Park Tool SAC 2 SuperGrip Assembly Compound. No, it's not your imagination. Your seatpost or handlebar has indeed moved from its intended position while you were out on a ride. The solution is Park Tool SuperGrip Carbon and Alloy Assembly Compound. Ideal for seatposts, handlebars, and stems made out of carbon fiber or aluminum, this assembly compound creates a tighter grip between slippery surfaces and ensures your components remain firmly in place.
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