CeramicSpeed OSPW Pulley Wheel System Shimano 9100/9150 8000 SS/8050 SS - Alloy Pulley Carbon Cage BLK ModelNumber=K3885 The KMC S1 is a

The KMC S1 is a single-speed chain suitable for use with internally geared hubs or any single speed drivetrain

New air-only internals feature ActiveRide a built-in compliance system that enhances traction on steep technical trails

Self adjusting easy to use system is weight optimized and less obtrusive for better form and function

Drawstring gauntlet cuff closure Finger Style Lobster Season Cool Weather Touch Screen Compatible Yes Gender/Age Unisex Color Glacial Grey Padding None Size Small Insulation Type Synthetic Defined Color Gray

CeramicSpeed OSPW Pulley Wheel System Shimano 9100/9150 8000 SS/8050 SS - Alloy Pulley Carbon Cage BLK ModelNumber=K3885 The KMC S1 is aThe CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Largest Cog 32 Fits Model Dura Ace R9150 Fits Brand Shimano Drivetrain Speeds 11 Defined Color Black keyword search OSPWS