ADULT BIKES

Pre-Order Dates

We do not open pre-orders for a shipment until we have a good amount of confidence in the ship date.  That being said, the estimated delivery dates listed on our website are based on the best information that we have at the moment.  While we cannot control every variable, we pledge to be honest and transparent about lead times.

- The ship dates that are on the website represent our honest estimate of the date that the bikes will ship on.

- Where information is imprecise (for example, referencing a month or quarter), it is because there are unpredictable factors that make it so we cannot credibly be more precise.

- We will work tirelessly to keep the bikes on schedule. It's part of our company culture to be very involved in our supply chain and to be proactive about addressing issues that could turn into delays.

- If something happens that changes the ship date we will communicate quickly and clearly about the delay.

- You can cancel your pre-order any time before your bike ships.


Pre-date changes

Your pre-order date will be included in your order confirmation. If we learn something that changes that date, we will contact you. You might see the pre-order date change on the website. There are a variety of things that could cause a change in the pre-order date including shipping delays, back logs, or moving through different batches. Just because the date on the website changes, does not mean that the date of a pre-order already placed has changed.  Again, if you place a pre-order and the estimated delivery date changes, we will inform you.


Pre-order payment policy

Your credit card will be charged immediately when you place your pre-order.  Your pre-order is cancelable and fully refundable. If you need to cancel a pre-order contact us and we'll take care of it!

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  • Bicycling Magazine’s Best 16-Inch Bike of 2025

  • Mom's Choice Awards | Gold Award Recipient

  • "Top Pick" by Two Wheeling Tots

Alpha Two MkIII

368 reviews
$509.00
Color: Speed Silver
Size
Guide Assembly
Options Assembly
Instructions
Equipped with
Balance Tec
Thru Tube

The Alpha Two Mk III is a lightweight, 16″ pedal bike built for budding riders ages 4 to 6. Crafted for paved streets and gentle dirt paths, it combines youth-focused geometry with thoughtful, adventure-ready features.

Key features:

  • Single-speed HEIR drivetrain with 18T chainring and 10T freewheel for simplicity and efficiency
  • Dual hand brakes sized for small hands, with internally routed cables
  • Lightweight 6061 aluminum frame featuring THRU‑TUBE™ geometry and internal cable routing
  • Integrated one-piece handlebar and stem with recessed bolts and kid-friendly reach
  • Rider Supply Pod mounts for clean, strap-free storage on the top tube

The Most Advanced 16" All-purpose Bike

Packed with mega smart features

Prevelo Bikes - Alpha Two - Speed Silver
Components
FrameTHRU-TUBE™ Lightweight Triple Butted 6061 Aluminum. Low Center of Gravity, Kid Specific Geometry. Internally routed Cables. Adjustable Forged Dropouts. BALANCE-TEC Compatible.
ForkBladed Aluminum Legs with 1" Aluminum Steer tube
Seat ClampPrevelo TallClamp with Toolless Adjustment
BrakesIndependently operated dual hand brakes with Kid Sized Brake Levers
Freewheel / Cassette10t cassette - Freewheel
CrankHEIR Lightweight Aluminum 3 piece. Narrow Width, 95mm length, 146mm Q factor
Chainring18t
Bottom Bracket68x113 Hollow Square Taper with Sealed Cartridge Bearings
Headset1" Integrated Threadless Sealed Cartridge
RimsLightweight Aluminum with Shaved Sidewalls
Front Hub74mm 16h Aluminum Sealed Cartridge with Allen Key Bolts
Rear Hub110mm 16h Aluminum Sealed Cartridge Cassette with hex key bolts
TiresKenda Small Block Eight 16 x 1.5
SaddleHEIR Frame Hugger™ Little Kid - Alloy Reinforced
Seat Post⌀27.2mm alloy 1 piece
HandlebarLightweight Aluminum 1 piece Bar/Stem Combo, 460mm wide, 50mm rise, 19mm grip diameter
StemPrevelo 1pc bar/stem with knee friendly design
Grips90mm Black Rubber, 19mm Small Hand
PedalsComposite Little Kid, 9/16 SHORT Crmo Spindle
VersionMK III
Measurements
Weight12.1 lbs
Recommended Inseam15½" to 22"
Minimum Saddle Height16.9 in / 430 mm
Maximum Saddle Height25.2 in / 640 mm
Gain Ratio3.8
Max Tire Width2.2 in
Geometry
Wheel Diameter16 in
Wheelbase28.8 in / 730 mm
Chain Stay Length12.2 in / 310 mm
Head Angle69°
Effective Top Tube15.75 in / 400 mm
Bottom Bracket Height6.95 in / 177 mm
Bottom Bracket Drop0.75 in / 19 mm
Stack14.3 in / 363 mm
Standover14.1 in / 360 mm
Q Factor140mm
Reach10.51 in / 267 mm
Shipping Weights & Dimensions
Box Dimensions44.5 in x 6.5 in x 25.0 in
Shipping Weight19.6 lb

Specifications and components are subject to variations and change without notice.

