Academy / Trail

Academy Trail 4 R - 20" Kid´s Mountain Bike - 2026 - amber

Description

Academy Trail 4 R - 20" Kid´s Mountain Bike - 2026 - amber

Conquer the trails with the ACADEMY Trail 4 R


The ACADEMY Trail 4 R is more than just a bike—it's your gateway to a world of adventure on two wheels. Designed for young riders who love thrills and seek new challenges, the Trail 4 R offers everything you need for epic rides through forests and mountains. With its sporty geometry and robust chain drive, the Trail 4 R bike guarantees full control on demanding trails. Whether on rocky climbs, tight corners, or fast descents, you'll always stay safe and confident on the saddle.

Features of the Academy Trail 4 R - 20" Kid´s Mountain Bike

  • The lightweight aluminum frame ensures fast acceleration and an agile riding experience.
  • Specially designed for young explorers who want to redefine their limits. 
  • The wide tires with their coarse tread pattern offer plenty of grip on all surfaces.
  • Hydraulic disc brakes guarantee safe braking, even in wet conditions.
  • 9-speed Shimano CUES shifting.
  • Weight: 9.6 kg
  • Recommended age: 6–8 years
  • Recommended body size: 115–130 cm

Experience what it means to ride with ACADEMY Trail Bikes. Feel the freedom. Live the adventure. On every trail, with every jump – and beyond.

Academy
Fact Sheet
Product Name: Academy Trail 4 R - 20" Kid´s Mountain Bike - 2026 - amber
Manufacturer: Academy
Item Code: ACA750699
activity: Cycling
gender: kids
material: Aluminium
usage bikesport: MTB
hubs: 15 x 110mm | 12x142mm ThruAxle
rims: aluminum hollow chamber |
chain: KMC X-Glide 1/2"x11/128"
cassette: Shimano CS-LG300-9
shifter: Shimano SL-U4050-9R CUES
rear derailleur: Shimano RD-U4010 CUES
bottom bracket: Prowheel PW-BB73+/PW-BB92 | 73mm
chainring ratio: 32
crankset: Prowheel Charm-FD04S-TT | 127mm
brakes: Shimano BL-UR405 short reach | Shimano BR-MT410, 180/160mm Rotor
seat post model: Aluminum | 31,6 x 250mm
saddle: DDK
handle bar: Aluminum 31,8mm | Width: 580mm | Backsweep: 9° | Upsweep: 6°
stem: aluminum | 31,8mm | 50mm
fork: Aluminum Rigid Fork
headset: Neco H373MS
frame: Aluminum
Shifting System (Manufacturer): Shimano
gear ratio: 11-36
Shifting Type: Chain - Mechanical
recommended body height: 115-130cm
age recommendation: 6 - 8
brake type: Disc Brake
wheel size: 20" (406mm)
bike special accessories: 1x front reflector | 1x rear reflector | 4x spoke reflectors
grips: Velo
seatpost: Seatpost rigid
Rear Triangle: Unsuspended
pedals: VP-537 | 110,5 x 102mm
tires: VEETIRE Crown Gem | 20" x 2,25" (57-406)
max. system weight: 70kg
brake actuation: Hydraulic
Model year: 2026
Color: Orange
fork construction: Rigid Fork
weight: 9600g
manufacturer item code: 8914
cable routing: external
Weight Source: Manufacturer
Product Series: Academy - Trail
Number of Gears: 1 x 9
Frame Shape: Diamond
GTINs: 4250969289145
Manufacturer page: https://academy-bikes.de/
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Academy

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coolmobility GmbH
Ludwig-Erhard-Allee 3
33719 Bielefeld
GERMANY

+49 521-32 99 88-0