Bike Description

CARREA HELL CAT  ,My son 12 was jumped by a 25/30yr of man at Whitehill aylesbury 29/06/18 and pushed of his back to the ground ,the defendant white British, MOUSY brownish curly hair wearing white tee shirt/dark jeans rode of towards gatehouse/Oxford rd towards town ,this happened around 5pm / 5.45pm any info please call police as they are treating this as robber with intent