Mini Moto, Dirt Bike Chain Adjusters FUN:BIKESMini Moto, Mini Dirt Bike, Monkey Bike Chain Adjusters
Axle hole is 10mm
Eye center to end is 45mm https://www.funbikes.co.uk/p1206_mini-moto-chain-adjustersPC722E72
Funbikes Cobra 4S Dirt Bike Chain Adjuster FUN:BIKESFunbikes Cobra 4S Dirt Bike Chain Adjuster
Sold as single units, not pairs.
To fit later generation bikes with the box section rear swing arm
Part number 4 and 5. https://www.funbikes.co.uk/p5439_funbikes-cobra-4s-dirt-bike-chain-adjusterDB706B-078