BuildMyMTB
Prototype - Evolving Daily

Easton Crankset

1 model, 1 verified variant. Only rows checked against Easton’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.

ModelVariantsBottom bracketChainlineChainringsRingSpeedsPrice (MSRP)
Easton EC90 SL (1x, 40T Direct Mount, 172.5mm)1Bottom-bracket interface 30 mm spindle47 mm1x chainringChainring 40 teeth12-speed (rear index count the maker rates it for)$449.99

Source for every row: Easton’s own product pages, last checked on 2026-08-01.

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 gravel bike build in the builder