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August 04, 2026
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How to Choose Colnago Y1RS Titanium Expander Kit: Shaft Size, Spacer Config, Assembly Guide
TiNE Colnago Y1RS titanium expander kit selection and installation guide: shaft sizing per frame size (XS baseline, +0.4 g Ti per step), handlebar screw selection per spacer count (0-5 spacers, 6 M6 configs), 9-step assembly sequence from expander core to surface bolts. Shaft must be installed before surface bolts. Kit stacks with Y1RS computer mount and balance weight set. 49.4 g saved (XS + 0 spacers baseline). CNC Grade 5 Ti-6Al-4V, 13-piece, 8 colors.
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