PBI USA Rear Sprocket for the 2014-2020 Honda Grom 125 for stock 420 chain and many other Honda style engines is manufactured from aircraft quality 7075 T651 Plate Aluminum. Harder...
PBI USA Rear Sprocket for the Honda Grom for upgraded 428 chain is manufactured from aircraft quality 7075 T651 Plate Aluminum. Harder than steel and far lighter to save on...