CeramicSpeed Pulley Wheels for Shimano 11-speed - 11 Tooth Alloy Black Left-58 }RockShox Air Shaft - Revelation

}RockShox Air Shaft - Revelation 32mm (A1-A4) 150mm Travel 26" / 27

(mm) 17 Manufacturer Number 6903 Material Steel Thickness 7

It is perfect for a wide range of uses from road wheels to super light enduro MTB wheels

OEM hangers are only produced by a handful of manufacturers mostly in Taiwan and China

CeramicSpeed Pulley Wheels for Shimano 11-speed - 11 Tooth Alloy Black Left-58 }RockShox Air Shaft - RevelationCeramicSpeed Pulley Wheels for Shimano 11 speed 11 Tooth Alloy Black. CeramicSpeed pulley wheels reduce friction last 3 5 time longer than stock high end pulleys and are designed to work with less drag. Premium Grade 3 Silicon Nitride Ceramic balls Hand built in Denmark TECH SPECS Fits Brand Shimano Drivetrain Speeds 11