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Measure their head.
- 1Use a soft tape measure or a piece of string and ruler.
- 2Wrap around the widest part of the head, just above the eyebrows.
- 3Keep the tape level and snug, but not tight.
- 4Use the cm measurement to choose a size in the helmet selector.
How the free helmet works
A free helmet with every YOMO bike. Here is exactly how to claim yours — it takes about a minute.
Watch YOMO in action
See confidence inmotion
A closer look at how YOMO helps children ride with more confidence.
- Lightweight control
- Child-specific geometry
- Confidence from first ride
Everything you need to know
More room, more stability. The same easy single-speed simplicity.
Why YOMO 16 rides better
Proof-led details that help children ride with less effort, easier control and more confidence from the first push.
Looks can create the first smile. The right fit brings them back tomorrow.
Light weight, child-specific fit and easy control help confidence grow into more rides and a lasting love of cycling.
Lightweight build
At 5.8 kg, YOMO 16 keeps the ride manageable so your child can focus on confidence, not fighting the bike.
Child-specific geometry
YOMO geometry is built around a child’s proportions, helping riders sit naturally, steer predictably and feel in control.
Scaled for children
From grips and levers to cockpit sizing, the details are chosen so the bike feels natural rather than oversized.
Narrow Q-factor
The child-specific crank setup supports smoother pedalling and avoids the wide, awkward stance common on many children’s bikes.
Controlled steering
The safety headset limits over-rotation, reducing sudden handlebar twists during early riding.
Compact chainguard
The slick compact chainguard helps protect little legs and clothing while keeping the bike looking premium.
Sealed bearing hubs
Sealed bearing hubs help the wheels roll smoothly and keep maintenance low, with child-friendly hardware details.
Child-specific saddle
The saddle is chosen for children’s proportions so longer rides stay comfortable and confidence lasts beyond the first few minutes.
Rust-resistant details
Stainless spokes and rust-conscious hardware help the bike stay smarter for longer, especially through British weather.
A bike that feels light, natural and easy to control gives confidence room to grow.
YOMO bike
99% assembled with handlebar and pedals to finish
Pedals
Clearly marked left and right
YOMO all-in-one toolkit
Tools for final setup
Easy assembly manual
Step-by-step visual guidance
Bike manual
Care, safety and warranty guidance
Bell and reflectors
Safety essentials included
Frame set
Frame
6061 T6 Heat-Treated, Triple Butted Lightweight Alloy. Features Low Centre of Gravity, Child-Specific Geometry, and Internal Cable Routing. Seat Tube Length: 9’’
Fork
6061 T6 Heat Treated, Lightweight Alloy, 1’’ Alloy Steerer
Headset
1” Semi-Integrated Threadless, 130° Safety Mechanism for Secure Steering.
Seat Clamp
Quick-Release Mechanism, 28.6mm Diameter
Cockpit & contact points
Handlebars
Alloy Butted Construction, 460mm Width, 40mm Rise, 15-Degree Backsweep, 25.4mm Bar Bore
Stem
Lightweight Aluminium, 28.6mm Steerer, 30mm Extension, 25.4mm Bar Bore
Grips
Velo ’Mushroom’ Design, Small Diameter, 82mm Length
Saddle
Selle Royal Explora JRN Saddle: Child-Specific Ergonomics, Water-Resistant Vacuum Technology, Dimensions: L: 205mm x W: 130mm
Seatpost
Alloy, Micro Adjust Mechanism, 25.4mm Dia, 200mm Length, with Scale Line
Braking System
Brake Levers
Tektro JL352-RS, Aluminium, Reach Adjustable Mechanism, Tailored for Children’s Hands
Front Brake
Alloy Mini V-Brake, Dual Linear Spring Tension Adjuster, Rust free Nut & Bolts
Rear Brake
Alloy Mini V-Brake, Dual Linear Spring Tension Adjuster, Rust free Nut & Bolts
Drivetrain
Freewheel/Cassette
15T Cogs, Precision-Engineered Freewheel
Chain
KMC S1, Single Speed
Crankset
Forged Alloy 3-Piece Crankset: Narrow Q-Factor, Square Taper, 100mm Length, with Anodized Green Allen Key Bolt
Chainrings
Forged Alloy, 25T
Bottom Bracket
Thun Twist-ML, Square Taper, 68mm/110mm, Cartridge Bearings
Wheelset
Rims
YOMO Lightweight Aluminium, 16H, Integrated Rim Wear Line
Front Hub
Lightweight Aluminium, Sealed Bearing, 16H, with Allen Key Bolts (no ouchie edges!)
