CeramicSpeed Pulley Wheels for Shimano 11-speed - 11 Tooth Alloy Black Left-58 BB Shell Width (mm) 68

BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB/Frame Interface BB30 Spindle Interface Type TruVativ GXP Weight 48

(mm) 17 Manufacturer Number 6903 Material Steel Thickness 7

}WTB Aluminum TCS Tubeless Valves: 46mm Green Pair

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 BB Shell Width (mm) 68CeramicSpeed 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