Quick Facts
16 inch Costway kids bicycle with adjustable handlebar and saddle, carbon steel frame, hand and coaster brakes, and removable training wheels for children ages 4 to 8.
Best for
children ages 4 to 8
Key detail
carbon steel frame
Size and fit
16 inch wheel, saddle height 23-25.5 in
Consider if
Consider a different wheel size for other heights.
Shipping
Free US shipping over $100, 30-day returns
Get Outside with a Confident First Bike
Adjustable frame, hand and coaster brakes, and 85 percent pre-assembly so kids ride sooner and parents worry less.
Get Outside with a Confident First Bike
Built for growing kids
Built for growing kids

Adjustable handlebar and saddle grow with your child across seasons, so one bike fits longer. Removable training wheels and a lightweight frame help kids learn balance at their own pace.

Durable carbon steel frame
Durable carbon steel frame

A solid carbon steel frame gives long-term strength for regular outdoor use. Anti-puncture, shock-absorbing rubber wheels add steady traction and lower maintenance for busy families.

Trusted stopping power
Trusted stopping power

Two braking options, a hand brake and a rear coaster brake, let kids stop confidently in different situations. Additional safety touches include a fully enclosed chain guard, reflectors, and fenders.

Dual Brakes
Hand brake plus coaster brake for reliable stopping power.
Sturdy Frame
Solid carbon steel frame built for everyday play and long use.
85% Pre-Assembled
Most of the bike comes ready, so setup is faster and easier.
Adjustable Fit
Handlebar and saddle adjust to match your child as they grow.
How to Choose a Kids Bike

A few quick checks help you pick the right wheel size and features for safe, confident riding.

  1. Measure inseam: Have your child stand barefoot and measure from crotch to floor. Choose a bike that leaves 1 to 2 inches of clearance when seated.
  2. Pick correct wheel size: Wheel size matters more than age. Use your child's height and inseam to match to a 12, 14, 16, or 18 inch model.
  3. Check brake type: Younger kids benefit from a coaster brake and optional hand brake. Confirm your child can comfortably reach and operate the brake lever.
  4. Think about assembly: Look for models with high pre-assembly to cut setup time at home. Keep basic tools handy for final adjustments.
  5. Add safety gear: Always use a properly fitted helmet and consider knee or elbow pads for learning rides on hard surfaces.
Frequently Asked Questions
What age and height is this 16 inch bike best for?

The 16 inch model is designed for children about 41.3 to 51.2 inches tall, typically ages 4 to 7. Check your child's inseam against the listed saddle height for the best fit.

How much assembly is required?

About 85 percent of the bike arrives pre-assembled, so you only need to attach items like the front wheel, pedals, and training wheels, and then adjust saddle and handlebar height.

What safety features does the bike include?

It includes a hand brake and rear coaster brake, a fully enclosed chain guard, front and rear reflectors, removable training wheels, and fenders to reduce splash.

What if the bike does not fit or I change my mind?

We offer 30-day returns and human customer support from our US warehouse to help with exchanges or returns. Free US shipping applies to orders over $100.

What is the bike weight capacity and materials?

The listed weight capacity for the 16 inch model is 110 lbs, and the frame is made from carbon steel with rubber tires and PP/PVC accessories.

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From verified reviews
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"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"

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"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"

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J
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"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"

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Jessica
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"Only paci my breast feed three week old has accepted so far🙌🏼"

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DB
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"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"

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"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"

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Amazon
Verified buyer · September 27, 2025
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"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"

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ShanKelly92
Verified buyer · January 27, 2026
★★★★★

"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"

L
Lucinda
Verified buyer · April 7, 2026
★★★★☆

"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"

T
Trish
Verified buyer · May 10, 2025
★★★★★

"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"

E
Elizabeth
Verified buyer · April 2, 2026
★★★★★

"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"

S
Shreya
Verified buyer · December 5, 2025
★★★★★

"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"

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J
Verified buyer · September 25, 2025
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"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"

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"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"

J
Jessica
Verified buyer · December 10, 2025
★★★★★

"Only paci my breast feed three week old has accepted so far🙌🏼"

H
Hannah
Verified buyer · April 6, 2026
★★★★★

"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"

D
DB
Verified buyer · November 17, 2025
★★★★★

"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"

G
Giselle
Verified buyer · January 28, 2026
★★★★★

"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"

A
Amazon
Verified buyer · September 27, 2025
★★★★★

"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"

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Verified buyer · January 27, 2026
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"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."

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GI
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"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"

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"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"

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Micho
Verified buyer · September 21, 2025
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"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."

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jake
Verified buyer · March 25, 2026
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"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"

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"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"

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Verified buyer · April 10, 2026
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"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."

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"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."

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W
Verified buyer · September 8, 2025
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"These were great in the beginning helped me so much."

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"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"

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Chaise
Verified buyer · January 4, 2026
★★★★☆

"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."

G
GI
Verified buyer · April 14, 2025
★★★★★

"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"

T
Tiffany
Verified buyer · September 2, 2025
★★★★★

"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"

M
Micho
Verified buyer · September 21, 2025
★★★★★

"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"

P
Postpartum
Verified buyer · September 25, 2025
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"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"

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Hailey
Verified buyer · September 7, 2025
★★★★★

"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."

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jake
Verified buyer · March 25, 2026
★★★★★

"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"

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Jasmin
Verified buyer · October 28, 2025
★★★★★

"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"

J
Julie
Verified buyer · April 10, 2026
★★★★☆

"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."

B
Bridget
Verified buyer · December 10, 2025
★★★★☆

"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."

W
W
Verified buyer · September 8, 2025
★★★★☆

"These were great in the beginning helped me so much."

K
Kyle
Verified buyer · December 11, 2025
★★★★★

"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"

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Chaise
Verified buyer · January 4, 2026