2021 · MeridaMATTS J. 20+

2021 Merida MATTS J. 20+

A 20″ aluminum frame general youth bike with modest components and hydraulic disc brakes.

MSRP£440 (about $539)
Weight20.9 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels20″ Aluminum
Drivetrain1 × 7
GroupsetAltus
BrakesHydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

12 mph

MATTS J. 20+

18 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Reviews
MBR
Merida Matts J24 Plus kids bike review - MBR

Nov 2021 · Benjamin Haworth

Merida Matts J24 Plus is a 24in wheel kids mountain bike aimed at riders 129-137cm in height (I won't give you an age range because it is irrelevant).

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Singletrack World
Merida Matts J24+ | For the Mini-Shredder with Big Dreams

Jul 2020 · Barney Marsh

Eliza Marsh swings a leg over the Merida Matts J24+ little-hitter from Merida, a plus tyred bike for kids who ride.

Read Review

off.road.cc
Merida MATTS J.24+ children's bike review

May 2020

Merida’s MATTS J.24+ offers a very good frame and fork with sorted geometry that makes it fun and easy to ride – no matter what level of experience your child has. The Plus-size 2.4" tyres and good clearances mean a surefooted and comfy ride off-road, but while the lack of suspension and limited gears keeps things simple, the result is still a bit on the weighty side. Canyon Offspring AL16 review Islabike Beinn 20 Pro Series review B’Twin Rockrider 700 24" kids mountain bike review As any parent knows, no matter how good any bike looks your child needs to find it cool.

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

MATTS J. 20+, material: aluminium, 20x2.4" max. wheelsize, 135x9/100x9mm axle standard, BSA bottom bracket standard

BB StandardBSA, 100mm, Threaded

Fork

MERIDA MATTS J. 20+, material: aluminium, 20x2.4" max. wheelsize

Bottom Bracket

Bearing cartridge

Headset

FSA TH888

Stem

MERIDA EXPERT CC, material: aluminium, 31.8mm diameter, -5° stem angle, 60 mm

Handlebar

MERIDA EXPERT JR, material: aluminium, 620mm width, 0mm rise

Saddle

MERIDA COMP JR

Seatpost

MERIDA CC, material: aluminium, 27.2mm diameter, 15mm setback

TypeRigid

Pedals

Marwi SP-202

Groupset
Rear Derailleur

Shimano RD-M310

Crank

MERIDA EXPERT JR, 28 teeth, 127 mm

Shifters

Altus

Cassette

Shimano MF-TZ500, 14-34 teeth, 7 speed

Chain

KMC NS8

Brakes

Tektro HD-M275, 2 piston

TypeHydraulic Disc

Wheels
Rims

MERIDA JR 20+, material: aluminium

Front Hub

Joytech D041DSE / Joytech D242TSE, 100x9mm width front hub, 20 spoke holes, 135x9mm width rear hub, 24 spoke holes

Rear Hub

Joytech D041DSE / Joytech D242TSE, 100x9mm width front hub, 20 spoke holes, 135x9mm width rear hub, 24 spoke holes

Tires

Front: CST Jet C1820, 20x2.4", wire, Rear: CST Jet C1820, 20x2.4", wire

Disc Rotors

Tektro, 160mm, 140mm

Rider Notes
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