Monday | 9.00am - 5.30pm |
Tuesday | 9.00am - 5.30pm |
Wednesday | 9.00am - 5.30pm |
Thursday | 9.00am - 5.30pm |
Friday | 9.00am - 5.30pm |
Saturday | 9.00am - 5.30pm |
Sunday | 10.00am - 4.00pm |
Bank Holidays | 10.00am - 4.00pm |
Merida Matts J.20+ 20 Inch Kids Bike in Red
Click & Collect - Always fast, easy & free
Select Click & Collect at checkout and pick up your order at a convenient location
Monday | 9am - 5.30pm |
Tuesday | 9am - 5.30pm |
Wednesday | 9am - 5.30pm |
Thursday | 9am - 5.30pm |
Friday | 9am - 5.30pm |
Saturday | 9am - 5.30pm |
Sunday | 10am - 4.00pm |
Bank Holidays | 10am - 4.00pm |
The MATTS J20 Plus is a fat-tyred monster truck that offers the control and grip of chunky 20" oversize tyres, paired to a rigid fork that keeps excess weight to the absolute minimum. Add in our kids specific finishing kit, powerful hydraulic disc brakes and a smooth Shimano drivetrain and you’ve got an awful lot of fun without the fat. Suits heights from approx. 109-129 cm tall.
Our MATTS J range is designed for the heroes of tomorrow, which is why we put all the know-how gained from years of making adult bikes into lightweight, high-quality machines for kids to enjoy. High-quality components chosen specifically for the needs of children are married to our aluminium frames that are created with the same painstaking attention to detail and quality of finish as the rest of our bikes. That’s the only way to guarantee that young riders get the same enjoyment of cycling, safe in the knowledge that their bike will never let them down. Whatever your age, your level of ability or your size, we have the perfect first MERIDA ready for you. See you on the start line!
- Lightweight double butted aluminium frame
- Grippy, oversize ‘Plus’ 20” tyres for extra comfort and control
- Rigid fork helps keep weight down
- Shimano 7-speed drivetrain
- Hydraulic disc brakes
- Kid specific finishing kit
All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 will incur a £20 delivery fee.
Free Delivery On Orders Over £50.00 - When you spend more than £50.00 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.
Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.
At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.
Find Out More About Returns >

brakes
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Front Brake Tektro M275; hydraulic disc brake caliper with Tektro TR160; 160mm rotor Rear Brake Tektro M275; hydraulic disc brake caliper with Tektro TR140; 140mm rotor
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brake_levers
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Tektro M275
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cassette
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Shimano MF-TZ500; 14-34 teeth; 7 speed
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chain
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KMC Z8.3
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crankset
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Merida Expert JR; 28 tooth chainset; Aluminium; Crank length - 127mm
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fork
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Merida Matts J. 20+; aluminium. Max tyre size: 20" x 2.4"
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frame
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TFS - 6061 aluminium tubing, double butted and technoformed. BSA BB standard, 9mm QR axle standard. Replaceable dropout. Max tyre size 20" x 2.4"
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grips
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Merida Expert JR
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handlebars
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Merida Expert JR; aluminium; 620mm wide; 0mm rise
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headset
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FSA NO.10P Neck15
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hubs
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Front Hub KT-K68F; 100 x 9mm; 20 spoke Rear Hub Joytech D242DSE; 135 x 9mm; 24 spoke
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material
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Aluminum
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rear_derailleur
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Shimano RD-TY300
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rims
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Merida Jr. 20+; aluminium
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seatpost
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Merida Comp CC; 27.2mm diameter; 0mm layback; aluminium
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shifters
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Shimano SL-M315-7
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tyres
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Front Tyre CST Jet C1820; 20" x 2.4"; wire bead Rear Tyre CST Jet C1820; 20" x 2.4"; wire bead
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Please note the following size guides are a general overview and represent a rough guide to bike sizing. Each bike may deviate from these figures.
Road Bikes
Size | XXS | XS | S | M | L | XL | XXL |
Height (cm) | 155 - 160 | 160 - 166 | 167 - 172 | 173 - 179 | 180 - 185 | 186 - 191 | 192 - 207 |
Mountain Bikes
Size | XS | S | M | L | XL |
Height (cm) | 145 - 160 | 150 - 165 | 160 - 175 | 170 - 185 | 180 - 200 |
Hybrid & Urban Bikes
Size | XS | S | M | L | XL |
Height (cm) | 150 - 160 | 160 - 170 | 170 - 180 | 180 - 190 | 190 - 200 |