T47, 86 (85.5)mm (Road, Trek/Colnago/SEKA)
 
24mm (Shimano HTⅡ)/SRAM DUB (Road)/30mm (ROTOR 3D+)
3-in-1 core system, Shimano Standard tool required (44mm 16 notch)
Bearing size: 30x40x7mm, Chrome steel bearing