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Description:

- Made of aluminum alloy, lightweight and durable.
- Machined jockey wheel with fully sealed bearing for center derailleurs.
- Apply for most rear derailleur of 13 teeth in the market.
- Can replaced the plastic guide to aluminum alloy guide wheel,it will higher grade, bearing lubrication.
- A rear derailleur needs 2 pulley wheels.
- Necessary accessories for your .

Specification:

- Material: Aluminum Alloy
Specifications: 13T
- Jockey Wheel Size: Approx.50.3 x 50.3 x 8.7mm/ 1.98 x 1.98 x 0.34inch
- Bolts Size(Inner Diameter): 0.4cm/0.16inch, 0.5cm/0.20inch

Package Includes:

1 Piece Bike Jockey Wheel
2 Pieces Bolts(4mm and 5mm)

Note:

1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!