Surly Singleator Chain Tensioner
Simple. Reliable. Singlespeed Ready.
The Surly Singleator is a durable, spring-loaded chain tensioner designed to make converting geared bikes to singlespeed easy and reliable. Whether you’re building a dedicated singlespeed, running a 1x drivetrain without a clutch derailleur, or fine-tuning chain tension, the Singleator delivers consistent performance with Surly’s trademark toughness.
Built from high-quality materials and designed for real-world riding, the Singleator keeps your chain tensioned and your drivetrain quiet across rough roads, trails, and daily commutes.
Key Features
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Ideal for singlespeed conversions on bikes without horizontal dropouts
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Spring-loaded design maintains consistent chain tension
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Can be set up in push-up or push-down configurations
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Works with most standard derailleur hangers
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Durable construction for long-term reliability
Versatile Setup Options
The Singleator can be mounted in either push-up or push-down mode, allowing you to optimize chain wrap and clearance depending on your frame and drivetrain setup. This flexibility makes it suitable for road, gravel, MTB, commuter, and touring builds.
Durable, No-Nonsense Design
True to Surly’s philosophy, the Singleator is built to last. Its robust construction stands up to hard riding, poor weather, and heavy use—making it a trusted choice for riders who value simplicity and function over complexity.
Specifications
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Application: Singlespeed and 1x drivetrain tensioning
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Mount Type: Standard derailleur hanger
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Chain Compatibility: Most single-speed and geared chains
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Material: Steel and alloy construction
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Orientation: Push-up or push-down
Why Choose the Surly Singleator?
If you want a dependable, easy-to-install chain tensioner backed by Surly’s reputation for durability, the Singleator is a proven solution. Perfect for singlespeed conversions, minimalist builds, and riders who want a quiet, reliable drivetrain without fuss.