max. On 2 of the 137 verified tires in this catalog.
- Check before you buywarning · Rear TireTire clearance: 60mm tire is wider than Vitus Substance GRX's 40mm frame max. On 1 of the 137 verified tires in this catalog.
Worth knowing
Rg bb advisory, Crankset. 32 more findings from the same check, on up to 1 of the 32 verified cranksets each.
Rg xplr udh, Rear Derailleur. 3 more findings from the same check, on up to 1 of the 20 verified rear derailleurs each.
Open a variant in the builder to see the ones that apply to your own parts.
$2,350.00 MSRP·1850 g
What the maker states
- Rear axle
- 12x142
- Bottom bracket
- Bottom-bracket shell bsa-road
- Seatpost
- Takes a 30.9 mm seatpost
- Wheel sizes
- Built for 700c wheels
- Brake system
- Disc-flat
- Brake mount
- Flat-mount
The rest of what the maker states5 stated·6 not published
- Steerer Tapered (1.5-1.125).
- Tire up to 40 mm on 700c (maker-stated maximum).
- Front-derailleur mount braze-on.
- Sold as a frameset, not a bare frame.
- alloy construction.
6 further fields the checker looks for are not published by Vitus, so we leave them blank rather than estimate them, and those 6 checks stay silent on this frame. They are maximum tire basis, maximum rear rotor, dropout type, udh, drive mode and gearbox mount. Each is recorded as “not stated by the maker (not checked)”.
Source: the maker’s page. Last checked 2026-07-23.
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) No conflicts found
- 8bar Gravel Carbon Disc Fork v2 (Fork) No conflicts found
- 9point8 Fall Line R (Dropper Post) No conflicts found
- Acros ZS44/28.6 | EC44/40 Headset (Headset) No conflicts found
- BikeYoke Divine SL Rascal (Dropper Post) No conflicts found
- BMC URS 01 D-Shaped Seatpost (Seatpost) Will not fit
6 of 442 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.