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Today’s DealsRiprock Coaster 12
A 12″ aluminum frame general youth bike with coaster brakes.
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Manufacturer Price
MX$7,000($405)| Frame | Aluminum |
|---|---|
| Suspension | Rigid |
| Fork | Steel |
| Wheels | 12″ Aluminum |
| Brakes | Coaster |
Summary
The Specialized Riprock is a well-designed youth mountain bike that excels in lightweight construction, modern geometry, and kid-specific components, making it an excellent choice for young trail riders. Its slacker geometry, reduced chainstay lengths, and dropped stack heights improve handling and comfort, while the inclusion of hydraulic disc brakes and wide-range cassettes enhances performance. However, some models feature rigid forks, which may limit suspension performance for more aggressive trails.
Lightweight and durable design
Modern geometry for improved handling
Kid-specific components for comfort and efficiency
Hydraulic disc brakes and wide-range cassettes
Fun color and graphics designs
Rigid forks on some models limit suspension performance
Coaster brake can be challenging for beginners
Seat post adjustment requires tools
Specialized Bicycles has released a new kids bike for 2022, it’s called Riprock.
“Most young riders don’t need suspension forks, and by offering a rigid fork, we’re able to dramatically reduce the bike weight, which ultimately results in a more positive experience for smaller, less powerful riders.”Pinkbike
Small, yet mighty, the Specialized Riprock 12, previously called the Hotrock 12, is a fun and well-designed little machine capable of getting the youngest and tiniest kids off and riding.
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Oct 2021
Specialized introduces an updated Riprock for young rippers with all the bells and whistles of its classic adult bikes. It has modern geometery and some cool new parts to go with the redesigned frame.

Oct 2021 · Mike Kazimer
The new Riprocks have updated geometry and components selected especially for smaller riders.

Mar 2021 · Natalie Martins
A best-selling bike shop kids bike, the Specialized Riprock 12 is an update on the popular Hotrock 12. Read our full review!
Lightweight and durable
Pushed forward bottom bracket for easier pedaling
Training wheels don't require tools to take on and off
Thick, cushioning tires
Adjustable-height handlebar for growing kids
Fun color and graphics designs
No handbrake
Coaster brake can be challenging for kids learning to pedal
Seat post requires Allen key to adjust
| Frame | Specialized A1 Premium Aluminum |
|---|---|
| Fork | Hi-Ten steel |
| Bottom Bracket | Steel, loose ball bearings |
| Stem | Die Cast Aluminum, 35mm length, 22.2 clamp diameter |
| Handlebar | BMX, steel, 10-degree backsweep, 4-degree upsweep, 65mm rise, 470mm width, 22.2mm |
| Saddle | Specialized Kids' |
| Seatpost | Steel, 22.2mm Type: Rigid |
| Pedals | Nylon platform w/ reflectors |
| Grips | Specialized, slip-on |
| Crank | Hi-Ten steel, 76mm, Steel, 26T |
|---|---|
| Chain | KMC Z510, single-speed, anti-drop, 1/2"x1/8" |
| Brakes | Coaster Type: Coaster |
| Rims | 12" alloy, 16mm depth, 21mm internal width |
|---|---|
| Spokes | Stainless, 14g |
| Front Hub | Bolt-on, 95mm spacing, loose ball bearings, 16h |
| Rear Hub | Coaster brake, bolt-on, loose ball bearings, 110mm spacing, 16T cog, 16h |
| Tires | Front: Rhythm Lite, 30 TPI, wire bead, 12x2.3", Rear: Rhythm Lite, 30 TPI, wire bead, 12x2.3" |
First added November 6
Last updated May 9
Not listed for 25 days