Renthal Renthal Street Sprokes Sproke 309-525-15

CNC-MACHINED (Not Stamped) and feature a computer-aid ultra-light design to reduce Unsprung Weight and increase Power Transfer Rear sprockets made from High-Strength, Specially Enhanced 7075-T6 Aluminum That is 33% Light Than Than Steel To Further To Furr. and increase Power Transfer Without Sacrificing Strength Rear Sprokets Also Feature A Special Tooth Profile That Allows The Chain To Roll Easily On and off the sproke for longer wear, Less noise and More Power Power Front Sprokes Made Made from Case -MolyBdenum Alloy Steel for The Ultimate Combination of Strength and Hardness Renthal Street Sprokets 525 15t Aluminum Front Sproke Sproke 309-525-15