RockShox 27.5" 30 Gold RL Solo Air Forks - - Straight Steerer - Red / BlackRockShox 27. 5" 30 Gold RL Solo Air Forks Red Black With a Solo Air spring and a Motion Control damper on board, the 30 Gold forks swallow up the roughest terrain so you can stay in control as you master even more challenging trails. The adjustments allow you to fine tune how the forks behave, so you can match them to the terrain and your riding style. Upper Tube Material: Aluminium, low friction anodised Offset: 42mm Travel: 100mm Lower Tube