Bike Cycling Rear Mech Derailleur Pulley Wheel Aluminum Alloy Mountain Bicycle

Bike Cycling Rear Mech Derailleur Pulley Wheel Aluminum Alloy Mountain Bicycle Specifications: Material: Aluminum alloy Color: Blue, Gold, Red, BLack, Silver Size: 4.3cm/1.8"(dia) thickness 8.5mm Hole size: 5mm dia, radius 42mm Weight: 9g Features: Anodised CNC machined bicycle jockey wheel with fully rubber sealed bearing for center bolt derailleurs Firm and lightweight Bearings: Upgraded RS bearing Type: 11T Fits for all the mountian bike. Packing Includes: 1 x Bike 11 teeth guide wheel