Bike Description

my 13year old daughter and her friend was on the field on agecroft road Swinton tonight when 2 older teenagers approached, they threatened to stab the kids if they tried to ring anybody,  the 2 boys headed off on the stolen bike in the direction of whit lane Salford maybe Littleton road.. one of the thieves was wearing a grey tracksuit and a baseball cap. the bike in the photo is the stolen bike, any info would be really appreciated, thankyou