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The Sunpeed Alpha 24" is a premium, lightweight kids' mountain bike perfect for Darwin riders. Featuring hydraulic disc brakes, Shimano 7-speed gearing, and a lockable fork.
Sunpeed Alpha 24" – Darwin's Premier Kids MTB
The Sunpeed Alpha 24" is a high-performance mountain bike designed for younger riders ready to tackle the Darwin heat and trails. Built with a lightweight aluminium frame and pro-level hydraulic disc brakes, it offers a safe, agile, and incredibly fun ride. It’s the perfect step up for adventurous kids who want a bike that looks and performs like the pros, available in Black, White, and Pink.
Lightweight & Agile
The 6061-T6 Aluminium frame keeps the weight down to just 12.7kg, making it easy for kids to handle and maneuver. Paired with a lockable suspension fork, the bike can be tuned for smooth pavement or rugged off-road adventures, ensuring maximum comfort and efficiency no matter the terrain.
Key Features:
• Performance Geometry: Designed specifically for a stable and comfortable fit for kids.
• Reliable Shimano Shifting: A simplified 7-speed drivetrain for easy gear changes.
• Versatile Tyres: Kenda 24" tyres provide excellent grip on everything from grass to gravel.
• Sturdy Build: Alloy components and double-bearing hubs for long-term durability.
Technical Specifications
• Frame: Sunpeed Alpha 24" Aluminium 6061-T6
• Fork: 24" Alloy Suspension with Lockout
• Brakes: III PRO Hydraulic Disc Brakes (160mm)
• Shifter: Shimano SL-RV200 7-Speed
• Rear Derailleur: Shimano RD-T500 7-Speed
• Crankset: Wheeltop SPD4H 1x System
• Cassette: KDF 14-28T 7-Speed
• Tyres: Kenda 24" x 1.95"
• Handlebars: ANV 31.8mm x 580mm Wide
• Weight: 12.7kg
| Wheel size | Rider height (approx.) | Age (approx.) | Inseam (approx.) |
|---|---|---|---|
| Alpha 20" | 117–135 cm | 5–8 years | 56–64 cm |
| Alpha 24" | 135–145 cm | 7–11 years | 61–71 cm |
| Alpha 26" | 137 cm and up | 10+ years | 66 cm and up |
This is a general kids' bike sizing guide, not Sunpeed's own figures. Kids grow at different rates, so use it as a starting point.
Sunpeed's official standover height (the frame height where your child stands over the bike): 476 mm on the Alpha 20" and 606 mm on the Alpha 24".
Not sure? Bring them in. Pop into Blue Cycles at 12 Totem Road, Coconut Grove and we'll do a free fit check so your child gets the right size first time.