Sun Ringle Bubba X Rear Hub - 12 x 148mm 6-Bolt Micro Spline Black 28H MFPN=00.4020.694.004 Drivetrain Speeds 9 Weight 140

Drivetrain Speeds 9 Weight 140 Max Ring (teeth) 50 Front Derailleur Style Traditional Front Derailleur Clamp 31

Forged AL-66 construction

6mm square chain with fabric sleeve to prevent damage to bicycles paint

Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting

Sun Ringle Bubba X Rear Hub - 12 x 148mm 6-Bolt Micro Spline Black 28H MFPN=00.4020.694.004 Drivetrain Speeds 9 Weight 140Sun Ringle Bubba X Rear Hub 12 x 148mm 6 Bolt Micro Spline Black 28H. The Bubba X is the perfect hub for your next wheel build. The ratchet ring utilizes keyed grooves rather than fragile threads to stay in place within the hub shell. This ensures easy serviceability and reliability when putting the power down out on the trail. With just 4 degrees of engagement riders will rejoice as they crank and hop over any technical section with control and ease.