138mm 37mm Centre Brake Disc Disk Rotor 43cc 49cc Mini Kids Pocket PIT Dirt Bike thumpstar aligning it with the appearance

aligning it with the appearance of their other bikes in the lineup

Terrain: Hilly or rugged terrain can require more energy

Model 420 KMC Length approx 67cm (FOLDING) Links 106 PINs (53 FULL LINKS)

SKU:R178B__S1B

high speeds

138mm 37mm Centre Brake Disc Disk Rotor 43cc 49cc Mini Kids Pocket PIT Dirt Bike thumpstar aligning it with the appearanceSKU: N069__LTL Brand New 138mm 37mm Centre Brake Disc Disk Rotor Fit 49cc Mini Kids Monkey PIT Trail Dirt Bike DIAMETER OF DISC approx 138mm THICKNESS OF DISC approx 3mm DIAMETER OF CENTRE HOLE approx 37. 12mm DISTANCE OF NEAREST MOUNTING HOLE (CENTRE HOLE TO CENTRE HOLE) approx 41. 06mm