刹车碟
Brake Disc

天伟号: TWBD8042

Front Axle
Height : 42 mm
Diameter : 234 mm
Centering Diameter : 55 mm
Pitch Circle Diameter : 100 mm
Brake Disc Thickness : 18 mm
Minimum Thickness : 17 mm
Number of Holes : 4
Solid Or Vented : V

刹车毂
Brake Drum

Rear Axle
Height : 56.5 mm
Inner Brake Drum Height : 45.6 mm
Diameter : 227.6 mm
Drum Diameter : 284 mm
Center Diameter : 55 mm
Pitch Circle Diameter : 100 mm
Number of Holes : 4