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August 03, 2026
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Colnago Y1RS Expander Bolt Kit Titanium 49.1 g vs Stock 98.5 g (49.4 g Saved)
TiNE titanium Colnago Y1RS expander bolt kit: 49.1 g vs 98.5 g stock (XS + 0 spacers), saving 49.4 g — over 50% weight eliminated. Largest single-kit savings in TiNE's catalog. Expander core (shaft 15.8 g vs 33.8 g + ring 4.9 g vs 12.1 g + bolt 6.5 g vs 10 g) saves 28.7 g alone. Shaft sized per frame; handlebar screws matched to spacer stack (0-5 spacers). CNC Grade 5 Ti-6Al-4V, 13-piece kit, 8 colors.
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