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pulley wheels for shimano 11s Schwarz Edition HEARTBEATZ connects your heart rateDelivery in 5 10 business days (EU) Finance available at checkout with humm by flexifi. Improve the performance of your 11 speed Shimano rear derailleur with pulleys that reduce friction and increase bearing life. Ours are designed to work with less drag, adding to the power transmitted to the rear wheel. There are choices available to best meet your needs. Machined aluminum pulleys with our Standard Bearings, which consist of our stock CeramicSpeed
