Token Products Vigilante Through Quick Release Thru-Axle Skewer, 12 x 142mm 3x more locking power than normal skewers Rear: M12x142mm alloy axle Alloy forged lever with chromo eccentric providing secure, high locking power Weight:93.5g/set (Shimano) TK239M supplied with an extra end cap for Shimano type 12 frames