JT Front & Rear Sprocket Kit for Street BMW F800 GS 2009-2012

Front & Rear Sprocket Kit for Street BMW F800 GS 2009-2012 O.E.M. Gearing 17/42 JT Alloy Front Sprocket Teeth: 17T Using the latest generation of computer design and control metal cutting equipment for maximum durability. Made from the finest C49 high carbon Alloy or 7075 T6 aluminum. Front sprockets are made from chromoly SCM420 Alloy alloy. All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards. For 10mm bolt JT Alloy Rear Sprocket Teeth: 42T Using the latest generation of computer design and control metal cutting equipment for maximum durability. Made from the finest C49 high carbon Alloy or 7075 T6 aluminum. Front sprockets are made from chromoly SCM420 Alloy alloy. All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards. For 10mm bolt