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DT Swiss G1800 Spline Rear Wheel

What the checker says77will not fit7check before you buy

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 790 verified gravel bike parts in this catalog. 708 produced no finding of any kind; that is G1800 Spline. G1800 Spline 25 650b clears 559. Each variant produces 23 to 55 distinct errors and 3 to 4 distinct warnings.

Will not fit

  • Will not fiterror · Front TireWheel size mismatch: Rear wheel = 650b, Front tire = 700c. A road or gravel build runs one wheel size end to end. On 108 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Will not fiterror · Rear TireWheel size mismatch: Rear wheel = 650b, Rear tire = 700c. A road or gravel build runs one wheel size end to end. On 108 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Will not fiterror · Front WheelWheel size mismatch: Front wheel = 700c, Rear wheel = 650b. A road or gravel build runs one wheel size end to end. On 48 of the 56 verified front wheels in this catalog. Applies to 1 of 2 variants.
  • Will not fiterror · Front TireWheel size mismatch: Rear wheel = 700c, Front tire = 650b. A road or gravel build runs one wheel size end to end. On 29 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Will not fiterror · Rear TireWheel size mismatch: Rear wheel = 700c, Rear tire = 650b. A road or gravel build runs one wheel size end to end. On 29 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Will not fiterror · Rear RotorRear rotor: a 6-bolt rotor does not mount on a Center Lock hub as it is - the two use different rotor interfaces. The part that bridges them is a Center Lock adapter, and the ones makers publish fit one-piece rotors only. A shim or adapter may make other sizes or standards work, but that is a modification, not a fit. On 19 of the 30 verified rotors in this catalog. Applies to all 2 variants.
  • Will not fiterror · Front WheelWheel size mismatch: Front wheel = 650b, Rear wheel = 700c. A road or gravel build runs one wheel size end to end. On 8 of the 56 verified front wheels in this catalog. Applies to 1 of 2 variants.

Rg wheel size, Frame. 33 more findings from the same check, on up to 1 of the 69 verified frames each.

Rg freehub, Cassette. 22 more findings from the same check, on up to 1 of the 18 verified cassettes each.

Rg rear axle, Frame. 8 more findings from the same check, on up to 1 of the 69 verified frames each.

Rg wheel size, Fork. 7 more findings from the same check, on up to 2 of the 30 verified forks 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: 55mm tire is wider than DT Swiss G1800 Spline 25 650b's 53mm rim max. On 5 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Check before you buywarning · Rear TireTire clearance: 55mm tire is wider than DT Swiss G1800 Spline's 50mm rim max. On 5 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Check before you buywarning · Rear TireTire clearance: 60mm tire is wider than DT Swiss G1800 Spline 25 650b's 53mm rim max. On 3 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Check before you buywarning · Rear TireTire clearance: 60mm tire is wider than DT Swiss G1800 Spline's 50mm rim max. On 3 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Check before you buywarning · Rear TireTire clearance: 56mm tire is wider than DT Swiss G1800 Spline 25 650b's 53mm rim max. On 2 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Check before you buywarning · Rear TireTire clearance: 56mm tire is wider than DT Swiss G1800 Spline's 50mm rim max. On 2 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
  • Check before you buywarning · Rear TireTire clearance: 53mm tire is wider than DT Swiss G1800 Spline's 50mm rim max. On 1 of the 137 verified tires in this catalog. Applies to 1 of 2 variants.
The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.

$296.00 to $480.00 MSRP·971 g

What the maker states

Wheel
Built for a 650b wheel (on 1 of 2 variants); Built for a 700c wheel (on 1 of 2 variants)
Freehub
/ driver hg-road (on 1 of 2 variants); / driver xdr (on 1 of 2 variants)
Rotor mount
Center-lock
Internal width
Internal rim width 24 mm
Hub
Spacing 12x142
Brake system
Disc

A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.

2 verified variants

VariantWheelFreehubMaximum tirePrice (MSRP)WeightSourceLast checkedBuild
G1800 SplineBuilt for a 700c wheel/ driver xdrTire up to 50 mm (maker-stated maximum)$480.00971 gmaker’s page2026-07-21Build with this
G1800 Spline 25 650bBuilt for a 650b wheel/ driver hg-roadTire up to 53 mm (maker-stated maximum)$296.00971 gmaker’s page2026-07-23Build with this
The rest of what the maker states1 stated·2 not published
  • Tire up to 50 mm (maker-stated maximum) (on 1 of 2 variants); Tire up to 53 mm (maker-stated maximum) (on 1 of 2 variants).

2 further fields the checker looks for are not published by DT Swiss, so we leave them blank rather than estimate them, and those 2 checks stay silent on this rear wheel. They are minimum tire and maximum tire basis. 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 2026-07-21 to 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.

6 of 457 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.

Where this sits

DT Swiss G1800 Spline is the first model on that list.Next: DT Swiss GR 1600 SplineAll DT Swiss rear wheelsOpen a variant in the builder to see the ones that apply to your own parts