Reid Impact 20 vs Specialized Riprock Coaster 20
A side by side comparison of two kids bikes available in Australia, on price and specs. The Reid Impact 20 is the lower-priced of the two.
| 2 of 4 bikesDeltas are against the baseline | |||
|---|---|---|---|
| Price and where to buy | |||
| Current Australian price | $399.99Lowest | $450 | |
| RRP | $399.99 | $450 | |
| Price source | RRP AUD (Reid Cycles, checked 27 Oct 2026) | RRP AUD (Specialized Australia, checked 17 Oct 2026) | |
| Retailers | Reid Cycles | specialized.com | |
| Overview | |||
| Category | Kids | Kids | |
| Type | Non-electric | Non-electric | |
| Model year | Not published | 2024 | |
| Frame and suspension | |||
| Frame | Steel | Aluminium | |
| Fork | Not published | Alloy | |
| Wheels and tyres | |||
| Wheelset | Not published | 20" alloy, 16mm depth, 21mm internal width | |
| Wheel size | 20-inch | 20-inch | |
| Stock tyres | Not published | 20x2.3 | |
| Drivetrain | |||
| Groupset | Shimano 1x7 | Not published | |
| Shifting | 1x | Mechanical, 1x | |
| Crank | Not published | Hi-Ten steel, 114mm | |
| Cassette speeds | 7 | Not published | |
| Brakes and weight | |||
| Brakes | V-brakes with child specific levers | V-brake, linear pull | |
| Weight | Not published | 10.6 kg | |
| Geometry | |||
| Size shown | Not published | 20 | |
| Stack | Not published | 413 mm | |
| Reach | Not published | 315 mm | |
| Stack to reachHigher is more upright, lower is more stretched out. | Not published | 1.31 | |
| Head angleLower (slacker) is calmer at speed, higher (steeper) is quicker steering. | Not published | 70.0 deg | |
| Seat angle | Not published | 72.0 deg | |
| Wheelbase | Not published | 858 mm | |
| Chainstay | Not published | 386 mm | |
| BB drop | Not published | 42 mm | |
Geometry overlay
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- Specialized Riprock Coaster 20 (size 20) is the baseline.
Stack, reach, head and seat angles, wheelbase, chainstay and BB drop are drawn to scale from published charts. Tube shapes are schematic. No full geometry published for: Reid Impact 20.
BikeFinder Data Profile. Geometry and component figures are researched from published manufacturer and retailer sources, not physical ride tests, and can vary by model year.
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm current details with the seller before purchase.