NEW Surly Constrictor 33.1 Seatpost Clamp Black

The Constrictor was designed specifically to end slipping seat posts. The extra-thick clamp utilizes an 8mm stainless bolt and accommodates a rear cantilever brake hanger, if you decide to go that route. The Constrictor is machined out of aluminum billet a

$9.00 $15.00

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