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e*thirteen Race Alloy e*spec rear hub (Boost148, XD) Rear Hub

Rear Hub: Hub spacing Boost 148x12; Freehub / driver SRAM XD. 1 verified variant.

What the checker says47will not fit177worth knowing

Run variant by variant through the mountain 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 6050 verified mountain bike parts in this catalog. 5800 produced no finding of any kind.

Will not fit

  • Will not fiterror · FrameRear axle mismatch: Frame is SuperBoost 157x12 but Rear wheel hub is Boost 148x12. On 21 of the 258 verified frames in this catalog.
  • Will not fiterror · FrameRear axle mismatch: Frame is 135x5-qr but Rear wheel hub is Boost 148x12. On 5 of the 258 verified frames in this catalog.
  • Will not fiterror · FrameRear axle mismatch: Frame is 10x135 bolt-on but Rear wheel hub is Boost 148x12. On 2 of the 258 verified frames in this catalog.
  • Will not fiterror · FrameRear axle mismatch: Frame is 150x12 (DH, pre-Boost) but Rear wheel hub is Boost 148x12. On 2 of the 258 verified frames in this catalog.

Freehub, Cassette. 43 more findings from the same check, on up to 1 of the 60 verified cassettes each.

Open a variant in the builder to see the ones that apply to your own parts.

Worth knowing

    Rear rotor interface unstated, Rear Rotor. 177 more findings from the same check, on up to 1 of the 177 verified rotors each.

    Open a variant in the builder to see the ones that apply to your own parts.

    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.

    $309.95 MSRP·445 g

    What the maker states

    Freehub
    / driver SRAM XD
    Hub
    Spacing Boost 148x12
    The rest of what the maker states2 not published

    2 further fields the checker looks for are not published by e*thirteen, so we leave them blank rather than estimate them, and those 2 checks stay silent on this rear hub. They are rotor mount and maximum system weight. Each is recorded as “not stated by the maker (not checked)”.

    Source: the maker’s page. Last checked 2026-09-08.

    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 1879 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

    e*thirteen Race Alloy e*spec rear hub (Boost148, XD) is the first model on that list.Next: e*thirteen Sidekick Rear MTB HubAll e*thirteen rear hubsOpen a variant in the builder to see the ones that apply to your own parts