Dynacraft Bike Size Chart

16 in kids' bike for ages 4 to 6 (height 3'3" to 3'10", inseam 16-20 in). Steel frame, single coaster brake, training wheels included. Best as a first pedal bike for kids who have outgrown a 12 in balance bike. Heavier than a Woom 3 or Guardian Original 16 but priced at roughly a third of either.

20 in kids' bike for ages 6 to 9 (height 3'9" to 4'6", inseam 19-25 in). Single rim brake or coaster, steel frame, BMX-style platform pedals. Two colorway listings sit at noticeably different price points - check both ASINs before buying. A solid step-up from the 16 in Major Damage for kids who have outgrown training wheels.

Licensed Hot Wheels 16 in boys' BMX for ages 5 to 7 (height 3'5" to 3'10", inseam 18-22 in). Steel BMX frame, single coaster brake, removable training wheels, Hot Wheels graphics. Heavier than the Magna Major Damage 16 in but built for kids who want a themed bike rather than a plain one.

Licensed Tony Hawk 20 in freestyle BMX for ages 7 to 11 (height 4'2" to 4'9", inseam 22-26 in). Steel BMX frame, 4-bolt stem, front and rear pegs, single rim brake. Aimed at kids who want to learn freestyle tricks at the skate park, not at race BMX. Heavier than a dedicated freestyle bike like a Mongoose Legion L20 but at roughly half the price.

Licensed Tony Hawk 24 in BMX cruiser for teens and small adults (height 4'10" to 5'6", inseam 26-30 in). Steel frame with longer top tube than a 20 in BMX, single rear rim brake, pegs included. The 24 in wheel makes it a comfortable street cruiser rather than a park bike - good for tall pre-teens who have outgrown a 20 in BMX but aren't ready for a full mountain bike.

Licensed Tony Hawk 24 in BMX cruiser stepped up from the Subculture (height 4'10" to 5'6", inseam 26-30 in). Same 24 in wheel platform but with darker urban styling, alloy rims instead of steel, and a slightly taller stack for a more upright street position. Direct alternative to the Subculture - pick by graphics.

24 in mountain bike for ages 13 to 17 or small adults (height 4'10" to 5'6", inseam 26-30 in). Steel frame, dual suspension (front fork plus rear elastomer), 21-speed Shimano twist-shift drivetrain, linear-pull brakes. A mass-market mountain bike for recreational trail riding - not built for technical singletrack but priced well below any entry-level hardtail from Trek or Specialized.

26 in mountain bike for teens and adults (height 5'4" to 6'0", inseam 30-34 in). Steel frame, front suspension fork, 18 to 21 speed Shimano twist-shift drivetrain, linear-pull brakes. The most popular Dynacraft adult bike on Amazon - a recreational hardtail at the same price band as the Huffy Stone Mountain 26 in. Heavy and comfort-tuned, not race geometry.