Superfly 24 | Trek Bikes (INE)
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Superfly 24

Model 17077

Superfly 24 is a quality kids' mountain bike at a great price. It has a lightweight Alpha Silver Aluminium frame, quality Shimano parts and a suspension fork that's tuned for lighter riders. Its geometry was designed for kids, with 24˝ wheels that make it the perfect fit for trail riders who are 127-160 cm/50-63˝ tall.

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It's right for you if...

You want a high-quality mountain bike to introduce your young rider to the world of off-road riding, and know that the real value of a mountain bike is in how much fun your kid will have on it. You want a bike that's trail-ready and built specifically for kids.

The tech you get

A lightweight Alpha Silver Aluminium frame, a 50 mm SR Suntour XCT JR suspension fork with hydraulic lockout and a Shimano drivetrain with 3x7-speed twist shift that's intuitive for kids. It also features powerful rim brakes and grippy, fast-rolling Bontrager XR1 tyres.

The final word

Adventurous kids deserve a true, trail-ready bike. Superfly 24's light frame, knobby tyres and quality mountain bike components make it a great choice for young riders who want to ride on- or off-road.

favorite_borderWhy you'll love it

  1. Superfly 24 has quality components at a great price, so you can be sure you're getting the most for your money
  2. Nothing says 'family bonding' quite like shredding some singletrack and exploring trails together, and this bike will get your whole family out there
  3. Mountain biking is fun, and this bike lets young riders experience the magic of the trail with a bike built just for them
  4. Trek quality = safety on the trail



  • Frameset

    24˝ Dialed frame size, Alpha Silver Aluminium
    Front suspension
    SR Suntour XCT JR, hydraulic lockout, 50mm travel
  • Wheels

    Front hub
    Formula TK31 alloy
    Rear hub
    Formula FM31 alloy
    24˝ 32-hole alloy
    Bontrager XR1 24x1.85˝
  • Drivetrain

    Shimano Tourney, 7-speed twist
    Front derailleur
    Shimano Tourney TY300
    Rear derailleur
    Shimano Tourney TY300
    Suntour XCT JR, 42/32/22
    Bottom bracket
    Sealed cartridge
    SunRun freewheel, 14-34, 7 speed
    KMC Z50
    Dialed 9/16˝, platform
  • Components

    Dialed 24˝ size, padded
    Bontrager, 2-bolt head, 27.2 mm, 8 mm offset
    Bontrager alloy, 25.4 mm, 15 mm rise
    Dialed, Kraton
    Bontrager Elite, 31.8 mm, 7-degree, w/computer and light mounts
    Head set
    VP 1-1/8˝, semi-Integrated
    Brake set
    Alloy linear-pull, Dialed alloy levers
  • Weight

    11.56 kg / 25.49 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 77 kg (170 lb).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based on Trek pre-production painted frames at the time of publication. Weights may vary in final production.

Sizing & fit

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on are for general comparison purposes only. To find your perfect fit, visit an authorised Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.


Rider Height

All measurements provided in cm unless otherwise stated.

A — Seat tube B — Seat tube angle C — Head tube length D — Head angle E — Effective top tube G — Bottom bracket drop I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack Saddle rail height minimum (w/short mast) Saddle rail height maximum (w/tall mast)
29.0 72.0° 10.5 70.0° 52.9 3.8 4.5 6.1 98.0 60.6 37.3 48.0 67.5 80.0

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