Rear Sprocket RK 420 SB / 102 - Honda CB 50 J ('76-'83) / ZB 50 P Monkey ('88-'91) / Yamaha FS1G 50 ('75-'76) - RK

Lubrication chain RK 420 SB / 102 for Honda CB 50 J (1976-1983) / Honda ZB 50 P Monkey (1988-1991) / Yamaha FS1G 50 (1975-1976) / Yamaha FS1G 50 DX (1976).

Specifications:
- RK is the leading manufacturer of motorcycle drive chains in Japan;
- For over 40 years, RK has supplied all renowned Japanese motorcycle manufacturers as original equipment.;
- In competitions, RK is the first choice of many teams in MotoGP, motocross, or even the Paris-Dakar Rally;

Technical data:
- Chain pitch: 420;
- Length: 102 links;
- Seal ring: Without seal ring;
- Manufacturer: RK;
- Type: SB;
- Execution: Open;
- Tensile strength (kg): 1900 kg;
- Outer link color: Steel color;
- Inner link color: Steel color;
- Connecting link model: Clip connecting link;
- Per meter link: JMT.7250697;
- Fits clip closure link: JMT.7250699;
- Fits hollow rivet closure link: JMT.7250698.

The complete application list can be found below.