18T eccentric hollow rear derailleur pulley
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Product tooth count: 18T
Product material: Aluminum alloy + ceramic
Product weight: ≈28g
Product diameter: 73mm
Center hole diameter: 5mm
Tooth profile design: Deep‑tooth design (enhances chain engagement)
Compatible speed ranges: 9-speed / 10-speed / 11-speed
Bearing type: All‑ceramic self‑lubricating bearings
Surface treatment: Anodized
Installation torque: 6 N·m
Compatible brands: Shimano 9/10/11-speed universal / Blueprint L‑TWOO ERX ER9 R9 R7 / Magene QED
Incompatible with: LG long‑leg rear derailleurs / Certain rear derailleur cages with positioning tabs
Included accessories: 10mm screw, washer, 16mm screw
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