Developed and designed entirely by CeramicSpeed, the Ceramica 17T Oversized Pulley Wheel System (OSPW) System for Shimano Ultegra/Dura Ace provides the ultimate optimization of your bicycle’s drivetrain.
This OSPW System features a set of 17-tooth aluminium Pulley Wheel, housed in a specially designed polyamide (PA) and carbon cage.
The upper and lower 17-tooth oversized aluminium pulley wheels come fitted with CeramicSpeed Bearings.
The Oversized Pulley Wheel (OSPW) System is the product of choice by many of the world’s leading cycling teams and triathletes.
The system is compatible up to a 28tooth cassette on most bikes depending on derailluer hanger.
In The Box:
A complete 17-tooth OSPW System
CeramicSpeed bearing oil in 15ml dropper bottle