woom mountainbike Woom Original 4 microSHIFT 20" Bike — Playtri
SKU: 46567580095
woom mountainbike

woom mountainbike Woom Original 4 microSHIFT 20" Bike — Playtri

Sale price$23.41 Regular price$26.01
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

woom mountainbike Woom Original 4 microSHIFT 20" Bike — PlaytriThe woom 4 introduces children aged six years to the world of gear shifting. The bike's seven speeds in combination with the easy to operate twist shifter expand the bike's range of use and increase the child's mobility. Whether they want to ride their bikes into the woods or up hills the new found freedom of gears makes longer adventures on two wheels child's play. An innovative and ultralight 20" children's bike with 7 gears designed for all round

The woom 4 introduces children aged six years to the world of gear-shifting. The bike's seven speeds in combination with the easy-to-operate twist shifter expand the bike's range of use and increase the child's mobility. Whether they want to ride their bikes into the woods or up hills – the new-found freedom of gears makes longer adventures on two wheels child's play.

An innovative and ultralight 20" children's bike with 7 gears designed for all-round use by children aged 6 years and over.

Age: 6 - 8 years
Height: 45 - 50″

Frame

  • Made from light, high-quality AA 6061 aluminum material
  • Geometrically designed with 20” wheels with agile and easy handling in mind
  • Low entry, lower sitting position, and forgiving steering geometry provide control and comfort
  • LEGGIE Kickstand pre-installed

Wheels

  • Ultralight SOOPA DOOPA HOOPS aluminum rims
  • Aluminum hubs with sealed bearings and mounts for woom click-on fenders
  • Quick-release skewers for easy installation and removal
  • 20 lightweight, stainless-steel spokes, double-crossed spoking

Tires

  • 20 x 1.4″ Schwalbe Little Joe folding tires – woom edition
  • High-quality, light tires for low rolling resistance and maximum grip
  • Schrader (car-type) valves
  • Reflective striping on tire sidewall for optimal visibility even in low-light conditions

Stem

  • Lightweight stem made out of forged aluminum
  • Adjustable height and reach mean the stem can be adjusted for optimal riding position as the child grows.
  • Handlebars attached via two clamps and fixed with two 5 mm hex bolts
  • Integrated headset bolt allows for easy compression adjustment

Handlebars

  • Wide, ergonomically adapted, light aluminum bars offer more control
  • Sandblasted and black anodized
  • Width: 54 cm

Grips

  • woom Ergogrip – designed specifically for kid’s hands
  • Ergonomically formed gripping surface, non-toxic
  • Handlebar ends with extra-large diameter for greater protection
  • Screw-in grips ensure secure attachment to handlebars

Drive

  • Lightweight, forged 4.3" (110 mm) aluminum cranks with narrow tread (Q-factor)
  • Narrow-wide chainring with 28 teeth
  • Cassette with 11-28 teeth
  • Narrow, flat platform plastic pedals
  • Sealed cartridge

Gears

  • 7 speeds
  • microSHIFT MS29 twist shifter
  • microSHIFT M21SS rear derailleur

Fork

  • Light unicrown fork made out of aluminum
  • 1″ shaft
  • Generous trail angle for easy handling

Headset

  • Fully integrated 1″ headset
  • Sealed industrial bearings
  • Integrated ahead clamp

Seat

  • Ergonomically designed to fit children's pelvis
  • Non-toxic
  • Side protection to lean against walls

Seatpost

  • Anodized aluminum seatpost
  • Minimum insertion point marked, plus integrated guide in seat tube

Seatpost clamp

  • Secure aluminum seatpost clamp eliminates risk of turning/twisting
  • Extra-long quick-release skewer makes it easier for kids to release and close

Brakes

  • Two independently operated V-brakes with braking power adapted for children
  • Brake levers are ergonomically adapted, reach-adjustable, and suitable for kid’s hands
  • High-quality Jagwire cables provide reduced friction and smooth performance

Enclosed tools

  • 15 mm spanner for pedals
  • 5 mm hex key for stem

Weight

  • 7.7 kg / 16.9 lbs (without pedals)

Weight limit

  • 155 lbs (70 kg)
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: 46567580095

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pena_89
Bozeman, US
★★★★★ 5
Good product
Number of Items: 6, Color: Black (6-pairs), Size: Large
Good fit, item as advertised!
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Reviewed in the United States on May 19, 2026
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Keith
Charlottesville, US
★★★★★ 5
Great socks
Number of Items: 6, Color: Black (6-pairs), Size: Medium
I love these socks
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Reviewed in the United States on May 18, 2026
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ok
Carnegie, US
★★★★★ 5
Good socks
Number of Items: 6, Color: White (6-pairs), Size: X-Large
I have size 13 feet and these are great maybe they’ll stretch and be a bit big but I m fine with that
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Reviewed in the United States on April 30, 2026
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Wendy H.
Fort Morgan, US
★★★★★ 5
Well made socks
Number of Items: 6, Color: Black (6-pairs), Size: X-Large
Made well. Bought for my Son. He only likes Under Armour brand of socks. Only socks he buys.
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Reviewed in the United States on April 21, 2026
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LC
Lake Worth, US
★★★★★ 5
LOVE THEM!!
Size: Small, Color: (001) Black / Black / Castlerock
LOVE! These socks are so comfortable! I wear a 5 in women's and a 3 in big kid shoes. The small fit me perfectly. I see where some say they run small but I can't say that was an issue for me. They are "snug" but thats what you want with a no show sock. I feel they have support vs the ones i used to buy at Walmart. They are very soft! I am actually buying more today and throwing my other ones in the trash!
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Reviewed in the United States on February 18, 2026

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