Discover the BUCCI CNC Inner Clutch Hub for YX 140 / 160 / 170, crafted with Italian precision and engineered for ultimate performance. More resistant than the original, this hub features specialized holes for clutch lubrication, ensuring smooth operation and preventing adhesion between clutch discs. Weighing just 240 grams, it's ideal for race engines and designed to prevent the standard hub from breaking away from the center spline. At 7-ONE Racing, your trusted off-road parts shop with over 15 years of experience, we understand the demands of Motocross and Pit Bikes. Elevate your engine's performance with this top-tier upgrade.