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

Cold forged for high-torque strength

A worn chain will cause poor shifting as well as accelerate drivetrain wear

but decals do not come applied

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

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