woom 4 mountainbike WOOM OFF/ OFF AIR 4 20" Pedal Bike – WeeBikeShop
SKU: 73462427439
woom 4 mountainbike

woom 4 mountainbike WOOM OFF/ OFF AIR 4 20" Pedal Bike – WeeBikeShop

$24.99 $27.77
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Description

woom 4 mountainbike WOOM OFF/ OFF AIR 4 20" Pedal Bike – WeeBikeShopWoom OFF 4 Get out and explore The 20" woom OFF 4 is the perfect first mountain bike for kids age 6 8 years and height 46 51 inches. Whether they're taking on the pump track or exploring forests and fields, this superlight and sturdy bike will help them progress in their mountain biking journey. With high quality components and tubeless compatible rims and tires, the woom OFF 4 offers exceptional value in its category. Don't miss out on this

Woom OFF 4

Get out and explore 

The 20" woom OFF 4 is the perfect first mountain bike for kids age 6-8 years and height 46-51 inches. Whether they're taking on the pump track or exploring forests and fields, this superlight and sturdy bike will help them progress in their mountain biking journey. With high-quality components and tubeless-compatible rims and tires, the woom OFF 4 offers exceptional value in its category. Don't miss out on this opportunity to inspire and empower your young rider!

Woom OFF Air 4 comes with front suspension, 9 gears and disc brakes designed for children aged 6 years and over.

Geometry:

Tire/Wheel  20"
Handlebar height   31.5"
Steering Angle   68°
Top Tube Horizontal    18.1"
Wheelbase   33.5"
Seat Tube Angle  70°
Minimum Saddle Height   22.8"
Maximum Saddle Height  28.7"
Crankarm Lenght  4.33"
Handlebars adjustability   Angle +/-15°; Height +/- 0.47″

Specification

Frame
Frame material: lightweight, high-quality 6061 T6 aluminum with butted and hydroformed tubes.
20″ wheels
Sporty handling: an easy-access low top tube, low centre of gravity and long wheelbase provide good balance and make for a fun, safe riding experience
Fork
Light carbon fork
1″ – 1 1/8″ baby taper shaft
100 x 15 mm through axles
Post mount for disc brake
Gears
9 speeds
SRAM trigger shifter
SRAM X5 derailleur
Headset
Fully integrated 1″ – 1 1/8″ headset
Sealed industrial bearings
Stem
Forged aluminum
CNC-machined
Handlebars attached via two clamps - +/-15° flip-flop design to adjust handlebar height
Length: 50 mm
Handlebars
Wide, ergonomically adapted and lightweight aluminum bars for more control
Sandblasted and silver anodised
Width: 580 mm
Rise: 20 mm
Grips
Child-friendly thanks to small diameter
100% silicon for maximum grip
Single-clamp grip to prevent twisting
Safety zone: extra rubber on the palm-facing portion of the grip for added comfort
Drive
Lightweight, forged aluminum, 4.3" (110 mm), kid-specific cranks with narrow tread (Q-factor)
Narrow-wide chainring with 28 teeth in the front
assette with 11-32 teeth in the back
Flat pedals made from fiber-reinforced nylon
Chromoly axle and sealed, industrial ball bearings
Brakes
Hydraulic disc brakes from Promax
Disc diameter front/back: 140/140mm
Ergonomic brake levers designed for children's hands
Wheels
Tubeless-compatible Alexrims wheelset
Aluminum hubs with sealed industrial bearings
Thru axles for maximum torsional strength (100 x 15 mm front and 135 x 12 mm rear)
20 G14 spokes, double-crossed spoking
Aluminum nipples
Tires
20 x 2.25″ Schwalbe Rocket Ron with ADDIX SPEED rubber compound
Quality mountain bike tires with low rolling resistance, maximum grip, good shock absorption, and excellent durability
Presta valves, tubeless conversion ready
Saddle
Ergonomically designed to fit children's anatomy
Side protection to lean against walls
Seatpost
27.2 x 250 mm
Anodised aluminum seatpost with insertion marks that indicate the minimum insertion depth
Seatpost clamp
Quick-release seatpost clamp for easy adjustments
Enclosed tools
4 mm hex key for stem and seatpost clamp
8 mm hex key for front wheel and pedals
Bike Weight
Bike weight: 18.5 lbs | OFF Air Bike weight: 20.9 lbs.
Max weight: 110 lbs combined weight of the Rider and cargo
    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: 73462427439

