13T MTB Bike Bearing Guide Roller Aluminium Alloy Sealed Bearing Jockey Wheel Rear Derailleur Pulley Bike Derailleur Accessories

Good luck with your favorite purchasesHigh-concerned chemical : None Model Number : Bicycle Rear Derailleur Jockey Wheel Material : Alloy Type : Pulley Wheel Origin : Mainland China Bicycle Rear Derailleur Jockey Wheel : CNC Road Bike Guide Roller Idler Bicycle Rear Derailleur Bearing Pulley : MTB Bike Bearing Guide Roller Origin : Mainland China Main Material : Aluminum Alloy + Steel Color : Colorful, Black, Red, Blue, Green, Purple, Gold Style : 13T Size : About 5.07cm (2.00in)*5.07cm (2.00in)*1cm (0.39in) Net Weight : About 13.7g Diameter Of The Middle Hole : 6mm Product Application : Compatible With Most Rear Derailleurs On The Market