Moturo Chain Tensioner 12 mm CNC for Pit Bike Dirt Bike

Moturo 12 mm CNC Chain Tensioners for Pit Bike and Dirt Bike

The Moturo 12 mm CNC chain tensioners for Pit Bike and Dirt Bike — rear axle tensioning element, keeps the chain at constant tension. CNC-machined aluminum, ready to install.

The tensioners sit at the end of the swingarm on both sides of the rear axle and keep the chain at constant tension. CNC-machined aluminum, 12 mm bore for the thru-axle. Manufactured identically in pairs for the left and right swingarm stop, compatible with common Pit Bike and Dirt Bike platforms with a 12 mm axle diameter.

Replacement takes about half an hour with a hex key set and socket wrench for the axle nut. After replacing, adjust the chain to the slack specified in your bike's workshop manual.

Chain tensioners for your Pit Bike, made by Moturo.

Performance · Material · Specs

• CNC-machined aluminum, 12 mm bore for the thru-axle
• Manufactured identically in pairs for the left and right swingarm stop
• Universally compatible with common Pit Bike and Dirt Bike platforms

Important notes – please read

Drive and wear part; replacement does not require registration.

Tools & time required

• Hex key set in common sizes
• Socket wrench for the axle nut
• About half an hour for an experienced mechanic

Scope of delivery

1 pair of chain tensioners (2 pieces, left and right). Not included: Tools.

Frequently asked questions

Do the tensioners fit my swingarm?
Yes, for 12 mm thru-axles and common Pit Bike and Dirt Bike swingarms. Compare the bore and stop shape with the photo on the product page before ordering.

Does this drive part need to be registered?
No. Chain and drive parts are standard wear parts; appropriate pitch, dimensions, and correct installation are what matters.

Are both tensioners identical?
Yes, manufactured identically in pairs for the left and right.