RK Transmission Kit open chain SB 108 links 420 black sprocket 45 teeth 13 teeth pinion

for HONDA MB S, MT S

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FIND YOUR BIKE - compatibility table

Ref.
1662752
Cod.
RK420SB/108 JTR239.45 JTF253.13

-11%

Special Price €29.40 Regular Price €32.90

Shipped within 6 days More info

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The Motorcycle Transmission Kit is the ideal solution for those looking to maximize their vehicle's performance. Composed of an RK chain, a JT sprocket, and a JT crown, this kit is designed to ensure smooth and reliable operation.

The RK chain, with a pitch of 420 and a length of 108 links, features a tensile strength of 1900 kg, ensuring robustness and durability over time. Its open design, free of O-Rings, offers a lightweight construction that translates into greater efficiency. The gray color of the chain gives it an elegant and modern appearance.

The JT crown, with an inner diameter of 70 mm and a PCD of 90 mm, is made of steel to ensure strength and reliability. With 45 teeth and a flat head bolt type, it integrates perfectly with the transmission system, ensuring a quick and precise response.

The JT sprocket, with a wide engagement fitting and a tooth count of 13, is designed to optimize power transmission. Its robust construction, with an inner diameter ranging from 15 to 17 mm, offers versatile compatibility with various motorcycle models.

  • RK Chain
  • Pitch: 420
  • Number of links: 108
  • Tensile strength: 1900 kg
  • Design: open, O-Ring free
  • Color: gray
  • JT Crown
  • Inner diameter: 70 mm
  • PCD: 90 mm
  • Material: steel
  • Number of teeth: 45
  • Bolt type: flat head
  • JT Sprocket
  • Fitting: wide engagement
  • Number of teeth: 13
  • Inner diameter: variable between 15 and 17 mm
Links108
Pitch420
ChainOpen
Chain TypeSB
Chain ColorGrey
Crown ColorBlack
Crown Teeth45
Crown Inner Diameter70 mm
Hole spacing90 mm
Pinion teeth13
Pinion Diameter15/17 mm
Pinion CouplerBig
This product fits your
This product does not fit with
HONDA
MB S 50 1980-1983
MT S 50 1980-1982