Shimano TL-FC41 Direct Mount Chainring Lockring Tool Dimensions-380x260x130mm Model Turbine Spindle CrMo Size

Model Turbine Spindle CrMo Size 9/16" Body Material Aluminum Color Silver

They fit only the Shimano XTR M9000 and M9020 cranksets (race and trail respectively)

recalibrate annually

Ring Position/Type Chain Retaining Single Ring Tooth Count 28 Round or Oval Round Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Offset 3 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 170/177 Hubs Chainline/Hub Compatibility 190/197 Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Material Aluminum Defined Color Green Direct Mount Type Direct Mount CINCH

Height: 175 - 240mm Lower Diameter 60 - 78mm and Upper Diameter 75 - 90mm

Shimano TL-FC41 Direct Mount Chainring Lockring Tool Dimensions-380x260x130mm Model Turbine Spindle CrMo SizeInstallation and removal tool for chainring lock rings