100% Brand New and High Quality Bicycle Ceramic Bearings Rear Derailleur Pulley. Suitable for: bicycle rear derailleur jockey wheel Gears: 27 Speed Tooth Size: 11 '12' 13 D 14 T 15 Depth: 16 D: 17 T Structure: Ceramic bearings Material: Aluminum alloy 7075 with ceramic bearings Diameter: 50 mm Setting for 4/5/6 mm spindle and shaft rollers Applies to most rear derailleur in the market, support 7/8/9/10 speed Transmission for a bicycle Stainless Steel bearing for ultra durability Color: Black, Red, Package includes: 1 x Bicycle pulley wheel (without retail package)
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