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Alloy Rear Derailleur Screw Sturdy 2pcs Black Lightweight Rear Derailleur Pulley

£4.56

It optimizes the shifting response speed, making gear changes smoother and more efficient during rides. Item Type: Alloy Rear Derailleur Screw. Feature: 1. Alloy material: The pulley screws are carefully crafted from premium alloy, significantly reducing the weight compared to traditional materials.