The oversized pulley wheel system (OSPW) for Shimano Dura Ace and Ultegra, fully developed, designed, and produced by CeramicSpeed in Denmark, represents a technological advancement for the cycling industry. The OSPW system for Shimano derailleurs is compatible with cassette sizes up to 28 teeth. The overall power savings of the OSPW system for SRAM range from 40% to 60%, and in some cases even more. The oversized pulley wheels have a lifespan that is 3 to 5 times longer than standard market rollers. The OSPW system combines the highest quality materials with a unique design, offering reduced friction and extended durability, enhancing your competitive edge. Thanks to the OSPW system for Shimano derailleurs, power savings start at 40%, and the CeramicSpeed bearings inside ensure a lifespan that is three to five times longer compared to standard market rollers. The power savings with a CeramicSpeed OSPW system for Shimano Dura Ace and Ultegra begin at 2.4 watts.

• Type: Derailleur cage including pulley wheels
• Delivery includes: 1 CeramicSpeed OSPW pulley wheels Ceramic 607 coated / 17 teeth
• Material details: Cage: Polyamide / Carbon
• Suitability: Derailleur
• Compatible with: Shimano Dura Ace (7800 / 7900 / 7970 / 9000 / 9070), Ultegra (6700 / 6770 / 6800 / 6870) / not compatible with R9100 / R9800
• Details: - Highest quality / 3 - 5 times longer lifespan compared to standard bearings - Reduced friction / lighter and smoother operation - Power savings with a complete CeramicSpeed upgrade of 10-16 watts - Max. capacity: 34 teeth - Handmade in Denmark
• Weight: 77 g.