Shimano Bicycle wheel disc brake central locking Deore XT WH-M8100

・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 performance on the track ・28 straight spokes (2.0-1.5-2.0 double reinforcement) ・Outer rim width: 27.9 mm