Cube Acid 240 2025 - Junior Bike
Built with the same tough aluminium frame as Cube’s adult bikes, the Cube Acid 240 is designed for young adventurers. With a lightweight 6061 aluminium frame, 60mm suspension fork, and a 7-speed Shimano drivetrain, this bike provides excellent handling and confidence for junior cyclists. Whether on trails or smooth roads, the Acid 240 offers comfort, safety, and a fun riding experience.
Key Features:
- Lightweight Aluminium Lite 6061 frame designed for junior riders.
- SR Suntour SF15 suspension fork with 60mm travel for smooth handling on rough terrain.
- Shimano 7-speed drivetrain for versatile and easy gear shifting.
- CUBE Alloy V-brakes for controlled and safe braking.
- 24" CUBE MT19 wheels with Meghna 2.1 tyres for grip and stability.
- Replaceable derailleur hanger for easy, affordable repairs after accidental knocks.
- Available with 0% APR finance for easy monthly payments.
The Cube Acid 240 is perfect for kids who are ready to tackle their first off-road adventures. The lightweight but durable Aluminium Lite 6061 frame is designed to withstand the bumps and knocks of trail riding, while the SR Suntour SF15 suspension fork helps smooth out rough terrain. With Efficient and confidence-inspiring handling, your child will enjoy every ride.
Equipped with a Shimano 7-speed drivetrain, the Acid 240 provides a range of gears suitable for climbs, descents, and everything in between. The CUBE Alloy V-brakes are powerful yet easy for small hands to control, ensuring safe stops whenever needed. The 24" wheels with Meghna tyres give great traction on dirt trails or paved roads, providing versatility for different types of riding.
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | Aluminium Lite 6061 |
Fork | SR Suntour SF15, 60mm |
Headset | CUBE FPH863, Semi-Integrated |
Stem | Cube Aluminium Lite |
Bars | CUBE Aluminium Lite, 580mm |
Front Brake | CUBE Alloy V-Brake |
Rear Brake | CUBE Alloy V-Brake |
Rear Mech | Shimano RD-M310, 7-Speed |
Shifters | Shimano SL-RS45, Revo Shift |
Speed | 7 |
Rims | CUBE MT19 |
Front Hub | CUBE Aluminium, QR, 28H |
Rear Hub | CUBE Aluminium, QR, 28H |
Front Tyre | Meghna, 2.1 |
Rear Tyre | Meghna, 2.1 |
Seat Post | Cube Aluminium Lite |
Saddle | Cube Kid |
Chainset | ACID 32T, 127mm with Chainguard |
Bottom Bracket | Thun PASO-ML BSA |
Chain | KMC Z8.3 |
Cassette | Sunrace MFM300.7, 13-34T |
Pedals | CUBE PP MTB |
Junior Bike Size Chart
Approx. Age |
Height (cm) |
Type / Wheel Size |
1 - 4 |
77 – 105cm |
Balance |
2 - 4 |
85 – 105cm |
12" |
4 - 6 |
105 – 117cm |
14" |
5 - 7 |
112 – 125cm |
16” |
6 - 8 |
117 – 132cm |
18” |
7 - 10 |
125 – 136cm |
20” |
10+ |
136+cm |
24” |
Read our kids bike size guide for more information on kids bike sizing.
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Cube Acid 240 2025 - Junior Bike
Christmas Delivery
- Not guaranteed for Christmas DeliveryCycle to Work is a salary sacrifice scheme, where you can save up to 42% off a new Bike and Safety equipment. This means the cost is deducted from your salary as a non-cash benefit, so you save on tax and national insurance.
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*Courier deliveries to Northern Ireland, Isle of Man, Isle of Wight, Channel Islands and the Scottish Highlands/Islands will incur a charge.At Tredz, if you are not 100% happy with your order, then you can use our simple hassle free returns service. Simply return the item new and unused in the manufacturers original packaging within 365 days of purchase. Bikes and larger items are collected by courier.
When you receive your bike, all you'll need to do is unpack it, attach the pedals, turn the handlebars and ride.
To help you get started we have put together a handy Bike Building Guide, click here.