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Mastermind Bicycle Studio is proud to the Exclusive Distributor of India for CeramicSpeed. Handmade in Denmark, the components of CeramicSpeed are unmatched in their performance and durability.

An updated version of the Oversized Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS. This new design has an integrated stop tower for easier mounting.

The CeramicSpeed Oversized Pulley Wheels System has been proven to be the fastest pulley system in the world, providing energy savings starting from 2.4 watts over standard Shimano systems.

The OSPW System for Shimano 9100/9150 and 8000 SS/8050 SS is an industry leading product, chosen by many of the world's leading cycling teams and professional triathlete's.

Featuring a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimisation of the rear derailleur. The upper and lower oversized aluminium pulley wheels come fitted with either standard or coated CeramicSpeed Bearings.

Technical Data

The overall power savings of the OSPW System for Shimano 9100/9150 /8000 reach 30%-60%, or more in some cases, over a stock setup.

The oversized pulley wheels have 3-5 times longer lifetime than the commonly used standard pulleys on the market.

The Shimano 9100/9150 and 8000 SS/8050 SS OSPW system is compatible up to a 32 tooth cassette for both Dura Ace & Ultegra derailluers.

Installation of OSPW for Shimano 9100/9150 and 8000 SS/8050 SS

In order to get the best performance and shifting from your OSPW System, it is recommended to have the system installed by a professional bike mechanic.

Below are two step-by-step installation guides on how to best install the Shimano 9100/8000 OSPW System. One for the first version of the system with a stop screw, and one for the newest design with an integrated stop tower.

When travelling, please remember to dismount your entire rear derailleur with an Allen key, as the OSPW System will not fit in most bike travel bags and could be damged if left on.

Installation guide for the OSPW System with stop screw:

Installation guide for the OSPW System with integrated stop tower:

Maintenance of Ceramic Speed OSPW Systems

Regarding the maintenance of your OSPW System, it is important that you properly lubricate your bearings in order to ensure optimal performance and maximum longevity. Add oil by using the lubrication points on the back cage plate, so that oil can penetrate the bearing. Do this when you lubricate your chain, if you have washed your bike or after riding in wet or muddy conditions.

OSPW is the final diamond on your star studded bike!

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