1-inch Bicycle Headset Expander for Forks - CNC Aluminum Expander Sleeve 19-21mm | T6 Heat Treatment | Compatible with 25.4mm Steerer Tubes
Special Features
- 【Precise Carbon Compatibility】 Special expander for 25.4mm MTB suspension forks (19-21mm inner diameter)
- 【Industrial Durability】 6061-T6 aluminum with CNC knurling – 43% higher tensile strength compared to standard expanders.
- 【Tool-Free Reuse】 Simply loosen the lock nut for reusable use.
- 【Exact Fit】 Optimized for niche forks (1-inch headsets on older frames). Includes 28mm aluminum stem cover with T30 Torx screw.
- 【Wide Use】This rear derailleur protector is suitable for most bicycles such as mountain bikes, folding bikes, road bikes, BMX or racing bikes, etc.
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