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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 | 7.7 kg |
|---|---|
| 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
Low minimum seat height
Low step-through frame
Threaded bottom bracket
Narrow Q-factor
3-piece crank
Quality sealed hubs
Quality seat post quick release
Comfortable padded saddle
Sealed/cartridge bottom bracket
Quality headset
Brand name tires
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
Light weight (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
Non-adjustable handlebar
Gear range width 3.46 (moderate)
Useable fit range 5.2" (narrower than some)
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 6 April
Last updated 20 June