Description
The Shimano SF-1200 is a high-quality single-speed freewheel designed for standard threaded hubs. Constructed from hardened alloy steel, it offers exceptional longevity and resistance to wear, making it a reliable choice for road, hybrid, or mountain bike single-speed conversions.
This 20T version is compatible with wider 1/2″ x 1/8″ chains, ensuring a robust drivetrain setup. With its standard English threading and smooth internal ratcheting mechanism, the SF-1200 provides the consistent performance and durability that Shimano is known for.
Quick Facts
| Feature | Specification |
|---|---|
| Tooth Count | 20T |
| Thread Type | Standard English (1.37″ x 24 TPI) |
| Chain Compatibility | 1/2″ x 1/8″ |
| Material | Hardened Alloy Steel |
| Weight | Approx. 166g |
| Reference Number | SF-1200 / ISF120020 |
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