JT Sprockets - Rear Steel Stock Item:JT Sprockets Rear OE Steel T40 #520 JTR1478.40 A premium Oakley backpack made

A premium Oakley backpack made from super-durable fabric to keep your gear protected and features bold print and ellipse logos for a modern

and ultimate wearing comfort

Emergency release cheek pad system

with conductive thread in the index finger and thumb

Multiple webbing attachment slots

JT Sprockets - Rear Steel Stock Item:JT Sprockets Rear OE Steel T40 #520 JTR1478.40 A premium Oakley backpack madeJT Rear Sprockets are manufactured using only the finest grade of super hard, ultra durable, high carbon C49 steel. This steel has been tempered using JTs heat induction technology to achieve material hardness that last up to 6 times longer than the best aluminium sprockets. No other aftermarket rear steel sprocket is made from this high carbon C49 material most use weaker C45 steel. The heart of JT Sprockets and their durability, is the material used