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Article published at:
July 17, 2026
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SL8 Seat Clamp Bolt Weight: 7.1 g TiNE vs 19.5 g Stock (12.4 g Off)
The Tarmac SL8 ships with a 19.5 g steel seat clamp bolt. TiNE's titanium direct replacement (bolt + matched nut) weighs 7.1 g, saving 12.4 g per bike in a one-for-one swap. Compatible with SL6, SL7, and SL8 straight-head seatposts (not SL9). Grade 5 Ti-6Al-4V, CNC, 8 anodized colors.
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