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2025 Prevelo

Zulu Four

A 24″ aluminum frame mountain youth bike with upper mid-range components and tektro hydraulic disc brakes.
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Manufacturer Price

$1,399
Weight22.0 lbs  
FrameAluminum
SuspensionHardtail, 100mm
ForkRST
Wheels24″ Aluminum
Drivetrain1 × 10
GroupsetmicroSHIFT Advent X
BrakesTektro Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
Zulu Four
Other Mountain Youth bikes
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)

18 mph

Zulu Four

Highest gear

(descending)

Spec Level

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

Compare the full Zulu model range

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Reviews
Pinkbike
Prevelo Announce Updated Zulu - The Run Bike That Transforms Into a Pedal Bike

Feb 2025 · Prevelo Bikes

With the new Zulu One 14-inch ($599) and Zulu Two 16-inch ($649) bikes, we're introducing the patent-pending BALANCE-TEC system.

Highs
  • Significant weight reductions

  • BALANCE-TEC conversion system for easy switch between balance and pedal modes

  • Extended seat tube range for longer fit

  • No special tools needed for conversion

  • Maintains consistent handling in both configurations

  • Designed as uncompromising trail bikes first

Read Review

Two Wheeling Tots
Prevelo Zulu Four 24 Mountain Bike Review

Aug 2024 · Natalie Martins

A standout among kids mountain bikes, the Prevelo Zulu Four is a perfectly packaged bike for young groms ready for adventure. Check out our review!

Highs
  • Lightweight at 23.2 lb

  • Wide gear range (1.4-6.0 gain ratio)

  • High-quality 100mm air fork with rebound adjustment

  • Hydraulic disc brakes (160/140mm rotors)

  • Slack 66-degree head tube angle for stability

  • Dropper post compatible with proprietary Heir Deheighter

  • Pre-taped rims for tubeless setup

  • Excellent Microshift Advent X trigger shifters

  • Narrow 19mm grips for small hands

  • Quick-engagement rear hub

  • UDH compatible frame

  • Low minimum seat height (24.8")

  • Top-notch customer service

Lows
  • Air fork does not provide full 100mm travel for lighter kids (max ~95mm)

  • Standard model no longer offered as separate Heir model

Read Review

Geometry
Specs
Build
Frame

Lightweight Triple-butted 6061 Aluminum, UDH Compatible Thru-Axle Dropout, with Internal Cable Routing and Low Center of Gravity Trail Geometry

BB StandardBSA, 73mm, Threaded

Hanger StandardUDH

Tire Clearance2.4"

ColorsSpeed Silver; Bodacious Blue; Pedal to the Metal Pink

Fork

RST First 24 AIR - 100mm travel - lockout and adjustable rebound / Thru-Axle

Travel100mm

Spring TypeAir

Bottom Bracket

External BSA 73mm

Headset

1⅛" Integrated Sealed Cartridge Threadless

Stem

Lightweight Aluminum 31.8, 35mm Extension

Handlebar

HEIR Lightweight Aluminum 31.8, 620mm wide, 19mm Grip Diameter

Saddle

HEIR Pivotal

Seatpost

⌀31.6mm alloy Pivotal

TypeRigid

Pedals

Composite Big Kid, 9/16 Crmo Spindle

Grips

HEIR 110mm wide 19mm Lock-On

Groupset
Rear Derailleur

Microshift Advent X AM V2

Crank

130mm HEIR Direct Mount 2-piece with Alloy Spindle

Shifters

10 speed Microshift Advent X Pro

Cassette

10 speed 11-48t Advent X G-Series

Brakes

Tektro J285 Hydraulic Disc

TypeTektro Hydraulic Disc

Wheels
Rims

HEIR i27 Asymmetrical Tubeless Ready Pre-Taped

Front Hub

15x100 28h Sealed Cartridge / Thru-Axle

Rear Hub

12x142 28h Sealed Cartridge w/ quick engaging 6 pawl freehub / 180 points of engagement / Thru-Axle

Tires

Kenda Booster Pro 24 x 2.2 Tubeless Ready

Rider Notes
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First added June 28

Last updated October 12

Not listed for 238 days