Blast
Origin
Carrera is the in-house bicycle brand of Halfords, the UK's largest motoring and cycling retailer. Established in the 1980s to fill a gap in the mid-range bike market, Carrera has grown into one of Britain's best-known bike names, sold exclusively through Halfords and its online channels. The bikes are designed and specified in the UK by Halfords' own engineering team, with manufacturing outsourced to factories in Asia and a declared focus on testing and customer feedback under the brand's 'Designed For More' banner. The Blast sits at the affordable end of Carrera's junior mountain-bike line: it is meant as a child's first 'proper' geared mountain bike with real suspension and knobbly tyres, bridging the gap between a pavement bike and a grown-up hardtail as kids graduate onto 20" and then 24" wheels.
Specifications
- Frame
- Lightweight aluminium alloy (both wheel sizes)
- Weight
- kg
- Drivetrain
- 20": 7-speed with Shimano Revoshift twist shifter. 24": 14-speed (2x7) with Shimano Revoshift twist shifters
- Brakes
- 20": alloy V-brakes (rim). 24": mechanical (cable) disc brakes front & rear
- Wheels
- 20" wheelset or 24" wheelset; quick-release front (and QR seatpost)
The verdict
- Aluminium frame keeps weight sensible for the price (20" ~11 kg) and won't rust
- Real size ladder with a proper spec step-up — 24" gets disc brakes and 14 speeds
- Growth-friendly and forgiving: adjustable seatpost, reach-adjust levers, lifetime frame/fork guarantee, easy twist shifting
- Heavy relative to premium kids brands (Frog, Islabike) — the 24" at ~14 kg is a lot for a child
- Budget coil suspension fork adds weight and does little; largely cosmetic on light trails
- Entry-level components (V-brakes on 20", cable discs on 24", Revoshift) need regular adjustment and can feel vague
Generations
Blast 20" (V-brake era)
- Smaller size for ~6-11 yr / 117-135 cm; rim brakes, single chainring.
- Wheels
- 20"
- Brakes
- V-brakes (rim)
Blast 24" (disc-brake step-up)
- Larger size for ~8-12 yr / 127-144 cm; disc brakes and double the gears — the meaningful spec jump in the Blast ladder.
- Wheels
- 24"
- Brakes
- Mechanical disc
Versions & builds
Every official build side by side — differences highlighted.
| Spec | CurrentBlast 20" | CurrentBlast 24" | Blast Limited Edition (20") |
|---|---|---|---|
| Year | — | — | 2022 |
| Frame | Aluminium | Aluminium | Aluminium |
| Drivetrain | 7-speed, Shimano Revoshift | 14-speed (2x7), Shimano Revoshift | 7-speed, Shimano Revoshift |
| Brakes | Alloy V-brakes | Mechanical disc (front & rear) | V-brakes |
| MSRP | €370 | €405 | — |
| Purpose | Value | Balanced | Value |
Tags
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