BuildMyMTB
Prototype - Evolving Daily

Ritchey Alpine JB WCS Front Tire

What the checker says3will not fit6check 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 721 verified gravel bike parts in this catalog. 683 produced no finding of any kind.

Will not fit

  • Will not fiterror · Rear WheelWheel size mismatch: Rear wheel = 650b, Front tire = 700c. A road or gravel build runs one wheel size end to end. On 11 of the 68 verified rear wheels in this catalog.
  • Will not fiterror · Front WheelWheel size mismatch: Front wheel = 650b, Front tire = 700c. A road or gravel build runs one wheel size end to end. On 8 of the 56 verified front wheels in this catalog.
  • Will not fiterror · FrameUnsupported wheel size: Bombtrack Hook EXT supports 650b, but this build is 700c. On 1 of the 69 verified frames in this catalog.

Check before you buy

  • Check before you buywarning · Front WheelFront tire width: 30mm is below the wheel maker's recommended minimum of 40mm for this rim. On 6 of the 56 verified front wheels in this catalog.
  • Check before you buywarning · Front WheelFront tire width: 30mm is below the wheel maker's recommended minimum of 32mm for this rim. On 5 of the 56 verified front wheels in this catalog.
  • Check before you buywarning · Front WheelFront tire width: 30mm is below the wheel maker's recommended minimum of 35mm for this rim. On 5 of the 56 verified front wheels in this catalog.
  • Check before you buywarning · Front WheelFront tire width: 30mm is below the wheel maker's recommended minimum of 38mm for this rim. On 3 of the 56 verified front wheels in this catalog.
  • Check before you buywarning · Front WheelFront tire width: 30mm is below the wheel maker's recommended minimum of 36mm for this rim. On 1 of the 56 verified front wheels in this catalog.
  • Check before you buywarning · Front WheelFront tire width: 30mm is below the wheel maker's recommended minimum of 44mm for this rim. On 1 of the 56 verified front wheels in this catalog.
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.
Ritchey Alpine JB WCS
Photo: Ritchey

$67.95 MSRP·327 g

What the maker states

Wheel
Built for a 700c wheel
Width
Tire width 30
Tubeless
Ready (maker-stated)
The rest of what the maker states2 not published

2 further fields the checker looks for are not published by Ritchey, so we leave them blank rather than estimate them, and those 2 checks stay silent on this front tire. They are casing and compound. Each is recorded as “not stated by the maker (not checked)”.

Source: the maker’s page. Last checked 2026-08-25.

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 423 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

Ritchey Alpine JB WCS is the first model on that list.Next: Ritchey SpeedMax WCSAll Ritchey tiresOpen a variant in the builder to see the ones that apply to your own parts