Trek Knock Block Headset Full Speed Ahead, Pro/Supercaliber, 2020 Model
The Trek Knock Block Headset (2020) by Full Speed Ahead is engineered specifically for Treks Procaliber and Supercaliber frames. This integrated headset system includes all required components for a precise fit, including a 62 AL7075 alloy top cap, sealed bearings, compression spacer, crown race, and the Knock Block frame chip with bolt. Designed to work seamlessly with Treks Knock Block steering stop, it protects your frame from handlebar and fork crown impacts while delivering smooth, consistent steering performance.
Why youll like it
- Frame-specific design built exclusively for Trek Procaliber and Supercaliber models.
- Complete kit includes top cap, bearings, compression spacer, crown race, and frame chip with bolt.
- 62 AL7075 alloy top cap lightweight, durable, and anodized black for a sleek look.
- Sealed cartridge bearings ensure smooth steering and long-lasting reliability.
- Knock Block system prevents bar and fork crown from impacting the frame.
Whats in the box
- 1 62 AL7075 alloy top cap (black anodized)
- 1 Set of sealed headset bearings
- 1 Compression spacer
- 1 Crown race
- 1 Knock Block frame chip with bolt
Tech specs
| Manufacturer | Full Speed Ahead (FSA) |
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| Model | Trek Knock Block Headset Pro/Supercaliber |
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| Year | 2020 |
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| Top Cap | 62 AL7075 alloy, anodized black |
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| Bearings | Sealed cartridge |
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| Included Hardware | Compression spacer, crown race, frame chip, bolt |
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| Finish | Black anodized |
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| Compatibility | Trek Procaliber & Supercaliber (2020 and newer) |
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Fit notes
- Specifically designed for Trek Procaliber and Supercaliber frames.
- Includes all hardware required for installation.
- Not compatible with Trek models outside the Pro/Supercaliber lineup.
