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Today’s DealsZulu 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| Weight | 22.0 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Hardtail, 100mm |
| Fork | RST |
| Wheels | 24″ Aluminum |
| Drivetrain | 1 × 10 |
| Groupset | microSHIFT Advent X |
| Brakes | Tektro Hydraulic Disc |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
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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.
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

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!
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
Air fork does not provide full 100mm travel for lighter kids (max ~95mm)
Standard model no longer offered as separate Heir model
| Frame | Lightweight Triple-butted 6061 Aluminum, UDH Compatible Thru-Axle Dropout, with Internal Cable Routing and Low Center of Gravity Trail Geometry BB Standard: BSA, 73mm, Threaded Hanger Standard: UDH Tire Clearance: 2.4" Colors: Speed Silver; Bodacious Blue; Pedal to the Metal Pink |
|---|---|
| Fork | RST First 24 AIR - 100mm travel - lockout and adjustable rebound / Thru-Axle Travel: 100mm Spring Type: Air |
| 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 Type: Rigid |
| Pedals | Composite Big Kid, 9/16 Crmo Spindle |
| Grips | HEIR 110mm wide 19mm Lock-On |
| 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 Type: Tektro Hydraulic Disc |
| 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 |
First added June 28
Last updated October 12
Not listed for 238 days