Rear Hub
Lightweight Aluminium, Sealed Bearing, 16H, with Allen Key Bolts (no ouchie edges!)
Spokes
Stainless Steel, 16G
Tyres
Kenda Small Block Eight, 16’’ x 1.50, Reflective Sidewall for Enhanced Low-Light Visibility
Inner tubes
Schrader (American valve), Lightweight Tubes
Accessories
Chainguard
Chainlooper: Patented Slick & Compact Chainguard, Safety-Compliant for Children’s Protection
Pedals
Resin Platform, 9/16" Thread, W/Reflectors
Reflectors
Front: Handlebar Mounted, Rear: Saddle Rail Mounted Reflectors
What size child does this model suit?+
YOMO 16 is designed for riders aged approximately 4–6 years, with an inside leg of 46–57 cm and rider height of 105–120 cm. Age starts the search; inside leg confirms the fit.
How much assembly is needed?+
YOMO 16 arrives 99% assembled. Align the handlebar, fit the pedals, complete every safety check and follow the included setup guide before the first ride.
How do I set the saddle height?+
For a newer rider, start low enough to place the balls of both feet securely on the ground while seated. As confidence grows, raise the saddle so the leg keeps a slight bend at the bottom of the pedal stroke, without exceeding the seatpost limit mark.
How do I adjust the brake lever position?+
Loosen the lever clamp bolt slightly, rotate the lever to a comfortable angle for the rider hand, retighten it securely and confirm both brakes engage fully before riding.
What if a brake rubs?+
Check that the wheel is seated correctly and the brake pads sit evenly beside the rim. Use the brake-arm spring-tension screws only as shown in the setup guide, then confirm the wheel spins freely and both brakes stop the bike securely.
How often should I service it?+
Check brakes, tyre pressure, chain condition, wheel security and bolt tightness regularly. Arrange a yearly safety check by a qualified bike mechanic for regular riders.
Where is the serial number?+
The serial number is stamped underneath the frame around the bottom-bracket area. Take a clear photo after purchase for registration, warranty and support.
What is the maximum rider weight?+
The maximum total load for this model is 50 kg, including the rider and anything they carry. Staying within it keeps the frame, wheels and components working as designed.
What tyre pressure should I use?+
Use the permitted pressure range printed on the tyre sidewall. For a lighter rider, start in the lower part of that range and adjust for grip and comfort. Never exceed the maximum shown on the tyre.
What happens when my child outgrows it?+
YOMO BikeTrade lets you trade in an eligible YOMO towards the next size. The calculator gives an estimate; final credit is confirmed after inspection and depends on age, condition and the current programme terms.
What is the warranty?+
YOMO bikes include a 3-year frame and fork warranty as standard. Eligible bikes registered within 30 days receive lifetime frame and fork cover for the original purchaser. Other components are covered for 1 year against manufacturing faults. Normal wear, crashes, misuse, poor maintenance, incorrect assembly, modifications, improper repairs and cosmetic marks from use are not covered.
Can I return it if it is not right?+
Unused bikes can be returned within 30 days in their original condition, packaging and with all accessories included. Contact YOMO before returning the bike; collection costs may apply to unwanted returns.
Trusted by parents
Loved from the veryfirst ride.
Read honest feedback from families riding this YOMO. Every review helps another parent choose with confidence.
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