Prime Lightweight Road Disc Thru AxleEngineered as the answer to the bulky stock axles that come as standard on many road bikes, this Prime thru-axle is lightweight and reliable. It features a low profile design that's proven to reduce weight without impacting on strength or durability.Featuring a leverless, low profile design for cleaner aesthetics and added security, these super-tough yet lightweight thru-axles tighten up with 6mm Allen key heads.Available in a range of sizes, Prime has catered for the most common road bike lengths and thread pitches: Option Type Hub Size  Length Thread Length Thread Pitch Weight 1 E-Thru 12x100mm 120mm 15mm M12x1.5 24g 2 E-Thru 12x100mm 124mm 15mm M12x1.5 25g 3 E-Thru 12x142mm 160mm 15mm M12x1.5 28g 4 E-Thru 12x142mm 163mm 15mm M12x1.5 29g 5 E-Thru 12x142mm 166mm 15mm M12x1.5 30g 6 E-Thru 12x142mm 170mm 15mm M12x1.5 30g 7 E-Thru 12x142mm 173mm 15mm M12x1.5 31g Features: Material: AL7075 Aluminium Low profile and lightweight CNC Precision engineered Hollow for weight saving Torque to 10NmBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.