Riprock Coaster 20
OverviewAbout the Specialized Riprock Coaster 20
The Specialized Riprock Coaster 20 is a kids bike, built on a aluminium frame, listed at $450. A bike sized and geared for younger riders.
SpecificationsWhat we know
- Brand
- Specialized
- Model year
- 2024
- Category
- Kids
- Frame
- Aluminium
- Wheel size
- 20-inch
- Brakes
- Rim
- Frame sizes
- 20
- Price
- $450, RRP AUD (Specialized Australia, checked 17 Oct 2026)
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize 20
- Stack
- 413 mm
- Reach
- 315 mm
- Stack/reach
- 1.31
- Head angle
- 70 deg
- Seat angle
- 72 deg
- Wheelbase
- 858 mm
- Chainstay
- 386 mm
- BB drop
- 42 mm
Drivetrain & buildFull specification
- Shifting
- Mechanical
- Drive
- 1x
- Crank
- Hi-Ten steel, 114mm
- Brakes
- V-brake, linear pull
- Wheelset
- 20" alloy, 16mm depth, 21mm internal width
- Rim internal width
- 21 mm
- Stock tyre
- 20x2.3
- Fork material
- Alloy
- BB standard
- Feimin FP-B701, 68MM
- Cockpit
- Die Cast Aluminum, 37mm length, 10 degree, 22.2 clamp diameter / BMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 560mm width, 22.2mm
- Saddle
- Specialized Kids' Henge
Bike DNAWhat the numbers say
- Position
- Stack-to-reach 1.31 gives a long and low, racier riding position.
- Steering
- A 70 deg head angle points to stable, relaxed steering.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (Specialized Australia product page 221628 (spec list and geometry chart)), verified 2026-10-17. This is a specification analysis, not a physical ride review.
Where to buyStockist
BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked.
