CeramicSpeed OSPW RS Alpha Derailleur Pulley System for Shimano R9250 / R8150

Specifications: Application: Road, Triathlon & Time Trial Gearing: 12-speed Cassette Teeth (max.): 34-tooth Compatibility: Shimano Dura-Ace Di2 RD-R9250, Ultegra Di2 RD-R8150 Technical Information: Derailleur Pulleys: 13 tooth (upper derailleur pulley), 19

$99.00 $409.00

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