Great value mountain bike wheel for aggressive e-mtb riders Suitable for trail/all-mountain and enduro 30mm internal rim width 27.5 and 29" wheel sizes Built on Race Face extra rugged eTrace hubs made specially for e-mtbs Tubeless ready 28 spoke count Boost and super-boost spacing available Shimano HG, Shimano MicroSpline and SRAM XD freehub options Weight - 2105g (27.5" set), 2190g (29" set) Only rear wheel is e-mtb specific - you will find the front wheel listed under code RFAEFFECT Lifetime Warranty Cover The Race Face brand was born out of making durable products that riders could count on, more than any other brand. With the introduction of their new Lifetime Warranty, Race Face is returning to our roots of putting riders first and having their backs. If one with a Lifetime Warranty Cover fails or is rendered non-functional after a crash, we will replace it ASAP.