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2GT 20T x 5mm Bore Toothed Idler

Used in

RailCore II: I) Y Rail Installation
RailCore II: J) X/Y Steppers and Idlers
RailCore® Mini Kit: I) Y Rail Installation

RailCore® II and RailCore® Mini by J. Steve White, Tony Akens and Ben Withem. Guides licensed CC BY-SA 4.0 (first published on Dozuki under CC BY 3.0 US). Archived from railcore.dozuki.com (shut down 2026-11-20); content unchanged. About this archive.