BuildMyMTB
Prototype - Evolving Daily

Specialized Frame

3 models, 4 verified variants. Only rows checked against Specialized’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.

ModelVariantsRear axleBottom bracketSeatpostMaximum tireWheel sizesBrake systemBrake mountSteererPrice (MSRP)
Specialized Allez112x142Bottom-bracket shell bsa-roadTakes a 27.2 mm seatpostTire up to 35 mm (maker-stated maximum)Built for 700c wheelsDisc-flatFlat-mountTapered (1.5-1.125)$1,200.00
Specialized Roubaix Expert Frameset112x142Bottom-bracket shell bsa-roadProprietaryTire up to 33 mm (maker-stated maximum)Built for 700c wheelsDisc-flatFlat-mountTapered (1.5-1.125)$2,400.00
Specialized S-Works Tarmac SL8 Frameset212x142Bottom-bracket shell bsa-roadProprietaryTire up to 32 mm (maker-stated maximum)Built for 700c wheelsDisc-flatFlat-mountTapered (1.5-1.125)$3,500.00 to $5,499.99

Source for every row: Specialized’s own product pages, last checked between 2026-07-21 and 2026-07-23.

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.

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