Welcome to EcosseMX’s Online Ebay Shop.

We’re Scotland’s No.1 Supplier for Motocross, Trials & Enduro

Our Shop is Based In Penicuik and is an Aladin’s Cave of Motocross, Trials & Enduro Spares and accessories.

 

PLEASE EMAIL AGE OF YOUR BIKE AND THE SPROCKET SIZES REQUIRED OR THE KIT WILL NOT BE SENT!


Yamaha YZ125 Chain and Sprocket Kit.

Next day delivery is UK mainland only.

Fits 1999-2021 Models only.

Sizes available

Front size 1999-2004 13 teeth

2005-2021 13 teeth

Rear sizes 1999-2021 48,49,50,51,52 teeth


This kit includes a Unibear red heavy duty 120 link chain constructed with japanese technologoy and supplied with a renthal steel front sprocket and an alloy rear renthal sprocket.


Front Sprocket: 

Renthal off-road front chainwheels are chosen by more factory motocross and supercross teams than any other chainwheel on the market today.

They are CNC machined from a cased hardened and core refined 655M13 nickel chromium steel.

Most models utilize mud grooves which are CNC machined into each tooth on both sides to allow mud to flow away from the key contact points between the chain and the chainwheel. This helps reduce wear and increases the drivetrain lifespan.

Certain models are available in a computer aided Ultralight design to further reduce weight while still maintaining its structural integrity.

Chain: 

UNIBEAR Heavy duty 520 chains are specifically made for motocross and off road riding, offering fantastic performance at an excellent price.

Rear Sprocket: 

Ultralight Rear

Renthal Ultralight™ rear chainwheels are manufactured to extremely tight tolerances from  7075 T6 aluminium alloy which is 66% lighter than steel, yet incredibly durable. Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life.

Renthal's combination of a high streng

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

  •  

    Contact us by email or phone See seller business information for contact details at the bottom of the page. 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

    		•