CeramicSpeed Pulley Wheels for Shimano 11-speed - 11 Tooth Alloy Black Left-58 (mm) 17 Manufacturer Number 6903

(mm) 17 Manufacturer Number 6903 Material Steel Thickness 7

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

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 (mm) 17 Manufacturer Number 6903CeramicSpeed 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