RST F1RST 20 Air Suspension Fork – 100mm Travel, 9x100mm Open Dropout, 28.6mm Steerer, Matte Black

Upgrade your 20" bike with the RST F1RST 20 Air Suspension Fork, designed for lightweight performance, smooth handling, and dependable front-end control.

This fork is built for 20" wheel applications and features 100mm of suspension travel to help absorb bumps, improve comfort, and maintain traction on pavement, paths, and light off-road terrain. The air spring design provides a lighter, more adjustable feel compared to traditional coil forks, making it a great upgrade for compatible youth, junior, compact eBike, and performance bike builds.

This version uses a 9mm x 100mm open dropout axle setup, making it suitable for compatible quick-release style front wheels. The 28.6mm straight steerer is designed for compatible straight steerer frames, while the matte black finish with RST decals gives the fork a clean, performance-focused look.

Features:

• RST F1RST 20 Air suspension fork
• Designed for 20" wheel applications
• 100mm suspension travel
• 9mm x 100mm open dropout axle spacing
• Quick-release compatible front wheel setup
• 28.6mm straight steerer
• Approx. 260mm steerer length
• Air spring design for lightweight performance
• Matte black finish with RST decal
• Great replacement or upgrade fork for compatible 20" bike builds

Fitment Note:
Please confirm wheel size, axle spacing, brake compatibility, steerer type, steerer length, and frame fitment before ordering.