NEW Surly Constrictor 33.1 Seatpost Clamp Black rear-derailleur-mount-type_shimano-rear-direct-mount backed with silicone gel for

backed with silicone gel for reliable grip and a comfortable ride

and is built around our hand adjusted cup and cone bearing system

Frame tools for keeping frames

Tooth Count: 28

High-modulus carbon fork with alloy steerer

NEW Surly Constrictor 33.1 Seatpost Clamp Black rear-derailleur-mount-type_shimano-rear-direct-mount backed with silicone gel forThe 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 and black anodized. Color: Black Diameter: 33. 1 Defined Color: Black Type: Bolt On