Hollow axle design.
FOX/Shimano 15X110MM Thru Axle Fox Fork boost thru Axle Lever 110mm
Shimano Thru Lever Axle AX-MT700 Quick Release Ø12x157mm Hollow Axle Black -H
Shimano Rear Hub Axle 141mm For 135mm Drop Outs NEW Cycle Bicycle Bike QR Axle
Shimano E-Thru Axle SM-AX720 12x142mm Thread Pitch 1.5mm Tension Adjustment -H
Shimano SM-AX720 Axle for E-Thru Rear 100mm Hub 12mm Diameter
Shimano Hollowtech II Axle FC-7800 O-Ring Crank Arm Y1F316000 (1X Piece) Genuine