13T MTB Bicycle Rear Derailleur Jockey Wheel Ceramic bearing Pulley Road Bike Guide Roller Idler 12 Speed Gear Guide Pulley
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13T MTB Bicycle Rear Derailleur Jockey Wheel Ceramic bearing Pulley Road Bike Guide Roller Idler 12 Speed Gear Guide Pulley

$17.24
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13T MTB Ceramic Bearing Jockey Wheel Pulley Road Bike Bicycle Rear Derailleur   Features: 1. 100% brand new and high quality 2. Product: Bicycle rear derailleur pulley wheel 3. Size: 13 T 4. Structure: ceramic bearings 5. Material: aluminum alloy 7005 6. Diameter: 50mm 7. Setting for 4/5/6mm spindle shaft rollers 8. Apply for most rear derailleur in the market, support 7/8/9/10 speed 9. Transmission for a bicycle,stainless steel bearing for ultra durability 10. 5 colors for choose: Black, Silver, Blue, Red, Gold 1x Ceramic Bearing Jockey Wheel Pulley

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