Riprock
Origin
Specialized launched the Riprock in the mid-2010s as its dedicated kids' off-road line, sitting above the entry Hotrock in ambition: a genuine junior mountain bike rather than a shrunken pavement bike. The early generation (roughly 2015-2021) leaned into a fun, rugged image with fat 2.8in tyres and a short-travel SR Suntour coil fork, aiming to look and feel like a real trail bike. For 2022 Specialized tore the geared 20 and 24 models down to the studs and rebuilt them around a single idea: weight matters most for small, low-powered riders. Out went the suspension fork, in came a light rigid alloy fork, slacker geometry borrowed from the adult Stumpjumper/Rockhopper range, a 9-speed drivetrain and hydraulic discs. The Coaster models (12/16/20in, single-speed, coaster brake) carry the name for the youngest first-pedallers, keeping things simple and cheap.
Specifications
- Frame
- A1 premium/butted aluminium (alloy)
- Weight
- kg
- Drivetrain
- 2022+ geared: 1x9-speed, MicroShift Advent/Trail Pro trigger shifter, 30T chainring, 11-42T cassette. Older 2018-2021: 7-speed. Coaster models: single-speed
- Brakes
- 2022+ geared 20/24: hydraulic disc (C-STAR / radial), 160mm rotors. 24 Expert: SRAM Level hydraulic. Older 2018-2021: mechanical disc. Coaster: rear coaster (pedal-back) brake
- Wheels
- 20in or 24in on geared models (Roval on current 24); 12in / 16in / 20in on Coaster models
The verdict
- Genuinely light for a kids' bike with a real MTB build (hydraulic discs, 9-speed, Ground Control tyres)
- Modern slack geometry and kid-specific touch points (narrow bars/grips, short reach) inspire confidence
- Solid resale value and durable A1 alloy frame - a good grow-with-me and hand-me-down bike
- Expensive versus generic kids' bikes; the 24 Expert is a serious investment
- Narrow 'best fit' window - kids can outgrow a size quickly, and trigger-shifter ergonomics can be a stretch for small hands
- Geared models ship with tubed (non-tubeless) tyres, adding weight and pinch-flat risk on rocky trails
Generations
1st gen (approx 2015-2021)
- Fun, rugged, heavier; suspension fork and fat tyres for a 'mini trail bike' look.
- Brakes
- Mechanical disc
2022+ redesign (geared 20/24)
- Rigid fork deletes weight; slacker modern geometry, hydraulic discs, dropper-compatible 24. A different bike - do not confuse specs with the older model.
- Brakes
- Hydraulic disc, 160mm
24 Expert (2022+)
- Premium flagship with real air fork and tubeless wheels; roughly double the price of the rigid 24.
- Brakes
- SRAM Level hydraulic
Versions & builds
Every official build side by side — differences highlighted.
| Spec | CurrentRiprock Coaster 12 | CurrentRiprock Coaster 16 | CurrentRiprock Coaster 20 | CurrentRiprock 20 (rigid, redesign) | CurrentRiprock 24 (rigid, redesign) | CurrentRiprock 24 Expert | Riprock 20 (1st gen) | Riprock 24 (1st gen) |
|---|---|---|---|---|---|---|---|---|
| Year | 2022 | 2022 | 2022 | 2022 | 2022 | 2022 | 2018 | 2018 |
| Frame | A1 aluminium | A1 aluminium | A1 aluminium | A1 aluminium | A1 aluminium butted | A1 aluminium | A1 premium aluminium | A1 premium aluminium |
| Drivetrain | Single-speed | Single-speed | Single-speed | 1x9 MicroShift Advent | 1x9 MicroShift, 11-42T | 1x11 SRAM NX | 7-speed | 7-speed |
| Brakes | Coaster brake | Coaster brake | Coaster brake | Hydraulic disc, 160mm | Hydraulic disc, 160mm | SRAM Level hydraulic disc | Mechanical disc | Mechanical disc |
| MSRP | €280 | €300 | €340 | €650 | €750 | €1,600 | — | — |
| Purpose | Value | Value | Value | Balanced | Balanced | Flagship | Value | Value |
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