NEXUS 24″ BOYS SPECIFICATIONS 24” boys mountain bike Steel Frameset Fixed fork Front and rear steel V-brakes 21 speed Rear derailleur Non Index shifters 3 Piece crank with chain guard Rear derailleur protector Quick release seat post clamp Aluminium rims YOUTH AND ADULT 150 - 165cm YOUTH & ADULT BIKES WHEEL SIZE 24″ ACCESSORIES MORE THAN JUST A BIKE. A BRAND - VIEW ACCESSORIES BIKE ASSEMBLY VIEW THE GUIDE