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    Chris Hardwick
    New York, US
    ★★★★★ 5
    Works flawlessly for drafting use...
    Color: Black, Style: Wireless, Pattern Name: Mouse
    This mouse has been a great upgrade for my setup. The wireless connection is fast and reliable, and I honestly can’t tell the difference from a wired mouse. The sensor is very responsive, and everything feels smooth and precise, especially combined with the Logitech G mouse pad. I actually use this all day at work for drafting, so precision and comfort really matter, and this mouse delivers on both. I’ve even purchased several more for my drafting team, and everyone has been really happy with it. I also like the customizable weight system—you can adjust it to feel just right in your hand. Overall it feels solid, well made, and comfortable for long hours of use.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 17, 2026
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    Verified Purchase
    DANIEL A LIZARRAGA V
    Birmingham, US
    ★★★★★ 5
    This is the last mouse you will ever buy
    Color: Black, Style: Wireless, Pattern Name: Mouse
    Just buy it. What can be said about this mouse that hasn't been said before? This is the perfect mouse, there is no contest. I know it is a bit on the pricier side, but if you need a mouse, just get the cheapest one you can get and start saving to get this one, IT'S THAT GOOD. The mouse glides over any decent mouse pad, you don't need to get a Logitech one. The shape is perfect for all kinds of grips and the weight system is great for customization. The led has different brightness levels, including turning it off completely to save more battery, and the keys are just silent and satisfying to press. Again, this is the best mouse ever, no other mouse will offer a better value for your money than this one. A bit steep, yes, but worth it.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 20, 2026
    A
    Verified Purchase
    Aaron Grinnell
    New York, US
    ★★★★★ 5
    One of the best mice I've ever owned
    Color: Black, Style: Wireless, Pattern Name: Mouse
    I was a little skeptical about this mouse but after 3 weeks of use it's continued to be my favorite mouse. Not only does it. Have a good feel. It is very durable and customizing. The weight is fantastic. If you get the charging pad it just glides. But is definitely worth its money
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 19, 2026
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    Verified Purchase
    William Garber
    Alexandria, US
    ★★★★★ 5
    Impressive and Comfortable
    Color: Black, Style: Wireless, Pattern Name: Mouse
    Only after a couple play sessions in BF6 with this mouse, I can already feel how much more precise I can be with it. My first play session was a bit rough getting used to the feel of it. It’s quickly getting more natural. I switched from a ghost keyboards m1 mouse to this. The left and right mouse clicks feel a bit more stiff than my m1 mouse which I like. Easier to avoid accidental inputs. All the other buttons feel solid with clean clicks. The mouse wheel is a very different feel with more significant bumps while scrolling, but it adds a more tactile feel being easier to control. It also has a release that lets it just spin for probably more work type use rather than gaming. It’s easy to setup, basically plug and play but a bit confusing. It comes with of course, a charging cable but the Bluetooth usb comes in some sort of housing that plugs in by the charging cable. Not sure if that is better or worse than how I have it now which is the usb receiver plugged into the back of my pc. Works fine. Looking at the Logitech website shows up to 48 hours of battery life with default lighting, or up to 60 hours with no lighting. Fully charged it showed 26 hours (25 hours now at 96%). And turning off the lighting at 96% only goes up to 28 hours. Which is plenty as I usually plug my wireless device in to charge after use. My favorite part of this mouse is how comfortable it is. It’s a bit thicker filling in my smaller hands more compared to my m1 mouse. Another nice added comfort feature is the thumb ledge. It keeps my thumb off my mouse pad, and helps with control of the mouse in high stress fps situations. The weight also help in precise aiming. My m1 mouse was 65g , the g502 is 111g plus the 1 big weight and 2 smaller weights I added making it go up to maybe 119g. Highly recommend this mouse, and will try to update if it fails prematurely.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on November 22, 2025
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    Verified Purchase
    DeeDee Bromlow
    Chelsea, US
    ★★★★★ 5
    It's just a Proteus Core, but wireless. Wait... it's a PROTEUS CORE, but WIRELESS!!!
    Color: Black, Style: Wireless, Pattern Name: Mouse
    I've been using a Logitech G502 Proteus Core for a couple of years, and I've been wanting a wireless mouse for ages however, I had been hesitant to switch to anything else because I loved that G502 Proteus Core. Then, this mouse came out. I knew it was time to upgrade. I get a mouse that looks, feels and performs identically to my Proteus Core. No, scratch that, BETTER than my Proteus Core. Except now no more wire wrangling. No more wire catching on the edge of a table or needing to tape it down. Except the sensor is faster and better than my G502PC, and the wireless mouse is somehow LIGHTER than the wired version. What kind of space age magic is this!? When I got it at first, I was actually a little disappointed. I had been excited for this new, fancy mouse that was going to step my game up. But then I got it and it just felt exactly like my old one. It felt like nothing has changed. The wait to use it came to a somewhat anticlimactic end. But then I thought about it and realized..... IT FEELS EXACTLY LIKE MY OLD ONE. I got literally exactly what I loved before, but this time with RGB lighting and no cord! What had I expected? I got literally exactly what I wanted, and it felt like home. And the battery life, of my goodness, the battery life. I've been using this mouse since mid Early/mid-May. I probably use my mouse for about 1 to 4 hours a day, sometimes every other day depending on schedule. I charged this mouse to 100% on my first day of ownership. I haven't charged it since, and my battery currently reads 64%. Incredible. Over a month of regular and consistent use, with lighting on (at about 60-75% brightness, purple) and I haven't even gotten it to half charge. That tells me I've probably got another month or so of battery life to go! I have been BEYOND satisfied with this mouse. I only had one minor hiccup. Initially I put the wireless receiver in the rear of the tower, straight into the motherboard's primary USB 3 port. Unfortunately, I noticed that I would get occasional stuttering and hitching with the mouse cursor. After a bit I noticed that it only happened when my cell phone was on my computer desk in front of my mousepad. I relocated the receiver to the USB3 slot on my Corsair K60 keyboard, problem solved. I haven't had one stutter or hitch since. I think my cell phone's WiFi signal was causing some form of interference. I could reproduce the problem with my cell phone location every time, so I'm confident in what the issue was. BEYOND satisfied with this product. If you have ever used any of the Logitech G502 line - or mice of a similar shape - this product is an absolute NO BRAINER purchase.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 13, 2020

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