BuildMyMTB
Prototype - Evolving Daily

e*thirteen Rear Hub

5 models, 19 verified variants. Only rows checked against e*thirteen’s own page are listed.

A value shown as a set or a range differs between this model’s variants and is never one variant’s spec. A cell marked not stated is a field the maker does not publish, so nothing here checks it.

ModelVariantsFreehubRotor mountHubPrice (MSRP)
e*thirteen Race Alloy e*spec rear hub (Boost148, XD)1/ driver SRAM XDnot statedSpacing Boost 148x12$309.95
e*thirteen Sidekick Rear MTB Hub6/ driver Shimano HG (on 2 of 6 variants); / driver Shimano Micro Spline (on 2 of 6 variants); / driver SRAM XD (on 2 of 6 variants)6-boltSpacing Boost 148x12 (on 3 of 6 variants); Spacing SuperBoost 157x12 (on 3 of 6 variants)$249.95
e*thirteen Sidekick GR Rear MTB Hub6/ driver Shimano HG (on 2 of 6 variants); / driver Shimano Micro Spline (on 2 of 6 variants); / driver SRAM XD (on 2 of 6 variants)6-boltSpacing Boost 148x12 (on 3 of 6 variants); Spacing SuperBoost 157x12 (on 3 of 6 variants)$399.95
e*thirteen Sidekick Pro Rear MTB Hub4/ driver Shimano Micro Spline (on 2 of 4 variants); / driver SRAM XD (on 2 of 4 variants)6-boltSpacing Boost 148x12 (on 2 of 4 variants); Spacing SuperBoost 157x12 (on 2 of 4 variants)$349.95
e*thirteen Sidekick Pro SP Rear MTB Hub (Boost148,2/ driver Shimano Micro Spline (on 1 of 2 variants); / driver SRAM XD (on 1 of 2 variants)6-boltSpacing Boost 148x12$349.95

Source for every row: e*thirteen’s own product pages, last checked on 2026-09-08.

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.

Check a whole mountain bike build in the builder