Rear sprocket with 80 teeth. Suitable for the 25H "thin" chain.
Used as "mountain transmission 11/80" on various eScooter models.
Suitable for terrain with medium to high gradients.
Technical data for the pinion:
Number of teeth 80 teeth
Outside diameter (Da) about 165mm
Inner diameter (di) 29mm
Hole distance (La) 34mm
Bolt circle (Lk) 40mm
Screw hole (B) 6,5mm
Width about 3.5mm
Weight about 370g
suitable for chain name 25H