Manufacturer reference: JTR21.40. JT SPROCKETS standard steel sprocket 21 - 520, designed for the final drive of roadsters and light utility vehicles. Ideal for original replacement or for modifying the gearing, this sprocket fits on chains with a pitch of 520.
- Material: C49 carbon steel, treated for wear resistance.
- Color: Black.
- Number of teeth: 40 teeth.
- Chain pitch: 520.
- Type: Standard, for common mounting on road transmissions.
The JT Sprockets JTR21.40 is a robust sprocket, stemming from the expertise of a transmission specialist. It is aimed at riders looking for a reliable part for their chain and sprocket: simple installation, compatibility with 520 setups, and a finish suitable for road use. Its black color minimizes the visual appearance of corrosion and easily matches most chain bikes and swingarms.
Compatible motorcycles (examples):
- APRILIA PEGASO 125 (1999 – 125 cc)
- APRILIA TUAREG 125 WIND (1994 – 125 cc)
- APRILIA PEGASO 125 (1998 – 125 cc)
For safe installation, check the chain pitch and the number of coupling holes on your hub before installation.
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