The description is in the name, silenced my creaky bottom bracket with ease. The black dust cap offers better protection from dust and dirt than original bolts and looks better with any crank set. Using an allen wrench allows for a better bite and reduces the amount of tools needed while riding.
I was out for a morning ride around the neighborhood when I began hearing a sort of squeaky sound. Couldn't quite place it. Tried standing to see if it was seat or seatposst related. No. Tried pedaling and coasting and found it was pedal related. Tried spinning each pedal by itself to see if it were a single pedal. It didn't seem to be so. Finally when I got home (and the noise was really getting loud) I got off the bike and discovered my crank bolt was missing and the crankarm was cockeyed and getting ready to drop off! A quick internet order to Jenson and my new set of crankarm bolts and built-in rubber seal was on its way. Couldn't be happier. Super nice bolt/gasket. Put 'em on your bike and torque to spec and forget 'em until you get compliments on them one...
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