Welcome to EcosseMX’s Online Ebay Shop!

We’re Scotland’s No.1 Supplier

Our Shop is Based In Penicuik and is an Aladin’s Cave of

Motocross, Trials & Enduro

Clothing, Spares & Equipment




Yamaha Chain And Sprocket Kit


Kit consists of :

Renthal R3 gold 118 Link heavy duty Oring chain.

Renthal gearbox sprocket.

Renthal rear steel/alloy twinring sprocket

Please state year of bike and sprocket sizes required
Sizes available :

Fits the following YZF426 2000-2002 13,14 teeth

WRF426 2001-2002 13,14 teeth

YZF450 2003-2020 13,14 teeth

WRF450 2003-2020 13,14 teeth

YZ250 1999-2018 13,14 teeth 2 stroke

Rear Sprocket 48,49,50 teeth

We ship all over the world email us for a shipping quote

Renthal twinring sprockets.

Each Twinring sprocket that leaves Renthal's engineering facilities are individually CNC machined to the tightest possible tolerances, ensuring an accurate and reliable fit

  • Inner ring of the Twinring is engineered from Ultralight 7075 T6 Aluminium which helps keep weight to a minimum
  • Outer ring is constructed from electroless nickel coated steel which ensures an ultra long service life
  • Mud grooves prevent build up of mud, helping to increase the working life of the sprocket
  • Renthal Front Sprockets
    These are precision CNC machined from case hardened and core refined 655M13 Nickel Chrome Molybdenum steel, with extremely tight tolerances for maximum longevity.

    Renthal R3-2 O Ring Chain features:

    • The nitrile O-Rings help extend chain life by retaining the special vacuum injected grease near critical pin area
    • A 520 O-ring chain designed for the extreme rigours of off road use.
    • Nitrile O™ Rings extend chain life by retaining special vacuum injected grease inside the chain joint.
    • Shot-peened alloy steel side plates for high tensile strength and maximum impact load resistance
    • High carbon alloy steel bearing pins for excellent resistance to wear.
    • Gold coloured side plates help prevent corrosion.
    • Pre stretched to enhance performance of the chain.


    Please make sure the item you are buying is suitable - ask questions before placing a bid !

    Contact us by email or phone if you have any questions.

    If you have a problem, please contact us before leaving feedback so we have chance to rectify it.

    Happy Bidding!

    EcosseMX