Shimano Dura-Ace FC-R9200 Left Crank Arm - 175mm Black Rim Center Offset (mm)-7 those who pile on miles

those who pile on miles can expect a longer service life compared to traditional 6061 or 6063 alloy

Q-factor 54

The Samox TAM38J 2-pc crankset with 24mm chromoly spindle is optimized for Junior MTB use and features forged aluminum crankarms

MSPD - MaxxSpeed is the latest version of Maxxis’ race compound that utilizes a silica filler to improve speed wet traction as well as further reducing rolling resistance by 25%

Shimano Dura-Ace FC-R9200 Left Crank Arm - 175mm Black Rim Center Offset (mm)-7 those who pile on milesReplacement left crank arms for various Shimano Dura Ace cranksets. Color Black Length 175 Spindle Interface Type Hollowtech II