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Cube Acid 240 SLX 2023 - Junior Bike
Simplicity can be a virtue. With our Acid 24 SLX Teamline, we looked at what a keen young mountain biker really needed from a bike – low weight, safe handling and reliable components – and stuck to those principles. That's why it features a lightweight alloy fork, light and simple rim brakes, and a wide-ranging 1x9 transmission with a low enough gear to tackle even tough climbs. We even fitted a thinner handlebar and grips, so that small hands have full control on any trail.
Frame description
Built from the same heat-treated 6061 aluminium tubes as our adult bikes, the Acid 240's frame is every bit as tough as a full-size mountain bike, but with the right weight and proportions for a child. There's a bottle mount for mid-ride refreshment and rack mounts, too. The handling is designed to be both fun and confidence-inspiring. And, because we know accidents can happen, we made the gear hanger easily replaceable so that a knock or crash needn't result in an expensive repair.
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | Aluminium Lite 6061 |
Fork | Rigid Alloy fork |
Headset | Cube A-Headset |
Stem | AR CUBE Aluminium Lite |
Bars | AR CUBE Aluminium, 580mm, 25.4 |
Front Brake | Alloy V-Brake with Powermodulator |
Rear Brake | Alloy V-Brake with Powermodulator |
Brake Lever | Alloy V-Brake with Powermodulator |
Rear Mech | Microshift RD-M619M, 9-Speed |
Shifters | Microshift SL-M9295, Xpress Shifter |
Speed | 9 |
Rims | CUBE ACE17, 24H |
Front Hub | Cube Aluminium, QR |
Rear Hub | Cube Aluminium, QR |
Front Tyre | Schwalbe Billy Bonkers 2.0 |
Rear Tyre | Schwalbe Billy Bonkers 2.0 |
Seat Post | Cube Aluminium Lite |
Saddle | Cube Kid |
Chainset | Prowheel, 32T, 140mm with Chainguard, Aluminium |
Chain | KMC X9 |
Cassette | Microshift CS-H093A, 11-42T |
Pedals | Cube Kid |
Weight | 9.3 |
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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