Giant STP Kids Mountain Bikes
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Giant STP 20 FS
Regular price $789.99Regular priceUnit price / per$789.99Sale price $789.99 -
Liv STP 20 FS
Regular price $789.99Regular priceUnit price / per$789.99Sale price $789.99
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Giant STP Kids Mountain Bikes
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The Giant STP: The Ultimate Kids' Mountain Bike for Street, Trail, and Park
Real talk: Most kids' bikes are heavy, clunky, and hold them back. The Giant STP lineup is the exact opposite. Built with the same DNA as Giant’s pro-level dirt jumpers, the STP (Street, Trail, Park) is designed to be the most versatile kids' mountain bike on the market.
Whether your young rider is hitting the local pump track, learning to jump, or just needs a lightweight bike for school runs, the STP is the "do-it-all" weapon of choice. It features a lightweight ALUXX-Grade Aluminum frame, hydraulic disc brakes for serious stopping power, and geometry that makes it easy to lift the front wheel.
Which Giant STP Size is Right for My Kid?
Finding the right fit is crucial for confidence. Here is the breakdown of the lineup:
- Giant STP 20 (20-inch wheels): The perfect entry point for riders approx. 3’9” to 4’5”. It ditches the heavy suspension fork for a rigid setup (or lightweight air fork options) to keep the bike featherlight and easy to maneuver.
- Giant STP 24 (24-inch wheels): A true youth trail bike for riders approx. 4’3” to 4’11”. Comes with a suspension fork to soak up roots and rocks, making it capable of real singletrack riding.
- Giant STP 26 (26-inch wheels): The full-sized dirt jumper. Perfect for teenagers (and adults!) 4’9” to 5’7” who want a dedicated bike for the skatepark, dirt jumps, or street riding.
Frequently Asked Questions (FAQ)
Is the Giant STP a mountain bike or a BMX bike?
It’s the best of both worlds. The STP is a dirt jump mountain bike. It has the durability and maneuverability of a BMX bike but with the stability, gears, and disc brakes of a mountain bike. This makes it perfect for kids who ride a mix of pavement, dirt jumps, and trails.
Why is the Giant STP better than a department store bike?
Weight and safety. The STP uses high-grade aluminum, making it significantly lighter than "big box" steel bikes. Lighter bikes are safer because they are easier for kids to control, stop, and handle. Plus, the hydraulic disc brakes provide stopping power that weak hands can actually use.
Does the Giant STP have gears?
Yes. The STP 20 and STP 24 feature simple 1x drivetrains (one shifter on the right, no front derailleur). This gives kids the range to climb hills without the confusion of complex shifting systems.
Can I ride the STP on trails?
Absolutely. The "T" in STP stands for Trail. While it excels at pump tracks and jumps, the geometry is stable enough for trail riding, making it a versatile all-rounder kids' bike.
Why Shop At Bicycle Warehouse?
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We ship directly to your door. Bikes are inspected and 95% assembled by our in house mechanics to ensure a hassle free, easy assembly for all skill levels. Easy to follow video instructions are available.
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Having trouble finding the perfect bike? Call, e-mail or chat with our expert team. Bicycle Warehouse is a group of passionate riders who can help you find the best bike for your riding style.

