-20" children's bike -Very lightweight aluminum frame -12mm thru-axle at the rear -Weight only 8.6kg (without pedals) -Thoughtful geometry -Low bottom bracket -Deeply drawn chainstay for less chain slap on the stay -Lightweight aluminum rigid fork -9-speed Shimano Alivio shifter -9-speed Shimano derailleur -Shimano HG400 cassette 11-32 -Crank square, 110mm, 28T -Shimano MT-200 brakes (front 160mm/rear 140mm) -Schwalbe Smart Sam 20x2.35 tires -NEWMEN X.A.25 rims -40mm stem -Child-friendly saddle -Aluminum seat post 31.6mm