Shimano Wheel axle E-THRU AX-MT50

・Simple and clean design "Smaller housing (approx. -10 mm) (compared to SM-AX78/58) "Easy adjustment of the lever position with Allen key -Adjustment nut integrated in the axle ・Easy and reliable operation "Stable fastening system -Cam system "Quick fastening -Optimized thread pitch ・Lightweight "Smaller housing "Hollow aluminum axle ・Same frame configuration as SM-AX78/58 ・Provides a stiffer rear wheel "Extra wide center distance spec : 157mm (new)