RST F1RST 27.5" - Boost
The First is RST's workhorse XC fork, lightweight and packing the performance you want at a friendly price. Features AIR spring system with air over coil negative spring and uses in-leg XC optimized OCR damping system which has external compression adjustment w/ lock-out and rebound adjustments.
STANCHION 32mm 7050 Aluminum, Anodized Black
LOWER - Magnesium, Boost 15x110mm
TRAVEL - 100mm