What bike should boys get they are 5 7

If “5 7” means 5 feet 7 inches (67 in / 170 cm), start with a 26-inch bike, then confirm stand-over clearance, reach and brake control in person. The supplied 12-, 14- and 16-inch boys’ bike is too small for that measured height.

First clarify what “5 7” means

A height of 5 ft 7 in is 67 inches, or about 170 cm. Under the XBikes starting points, riders over 60 inches / 153 cm fall into the 26-inch youth-and-adult range. Wheel size is only a starting point: frame geometry and adjustment differ, so the boy still needs to try the exact bicycle.

If “5 7” instead means a boy who is five to seven years old, do not choose from age alone. Measure his standing height and inseam. Depending on measured height, the relevant starting point could be 16, 18 or 20 inches; the fit check decides.

Use height to choose the starting wheel size

Overlapping ranges are normal starting points, not permission to guess. Where two sizes appear plausible, compare both using the same shoes and normal riding posture.

Measure before comparing bicycles

1. Standing height: Have the boy stand straight without shoes against a wall. Record the measurement rather than relying on age or an old medical record.
2. Inseam: Measure from the floor to the crotch while he stands naturally. Use this to assess stand-over room on the exact frame; do not infer clearance from wheel diameter alone.
3. Reach: On the bicycle, check that he can hold the handlebar without stretching, locking his elbows or losing a stable seated position.
4. Brake control: He should be able to reach and operate the fitted brake controls reliably while maintaining his grip and steering control.

Do not buy an oversized bicycle merely to leave room for growth. If he cannot mount, stop, steer or operate the brakes confidently now, move to a better-fitting frame even if another size seems more economical long term.

What the supplied boys’ bike tells you

The Black XJD Kids Bike for Boys – 12, 14 & 16 Inch Sizes is categorized as a training wheel bike and is supplied in 12 Inch, 14 Inch and 16 Inch SKU labels. Those options help answer the title by setting a clear upper comparison point: 16 inches corresponds to a 40–48 in / 102–122 cm starting range, far below a 67-inch rider. If “5 7” means ages five to seven, only a measured child within the appropriate range should be considered.

• Black XJD Kids Bike for Boys – 12, 14 & 16 Inch Sizes

  Available in 12, 14 and 16 Inch sizes, this training wheel bike is too small for a 5 ft 7 in rider. Its 16 Inch option may be relevant only if “5 7” means age and the measured child is 40–48 inches tall.

The 12 Inch option starts at 34–40 in / 86–102 cm, the 14 Inch at 37–45 in / 94–114 cm, and the 16 Inch at 40–48 in / 102–122 cm. None is relevant for someone genuinely 5 ft 7 in tall. Do not treat “for Boys” in the title as evidence of fit, and do not choose the largest supplied SKU simply because it is the largest one shown.

Perform the in-person fit check

Have the rider try the exact bicycle. He should be able to straddle it with usable clearance, get on and off under control, reach the handlebar comfortably, turn without becoming overextended, and operate the brakes confidently. Also consider his current riding confidence: a nominal size match does not compensate for unstable starts, awkward stops or poor control.

If adjustment, assembly or compatibility is uncertain, follow the exact product manual or ask a qualified bicycle mechanic. Do not improvise torque settings or assume parts and adjustments are interchangeable between bicycles.

Complete the decision safely

Once the bicycle fits, add a properly fitting bicycle helmet. It should sit level and its straps should be used according to the helmet manufacturer’s instructions.

For a boy who measures 5 ft 7 in, compare actual 26-inch bicycles and reject any that fail the stand-over, reach, brake-control or confidence checks. If the phrase meant age five to seven instead, measure him first and consider the supplied 16-inch option only when his height is 40–48 in / 102–122 cm and the individual fit check succeeds.