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HaroSi

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Questions and Answers

Aluminum
Single Speed
20"
Diamond
Rim Brakes
Get in where you fit in. The Haro SI is an affordable, entry-level race bike. Built on a lightweight aluminum frame with our 3D dropout design with built-in chain tensioners for easy adjustments. The SI has more race ready features like Kenda Kontact tires, V-brakes, a railed Haro seat and an integrated headset for low-maintenance. Top it off with custom Haro graphics for a high-speed look. It's ready ...Read more

General

  • Frame6061-T6 Heat Treated Alloy Frame w/ Haro 3D Dropouts & Integrated Chain Tensioner. 19.5" top tube.
  • Frame materialAlloy

    • Brakes

  • BrakeRadius V-Brake
  • Brake LeverRadius Alloy two finger

    • Wheels & Tires

  • TiresKenda Kontact 20x1.95" Front, 1.75" Rear
  • Wheels20" Alloy Single Wall 36H
  • Rear Hub36H, steel loose ball
  • Front Hub36H, steel loose ball

    • Cockpit

  • StemHaro Baseline 48mm Reach Forged stem
  • Headset1-1/8" FSA Headset
  • HandlebarHaro Hi-Ten 7.5"
  • GripsVelo 130mm Flanged Grip

    • Groupset

  • Chain / BeltKMC 410A
  • PedalsPoly Platform, Cr-Mo 1/2" Axle
  • Crankset1-PC, Steel 165mm
  • Bottom BracketLoose ball American BB
  • Cassette16T Freewheel

    • Saddle

  • SaddleOne-piece seat/post combo
  • Seat PostAlloy, 22.2mm
  • Seat Post ClampAlloy, 25.4mm

    • Suspension

  • ForkFull Hi-Ten 1-1/8" Threadless Steerer
    • Disclaimer

    Deviations between specified and installed components are possible depending on the delivery situation. Alternatively installed components correspond to the quality level of the specified components. Errors and omissions excepted.

    About Haro Bikes

    Haro Bikes has been shaping the BMX and freestyle biking world since 1978, when Bob Haro started crafting innovative designs that revolutionized the sport. Built on a philosophy of creativity, durability, and performance, Haro bikes aren’t just machines - they’re tools for self-expression and adventure. Whether you’re into BMX, mountain biking, or urban cruising, Haro’s diverse range of bikes has something for everyone. From cutting-edge freestyle BMX models to rugged trail bikes, Haro blends style with serious functionality. Riders rave about Haro’s smooth ride, robust frames, and thoughtful designs that cater to beginners and pros alike. Are you looking to tackle dirt trails, perfect your tricks, or just ride around town? Haro’s got your back. Their bikes are perfect for anyone with a passion for two-wheeled excitement - whether you’re a young thrill-seeker or a seasoned rider chasing the next big adventure. Let Haro fuel your ride!

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