SKU: 58632943865

ByK E-620 x 9

Sale price$391.05 Regular price$434.50
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

ByK E-620 x 9The ultimate urban bike for adventurous big kids 620x9 Age: 10 14 years Height: 142. 5 170 cms Ability Level: Expected to know how to ride and is comfortable with major bicycle skills. Innovative and lightweight with every detail precisely sized for this step up bike. The Shimano 9 speed gearing is exceptional, with full cassette and twin hole cranks make distance riding easier than ever. Our unique ergonomic riding position and geometry, along with

The ultimate urban bike for adventurous big kids

620x9 | Age: 10 - 14 years | Height: 142.5 - 170 cms

Ability Level: Expected to know how to ride and is comfortable with major bicycle skills.

Innovative and lightweight with every detail precisely sized for this step up bike.

The Shimano 9 speed gearing is exceptional, with full cassette and twin hole cranks make distance riding easier than ever.

Our unique ergonomic riding position and geometry, along with premium components is unprecedented for a bike of this size. Just 12kg.

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MINIMUM SEAT HEIGHT: 71cm
FRAME : Butted Alloy Frame, Low Gravity Concept Design, CRM Forks
GEARS: Shimano Rapidfire 9 Speed Trigger Shifter Gears
WHEELS: Dynamic Advantage Tall Alloy Wheels, Reinforced 36 Hole
Tyres: Low-Profile, Low-Resistance Design with Tough Tubes
Brakes: Alloy Tektro Front & Rear Calibrated V brakes
Brake Levers: Alloy Tektro Custom Sized Levers
Saddle: Adjustable, Comfort Midi+ Deluxe
Handlebars: Custom Width Low Rise V-Bars
Safety Reflectors: Included
Bells: Included
Kickstand: Included

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AGE: 10 - 14 YEARS | HEIGHT: 142.5 - 170 CMS

Bike Weight: 12 kgs

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ByK Bikes want to make sure you love your ByK as much as they love making them, so they will do everything in our power to make sure you are a happy ByK customer. If you’re experiencing an issue with your ByK, we want to assist you in resolving that issue. Please contact us first to ask if we can fix the issue. If not, we'll help you with the warranty process, if the issue is outside of normal 'wear and tear.'

Please note that the warranty applies only to the original owner of the product and proof of purchase must be shown at time of warranty enquiry. If your purchased item is not as described or faulty upon receipt of purchase, ByK will happily refund or exchange your purchase.

More information can be found on the Byk Australia website here.

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58632943865

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4.5 ★★★★★
Based on 431 reviews
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Verified Purchase
Chantal
Lexington, US
★★★★★ 5
Great sleeping bag
Color: Ocean Blue, Style: Everyday 3 Season 50-80° F
Great size for my 10 year old son. Nice and long. The material is soft and warm. The zipper zips fast. There is like a hoodie on the top to go over your head to keep you warm.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
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Verified Purchase
Irina Korsakova
Natrona Heights, US
★★★★★ 4
Great for school trips and camping
Color: Sunburst Orange, Style: Everyday 3 Season 50-80° F, Color: Sunburst Orange, Style: Everyday 3 Season 50-80° F
My daughter went on a school camp trip and needed a sleeping bag, so I decided to get this one. I chose the adult size instead of the kids’ version so we can use it in the future too. It turned out to be a great choice — it’s roomy and comfortable, and even I fit inside easily. The material feels soft and pleasant to the touch, and the zipper works smoothly without getting stuck. It keeps you warm at night but doesn’t feel too hot, which is perfect for cool-weather camping. I did notice that along the edges there’s a section without insulation for quite a bit of distance — not a big issue, but something to be aware of. I tried to show this part in my video. The color is bright and cheerful, exactly as shown in the pictures. Overall, I’m very happy with this purchase — it’s lightweight, cozy, and easy to use. The only challenge is rolling it up and fitting it back into the carrying bag. Even for me, it took some effort since the sleeping bag is quite bulky. The material seems sturdy and well-made, but we’ve only used it once, so time will tell about its durability. Maybe the manufacturer could improve that part in the future. Still, it’s a great option for school trips, camping, and sleepovers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025
R
Verified Purchase
Romona
Boise, US
★★★★★ 5
Warm, comfortable, and great value for the price
Color: Ocean Blue, Style: Everyday 3 Season 50-80° F
I bought this sleeping bag for my son on a recent camping trip, and it performed surprisingly well. It warms up quickly once you’re inside, and the material feels soft and comfortable against the skin. The zipper runs smoothly and doesn’t get stuck easily, which is a big plus. It’s lightweight and packs down small, so it’s easy to carry and doesn’t take much space in his backpack. However, It’s not warm enough for very cold nights below the temperature rating, so if you’re camping in winter, you may need an extra blanket or liner. Overall, for the price, this sleeping bag is an excellent buy—comfortable, warm, and very practical. I would like to give five stars.
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Reviewed in the United States on January 21, 2026
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Verified Purchase
Amazon Customer
Omaha, US
★★★★★ 5
Easy travel sleeping bag!
Color: Ocean Blue, Style: Everyday 3 Season 50-80° F
Bought this for my son for his 5th grade camp, it was perfect, light enough for him to handle and warm enough at night!
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Reviewed in the United States on May 4, 2026
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Verified Purchase
Alison
Omaha, US
★★★★★ 5
it’s great quality for the price, and I would definitely recommend it
Color: Blossom Pink, Style: Everyday 3 Season 50-80° F
I’m very impressed with this sleeping bag! It’s incredibly comfortable, warm, and lightweight, making it perfect for camping trips and sleepovers. The material feels soft on the inside but durable on the outside, and the zipper works smoothly without snagging. It kept me warm throughout the night without feeling too heavy, and it rolls up easily for storage and travel. Overall, it’s great quality for the price, and I would definitely recommend it to anyone looking for a reliable and cozy sleeping bag.
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Reviewed in the United States on February 26, 2026

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