ROBERT AXLE PROJECT LIGHTNING THRU-AXLEKEEPING A LOW PROFILEIf you're looking to lighten up your bike even more, there are always options to cut the grams. The Robert Axle Project Lightning Thru-Axle offers a low profile and lightweight alternative to conventional thru-axles with levers. It offers a stronger, more durable, lower profile option. It is internally bored to remove unnecessary material without compromising strength. Features No more bulky handles to strike trail obstacles Low profile and lighter than conventional thru-axles with levers Requires a standard 6mm hex wrench for easy installation and removal | Robert Axle Project | Lightning Thru-Axle Rear 12Mm, 1. 0X162Mm