SKU: 101635

OSPW for Shimano 9000/6800

Sale price$599.00
Finish: Standard
Color: Black
4 year warranty
Durable and serviceable design
Low friction
Lifetime warranty
Durable and serviceable design
Lowest friction
Exceptional corrosion resistance
RS 5-Spoke
RS ALPHA Team Edition
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Sale price$599.00

Product description

Developed and designed entirely by CeramicSpeed, the Oversized Pulley Wheel (OSPW) System for Shimano 9000/6700 provides the ultimate optimization of your bicycle's drivetrain.

This OSPW System features a set of 17-tooth aluminium Pulley Wheels, available in red and black, housed in a specially designed polyamide (PA) and carbon cage.

The upper and lower 17-tooth oversized aluminium pulley wheels come fitted with either standard or coated CeramicSpeed Bearings.

The Oversized Pulley Wheel (OSPW) System is the product of choice by many of the world's leading cycling teams and triathletes.

This specific system is compatible with Ultegra 6700/6770/6800/6870 mechanical and Di2 rear derailleurs and Dura Ace 7900/7970/9000/9070 mechanical and Di2 rear derailleurs.

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 Oil for Pulley Wheel Bearings, 15ml. dropper bottle
Compatibility Matrix
Road and Tri
Net weight
67.0 g
Gross Weight
129 g
Pulley Material
Derailleur Brand
Derailleur Model
Dura Ace 9000 Mechanical, Dura Ace 9070 Di2, Ultegra 6800 Mechanical, Ultegra 6870 Di2, Dura Ace 7900 Mechanical, Dura Ace 7970 Di2, Ultegra 6700 Mechanical, and Ultegra 6770 Di2

Reduces friction 35-40% over stock pulley configuration

Customizable spring tension for a personalized setup

Lightweight custom molded carbon fiber cage ensures durability


How to maintain the OSPW Systems

Shimano 9000/6800

Compatible with:

  • Ultegra 6700/6770/6800/6870
  • Dura Ace 7900/7970/9000/9070
  • 10s and 11s electric and mechanical groupsets

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