Forcella doppia camera d'aria 26/27.5/29er mountain bike sospensione anteriore forcella pneumatica
This is a negative air chamber, which is used to adjust the soft or hardness. The greater the negative air pressure, the softer the fork. Crown: Forged alloy. Steering: Alloy 28.6mm 30mm 220mm. Pillar: alloy 32mm.