Features:

1.Made of high carbon steel, heat and hardening treatment.

2.Super hard and impact resistant.

3.Suitable for freewheel 6-7-8-9-10-11 speed.

4.Freewheel Sleeve only,other accessories demo in the picture is not included.

Specification:

Material: High Carbon Steel

Height: About 44.5mm

Width: About 21mm

Hole Diameter: About 13.1mm

Color: As shown

Notes:

1.Please allow 1-2cm 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!