Surly Constrictor Seat Post Clamp

Surly Constrictor Seat Post Clamp
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 and black anodized. It's available in 30.0mm and 31.8mm sizes.
 
NZ$ 30.00
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Constrictor

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 and black anodized. It's available in 31.8mm, 33mm inner diameter sizes.

Seatpost Clamp Instructions

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Lower Hutt
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Lower Hutt
New Zealand

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