Shimano Bicycle wheel disc brake central locking Deore XT WH-M8120

・Fiability in high-speed turns "15 mm through front axle +15% torsional stiffness 25% higher transverse shear stiffness (compared to 9 mm quick release) ・Easy installation and reliable track performance ・28 J-spokes (2.0-1.8-2.0 double reinforcement) ・Outer rim width: 34.7 mm