Rider Supply Pod Ready

The Alpha Two features built-in top tube mounting points for securely attaching the Rider Supply Pod. This convenient location keeps essentials like snacks or tools within easy reach for young riders. The mounts provide a clean, strap-free setup that keeps the bag stable and out of the way. Installation requires standard hex bolts for a solid, rattle-free fit. It's a thoughtful detail designed for real-world adventures.

High Performance Kid Optimized Drivetrain

Features a short, narrow HEIR™ crankset for an efficient fit and kid-friendly pedaling. The ultra-compact drivetrain pairs an 18T chainring with a 10T cog for low weight, high clearance, and sharp response. A custom chainguard mounts via ISCG-style tabs for durable, low-profile protection. Built for real riding, with simplicity and safety in mind.

Precision Dropouts

Adjustable rear dropouts lock in both chainstay length and chain tension for consistent drivetrain geometry. They also simplify tire changes by maintaining consistent chain tension when the rear wheel is removed, reducing the need for realignment or readjustments.

Integrated Handlebar and Stem

A one-piece handlebar and stem combo that keeps weight low and design clean. It’s shaped specifically for young riders, with a slim 19 mm diameter grip and short reach for easy control. All bolts are recessed, and the stem has a rounded profile, so there are no sharp edges or exposed hardware for knees to catch on. Thoughtfully engineered for both comfort and safety.

THRU-TUBE™ Frame

The unique THRU-TUBE™ is designed to keep riders low, confident and agile. It unlocks class-leading low seat height and seat height range, and improves pedaling ergonomics while keeping the rider's feet close to the ground.

Balance-Tec™

Features the patent-pending BALANCE-TEC™ system, the first-ever balance-bike-to-pedal-bike conversion that doesn't compromise pedaling performance. The system's innovations include a self-extracting crank, protective bottom bracket shields that serve as footrests in balance bike mode, and an integrated chainstay key that enables chain removal and installation without breaking the chain. This proprietary design allows the bikes to be converted between pedal and balance modes in minutes without special tools while maintaining consistent handling characteristics in both configurations.

Learn more about BALANCE-TEC

Ready to ride.

What the Press Says about the Alpha Two

Best 16" Bike

With its small gear, low weight, and upright riding position, the Prevelo Alpha Two is an excellent choice for both kids just learning to pedal and those ready to broaden their riding adventures.

Bicycling Magazine

This Bike hits the holy grail of a 16 inch kids bike: light weight, great geometry, and a free-wheel.

The Bike Dads

In the “geometry and ease of riding” category the bike earned a perfect 10/10. We’ve seen kid after kid thrive on this bike!

Rascal Rides

9.8

Prevelo Alpha is a masterclass in kids' biking, offers a lightweight, durable design with thoughtful features, making it an ideal choice for young riders taking their first pedal strokes.

Cyclist Authority

Gold Award Recipient

Mom's Choice Awards

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Prevelo Bikes - Alpha Two - Speed Silver

Alpha Two

$509.00

The Alpha Two Mk III is a lightweight, 16″ pedal bike built for budding riders ages 4 to 6. Crafted for paved streets and gentle dirt paths, it combines youth-focused geometry with thoughtful, adventure-ready features.

Key features:

Color

  • Speed Silver
  • Braap Blue
  • Party Pink

Wheel Size

16 in

Type

All-purpose Bike

Use

Paved, dirt paths

Speeds

Single

Weight

12.1 lbs

Min Saddle Height

16.9 in / 430 mm

Max Saddle Height

25.2 in / 640 mm

Wheelbase

28.8 in / 730 mm

Tires

Kenda Small Block Eight 16 x 1.5

Saddle

HEIR Frame Hugger™ Little Kid - Alloy Reinforced

Derailleur

-

Cassette

10t cassette - Freewheel

Crank

HEIR Lightweight Aluminum 3 piece. Narrow Width, 95mm length, 146mm Q factor

Brakes

Independently operated dual hand brakes with Kid Sized Brake Levers
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