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2025 Prevelo

Alpha One MkIII

A 14″ aluminum frame general youth bike with rim brakes.
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Manufacturer Price

$489
Weight11.3 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels14″ Aluminum
DrivetrainSingle-speed
BrakesRim
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Insights
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)

7 mph

Alpha One MkIII

18 mph

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Highest gear

(descending)

Reviews
Two Wheeling Tots
Prevelo Alpha One Review - The Ultimate First Bike for Little Groms

Mar 2026 · Natalie Martins

Explore the outstanding features of the Prevelo Alpha One bike, built to help kids progress quickly with high-end components and a smart design.

Highs
  • Very lightweight at 12.08 lbs

  • Aluminum frame with low bottom bracket and low step-through

  • Short reach brake levers and easy pull levers

  • No coaster brake (removable)

  • Convertible to balance bike

  • Color coded levers/cables

Lows
  • No adjustable handlebar

  • No kickstand included

  • No tool-free adjustable reach levers

  • Usable fit range only 5.0 inches

Read Review

road.cc
Prevelo Alpha Three 20-inch

Aug 2024 · Matt Page

Excellent specification with size-specific parts and geometry that make it a confident bike to ride for younger riders

Highs
  • Bespoke-sized components

  • Low standover

  • Wide gear range

Lows
  • Stiff wheel bearings

  • No bottle cage mount

  • Price

Read Review

Geometry
Specs
Build
Frame

THRU-TUBE™ Lightweight Triple Butted 6061 Aluminum. Low Center of Gravity, Kid Specific Geometry. Internally routed Cables. Adjustable Forged Dropouts. BALANCE-TEC Compatible.

Tire Clearance1.5"

ColorsSpeed Silver; Braap Blue; Party Pink

Fork

Bladed Aluminum Legs with 1" Aluminum Steer tube

Bottom Bracket

68x113 Hollow Square Taper with Sealed Cartridge Bearings

Headset

1" Integrated Threadless Sealed Cartridge

Stem

Prevelo 1pc bar/stem with knee friendly design

Handlebar

Lightweight Aluminum 1 piece Bar/Stem Combo, 460mm wide, 50mm rise, 19mm grip diameter

Saddle

HEIR Frame Hugger™ Little Kid - Alloy Reinforced

Seatpost

⌀27.2mm alloy 1 piece

TypeRigid

Pedals

Composite Little Kid, 9/16 SHORT Crmo Spindle

Grips

90mm Black Rubber, 19mm Small Hand

Groupset
Crank

HEIR Lightweight Aluminum 3 piece. Narrow Width, 85mm length, 146mm Q factor

Cassette

10t cassette - Freewheel

Brakes

Independently operated dual hand brakes with Kid Sized Brake Levers

TypeRim

Wheels
Rims

Lightweight Aluminum with Shaved Sidewalls

Front Hub

74mm 16h Aluminum Sealed Cartridge with Allen Key Bolts

Rear Hub

110mm 16h Aluminum Sealed Cartridge Cassette with hex key bolts

Tires

Kenda Small Block Eight 14 x 1.5

Rider Notes
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First added June 28

Last updated March 28

Not listed for 70 days