What size bike for 5 year old child
For a 5-year-old child, start by comparing 14-, 16- and 18-inch bikes. Measure the child first: height, inseam, reach and control matter more than age.
Which wheel size should you check first?
Using the XBikes starting points, a 14-inch bike covers rider heights of 37–45 inches (94–114 cm), a 16-inch bike covers 40–48 inches (102–122 cm), and an 18-inch bike covers 43–52 inches (109–132 cm). All three age ranges include age five, so age alone cannot select the bike.
| Wheel size | XBikes age starting point | Rider height starting point |
|---|---|---|
| 14 Inch | Ages 3–6 | 37–45 in / 94–114 cm |
| 16 Inch | Ages 4–7 | 40–48 in / 102–122 cm |
| 18 Inch | Ages 5–9 | 43–52 in / 109–132 cm |
Because these ranges overlap, use the measured height to create a shortlist, then resolve the overlap with an actual fit check. A shorter five-year-old may fall outside these three ranges: for reference, the 12-inch starting point is ages 3–4 and 34–40 inches (86–102 cm). Height and individual fit still take priority over that age label.
Measure the child before choosing
- Height: Have the child stand straight without shoes against a wall. Measure from the floor to the top of the head, then compare the result with the XBikes height ranges.
- Inseam: With feet slightly apart, measure from the floor to the crotch. You will need this measurement when checking the bicycle’s stand-over and saddle adjustment; consult the exact product information or manual for its dimensions.
- Reach: On the actual bike, check that the child can hold the handlebar without stretching, locking the elbows or leaning awkwardly.
- Brake control: Confirm that the child can comfortably reach and operate the bicycle’s brakes. Do not assume reach from wheel size alone.
Do the fit check on the actual bike
Have the child try the bicycle. While straddling it, the child should be able to stand securely and control the bike rather than being trapped against the frame. Seated, the rider should reach the handlebar naturally and remain balanced while steering.
Ask the child to demonstrate starting, stopping, turning and using the brakes in a controlled area. Current confidence matters: a size that matches the height table can still be unsuitable if the bicycle feels difficult to hold upright or operate. Do not choose an oversized bike simply to leave room for growth.
If assembly, adjustment, compatibility or maintenance instructions are unclear, follow the exact product manual or ask a qualified bicycle mechanic. Do not invent an adjustment or use a procedure intended for a different model.
How the supplied XBikes options relate
The three supplied catalog options offer 12-, 14- and 16-inch SKU labels, so they help compare two of the main starting sizes for many five-year-olds, plus a smaller reference size. None has a supplied 18-inch SKU label; if the measurements point to 18 inches, these products are comparison points, not substitutes for that size.
XJD Light Purple Girls Bike with Basket, Training Wheels, 12/14/16/20 InchOffers supplied 12-, 14- and 16-inch SKU labels for comparison. It is relevant when the child’s measurements indicate one of those sizes; the title’s 20-inch wording does not establish a supplied available 20-inch SKU.
XJD Girls BMX Bike 12/14/16 Inch with Training Wheels – Pink BlueA Kids' BMX Bikes option with supplied 12-, 14- and 16-inch SKU labels and training wheels in its exact title. Relevance depends on measured height and a successful individual fit check.
XJD Boys & Girls BMX Bike with Training Wheels, 12/14/16" – BlueA Kids' BMX Bikes option with supplied 12-, 14- and 16-inch SKU labels and training wheels in its exact title. Use it only when the matching size passes stand-over, reach, brake-control and confidence checks.
XJD Light Purple Girls Bike with Basket, Training Wheels, 12/14/16/20 Inch is listed in Training Wheel Bikes, with supplied 12-, 14- and 16-inch SKU labels. Although 20 Inch appears in its exact catalog title, 20 Inch is not included in the supplied available SKU labels, so availability should not be inferred from the title.
XJD Girls BMX Bike 12/14/16 Inch with Training Wheels – Pink Blue is listed in Kids' BMX Bikes and has supplied 12-, 14- and 16-inch SKU labels. Compare only the size that matches the child’s measurements and successful fit check.
XJD Boys & Girls BMX Bike with Training Wheels, 12/14/16" – Blue is also listed in Kids' BMX Bikes with supplied 12-, 14- and 16-inch SKU labels. Its sizing relevance is the same shortlist of wheel labels, not proof that every five-year-old will fit.
Finish the decision safely
Once a candidate passes the fit and control checks, add a properly fitting bicycle helmet. It should sit level and its straps should be used according to the helmet manufacturer’s instructions.
For this five-year-old, the next step is specific: record height and inseam, shortlist 14, 16 or 18 inches from the table, and let the child try that exact size. Buy only when stand-over, reach, braking and confident control all work now—not after the child grows.
Bikes for your next adventure
-

Pink Girls' 12/14/16" Bike by XJD – Basket & Doll Seat
The XJD Pink Girls' Bike with Basket & Doll Seat is made for riders 71–122 cm ta…$75.99
$99.99 -

Light Purple XJD Toddler Bike Helmet, Adjustable, Size XS (46–51 cm)
This Light Purple XJD toddler bike helmet is made for the smallest riders — the …$20.39
-

Black XJD Toddler Bike Helmet, Adjustable – Kids' Protective Helmet
The XJD Toddler Bike Helmet in black is an adjustable protective helmet for kids…$20.39