Giant STP 24 2026 - Junior Bike





















The Giant STP 24 is a trail-ready junior mountain bike designed for control and confidence. With suspension, hydraulic brakes and a dropper post, it gives young riders the tools to develop skills and enjoy off-road riding.
Key Features:
- ALUXX aluminium frame, lightweight and durable
- Crest TR Comp fork with 100mm travel
- MicroSHIFT Advent 1x9-speed drivetrain
- Tektro HD-J2820 hydraulic disc brakes
- 24in wheels with Kenda Amrak 2.2in tyres
- Contact Switch AT Lite dropper seatpost
- Youth-specific cockpit and short cranks
- Available with 0% APR finance
The Giant STP 24 is built for young riders who want a mountain bike that feels capable and fun on dirt trails, pump tracks and local riding spots. Designed for riders roughly 125–145cm tall, it combines youth-specific sizing with trail-ready components to help build confidence and skills.
The frame is made from Giant’s ALUXX-grade aluminium, keeping the bike strong while maintaining a manageable weight for younger riders. A low stand-over height improves balance and stability, while the shorter wheelbase gives the bike a playful feel that’s easier to manoeuvre when learning new techniques.
Up front, a Crest TR Comp suspension fork provides 100mm of travel. The fork is tuned specifically for lighter riders, helping smooth bumps and maintain control on rougher trails. This allows young riders to stay comfortable while focusing on their riding technique.
The drivetrain uses a MicroSHIFT Advent 1x9 setup with an 11–38 cassette and a 30T chainring. This simple gear system keeps shifting straightforward while still offering a useful range for climbing and riding varied terrain. Shorter 140mm cranks are sized to suit younger riders and help maintain a comfortable pedalling position.
Hydraulic disc brakes from Tektro provide strong, reliable stopping power with lighter lever action, making it easier for smaller hands to control braking. The bike rolls on 24-inch alloy wheels fitted with Kenda Amrak 2.2-inch tyres, giving plenty of grip and cushioning on dirt trails.
One standout feature is the Contact Switch AT Lite dropper seatpost with 70–100mm of travel. This allows young riders to lower the saddle for descents and technical sections, helping them move around the bike more easily and build confidence on the trail.
With youth-specific components, durable construction and trail-ready features, the Giant STP 24 is a junior mountain bike designed to help young riders progress and enjoy every ride off-road.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | ALUXX-grade aluminum, 12x142mm thru-axle |
| Fork | Crest TR Comp, 34mm stanchions, 15x110mm thru-axle, 100mm travel, youth tuned |
| Stem | forged alloy, 0-degree |
| Bars | Giant Sport, alloy, 31.8mm, 640mm |
| Front Brake | Tektro HD-J2820 hydraulic [F]180mm, [R]160mm rotors |
| Rear Brake | Tektro HD-J2820 hydraulic [F]180mm, [R]160mm rotors |
| Brake Lever | Tektro HD-J2820 |
| Rear Mech | MicroSHIFT Advent, short cage |
| Shifters | MicroSHIFT Advent, 1x9, youth ergonomics |
| Speed | 9 |
| Rims | Giant TRA 2, 24", alloy |
| Front Hub | Giant Tracker, thru-axle, 6-bolt |
| Rear Hub | Giant Tracker thru-axle, 6-bolt, HG driver body |
| Spokes | Stainless, 14g |
| Front Tyre | Kenda Amrak, 24x2.2" |
| Rear Tyre | Kenda Amrak, 24x2.2" |
| Seat Post | Contact Switch AT Lite dropper, remote, 70-100mm travel, 30.9mm |
| Saddle | Giant Grit Jr. |
| Chainset | Alloy forged, 30t, 140mm |
| Bottom Bracket | Threaded Cartridge |
| Chain | KMC X9 |
| Cassette | Shimano CS-H093, 11x38 |
| Pedals | Resin Platform |
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Giant STP 24 Size Chart
|
Size |
Height (cm) |
Height (inches) |
|
One Size |
125-145 |
4'1" - 4'7" |
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