Japan
United States

Parts & Accessories

Rims

Constrictor

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 30.0mm and 31.8mm sizes.

Seatpost Clamp Instructions

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Tires | Parts and Accessories | Surly Bikes
Japan
United States

Parts & Accessories

Tires

Constrictor

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 30.0mm and 31.8mm sizes.

Seatpost Clamp Instructions

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Handlebars | Parts and Accessories | Surly Bikes
Japan
United States

Parts & Accessories

Handlebars

Constrictor

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 30.0mm and 31.8mm sizes.

Seatpost Clamp Instructions

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Small Parts | Parts and Accessories | Surly Bikes
Japan
United States

Parts & Accessories

Small Parts

Constrictor

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 30.0mm and 31.8mm sizes.

Seatpost Clamp Instructions

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Drivetrain | Parts and Accessories | Surly Bikes
Japan
United States

Parts & Accessories

Drivetrain

Constrictor

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 30.0mm and 31.8mm sizes.

Seatpost Clamp Instructions

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Cargo | Parts and Accessories | Surly Bikes
Japan
United States

Parts & Accessories

Cargo

Constrictor

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 30.0mm and 31.8mm sizes.

Seatpost Clamp Instructions

Buy Local Now
Wheels | Parts and Accessories | Surly Bikes
Japan
United States

Parts & Accessories

Wheels

Constrictor

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 30.0mm and 31.8mm sizes.

Seatpost Clamp Instructions

Buy Local Now
Forks | Parts and Accessories | Surly Bikes
Japan
United States

Parts & Accessories

Forks

Constrictor

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 30.0mm and 31.8mm sizes.

Seatpost Clamp Instructions

Buy Local Now