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Today’s Deals2026 Prevelo
Alpha Three MkIII
A 20″ aluminum frame general youth bike with mid-range components and promax hydraulic disc brakes.
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Manufacturer Price
$759| Weight | 16.9 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Rigid |
| Fork | Aluminum |
| Wheels | 20″ Aluminum |
| Drivetrain | 1 × 8 |
| Groupset | microSHIFT Acolyte |
| Brakes | Promax Hydraulic Disc |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Alpha model range
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Mar 2026 · Natalie Martins
The Prevelo Alpha Three is a smooth and stable ride for everything from everyday rides to aggressive, adventurous riding. Read the review!
Aluminum frame
Low bottom bracket for stability
Low minimum seat height for younger riders
Step-through frame for easy mounting
Threaded bottom bracket for easier maintenance
Narrow Q-factor
3-piece cranks
Quality/Sealed hubs
Comfortable padded saddle
Sealed/Cartridge bottom bracket
Quality headset
Brand name tires
Wide gear range (3.46)
Hydraulic disc brakes
Trigger shifters
Short reach brake levers
Knobby tires
Double-walled rims
Derailleur hanger
Derailleur chain retention system
Quick release wheels
Water bottle cage mounts
Lightweight (16.9 lbs)
Clear written instructions
Video instructions
Easy assembly
Pre-tuned brakes
Customer service with real person
Frame warranty
Partial component warranty
Tubeless compatible rims
Adjustable handlebar not included
Aug 2024 · Matt Page
Excellent specification with size-specific parts and geometry that make it a confident bike to ride for younger riders
Bespoke-sized components
Low standover
Wide gear range
Stiff wheel bearings
No bottle cage mount
Price
| Frame | Lightweight Triple Butted 6061 Aluminum. Low Center of Gravity, Kid Specific Geometry. Internally routed Cables. 3D Forged Dropouts. Dropper Post Compatible. Tire Clearance: 2.2" Colors: Speed Silver; Braap Blue; Party Pink |
|---|---|
| Fork | Bladed Aluminum Legs with 1 1/8" Aluminum Steer tube |
| Bottom Bracket | 68x113 Hollow Square Taper with Sealed Cartridge Bearings |
| Headset | 1⅛" Integrated Threadless Sealed Cartridge |
| Stem | Prevelo 1pc bar/stem with knee friendly design |
| Handlebar | HEIR Riser Lightweight Aluminum 31.8 clamp, 19mm grip 560mm wide, 25mm rise |
| Saddle | Prevelo 1pc Junior |
| Seatpost | ⌀31.6mm alloy 1 piece Type: Rigid |
| Pedals | Composite Big Kid, 9/16 LONG Crmo Spindle |
| Grips | 110mm Black Rubber 19mm diameter Lock-On |
| Rear Derailleur | Microshift Acolyte Super Short with Springlock chain retention system |
|---|---|
| Crank | HEIR Lightweight Aluminum 3 piece. Narrow Width, 110mm length |
| Shifters | 8 speed Microshift Acolyte Quick Trigger w/ Indicator |
| Cassette | 8 speed 11-38t Microshift H083 |
| Brakes | Promax Hydraulic Disc Brakes Type: Promax Hydraulic Disc |
| Rims | Doublewall Aluminum, tubeless compatible |
|---|---|
| Front Hub | 20h Aluminum Sealed Cartridge with Quick Release Skewer |
| Rear Hub | 20h Aluminum Sealed Cartridge with Hex Key Skewer |
| Tires | Kenda Small Block Eight 20 x 1.5 60 TPI |
First added April 6
Last updated June 7