These Zeppin Racing Aluminum 7075 Front Knuckle Arms are designed for XRAY T4 & T3, which are more durable than stock plastic version. The parts have been lightened yet still reserving their durability, which only weight 12.2g (1 pair).
Zeppin Racing Aluminum 7075 Front Knuckle Arm 2pcs for XRAY T4/T3
