C-Bear Alloy Pulley Ceramic Jockey wheel Shimano/Sram 10-11 spd(pull-alu) indoor accessories Compatibility Cassette: Fit cassettes from

Compatibility Cassette: Fit cassettes from 10 to 33-tooth

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The system is compatible up to a 28tooth cassette on most bikes depending on derailluer hanger

Please note: The OSPW System for 9100/9150 and 8000 SS/8050 SS is NOT compatible with Ultegra 8000-GS or 8050-GS (medium cage) derailleurs

BB30 MTB73

C-Bear Alloy Pulley Ceramic Jockey wheel Shimano/Sram 10-11 spd(pull-alu) indoor accessories Compatibility Cassette: Fit cassettes fromDelivery in 5 10 business days (EU) Finance available at checkout with humm by flexifi. These Aluminium Jockeys wheels with ceramic bearings are a treat to save you watts, whether a sporting event or a headline TT they are sure to help you with that PB.