Dawes thunder boys bike 12the dawes thunders tough mtb frame design mudguards number plate and tyres with racing stripe provide a bike which is strong and can perform but which also looks great and gives maximum fun features framesetframe steelforks steelgroupsetchainwheel 26t one piece bottom bracket ball bearingfreewheel single speed 16tchain12 x 18wheelsetrims steel front hubs 16h nuttedspokes 14gtyres12 12 x 2 14components brakes caliperhandlebars 500mm wide