CeramicSpeed Oversized Pulley Wheel System with Coated Bearings Shimano 10 and 11-Speed, Alloy Pulleys and Carbon Cage, Black

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Feature

CeramicSpeed Shimano 10/11-speed Oversized Pulley Wheel System Coated

Description

The Oversized Pulley Wheel System (OSPW System) offers increased drivetrain efficiency with two 17-tooth alloy pulley wheels and extremely low friction pulley bearings.