Shimano SLX RD-M7100-SGS Rear Derailleur,12spd 700x38 FEATURES of the Park Tool

FEATURES of the Park Tool HCW-15 Headset Wrench Laser cutting is done after heat treatment to ensure a tight accurate fit

thanks to a little mesh under the arms

Made In Taiwan

It will quickly wick away moisture to help keep you cool and dry

Hollow pin

Shimano SLX RD-M7100-SGS Rear Derailleur,12spd 700x38 FEATURES of the Park ToolFEATURES of the Shimano SLX RD M7100 SGS Rear Derailleur Advanced shifting performance provides the confidence to enjoy any trail Fast and shockless shifting HYPERGLIDE+ Extra wide range 12 speed drivetrain 10 51T (12 speed) Silent drivetrain in all gear positions Decreased rear derailleur and chain tension in low gear Bumper structure at rear derailleur pulley cage reduces impact shock by absorbing chain impact on aggressive terrain Bigger 13T pulley