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With our Riprock Coaster 12, riding gets boiled down to its simplest element—fun. And to make sure of it, we designed the bike with tons of cool features that are easy for your little ones to use, like a coaster brake for simple stopping, wide 12x2.3" tires that increase stability and confidence, and tough components that will stand up to years of abuse. It's the perfect bike for your little ripper to start getting out on the trail with—we just wish that we had one when we were kids.
- The premium A1 aluminum frame is lightweight and built to withstand the tough use by kids, while the geometry features an ultra-low standover that makes it easy for your little ones to fit on and grow with the bike.
- Steel coaster brake is a reliable, easy to use brake perfect for safe stops and awesome skids.
- 12x2.3" Rhythm Lite tires deliver tons of traction, comfort, stability, and fun over all types of terrain.
Manual Downloads
Technical Specifications
DRIVETRAIN
| CHAIN | KMC Z510, single-speed, anti-drop, 1/2"x1/8" |
| BOTTOM BRACKET | Steel, loose ball bearings |
| CRANKSET | Hi-Ten steel, OPC, 76mm |
| CHAINRINGS | 26T |
WHEELS
| FRONT HUB | Steel, bolt-on, 95mm spacing, loose ball bearings, 16h |
| REAR HUB | Rear coaster brake, bolt on, 110mm spacing, loose ball bearings, 16T cog, 16h |
| INNER TUBES | Schrader valve, angled valve for easy access |
| SPOKES | Stainless, 14g |
| RIMS | 12", alloy single wall, 16h |
| FRONT TIRE | Rhythm Lite, 12x2.3", 30 TPI, wire bead |
| REAR TIRE | Rhythm Lite, 12x2.3", 30 TPI, wire bead |
COCKPIT
| SADDLE | Specialized Kids |
| SEATPOST | Steel, 25.4mm |
| STEM | Quill, alloy, 22.2mm clamp |
| HANDLEBARS | BMX, steel, 10-degree backsweep, 4-degree upsweep, 65mm rise, 470mm width, 22.2mm |
| GRIPS | Specialized, slip-on |
BRAKES
| FRONT BRAKE | V-brake, alloy, linear pull, tool-less reach adjust brake lever |
ACCESSORIES
| PEDALS | Nylon platform w/ reflectors |
FRAMESET
| SEAT BINDER | Bolt type, alloy, 28.6mm |
| FORK | Hi-Ten, 1" threaded steerer |
| FRAME | Specialized A1 Premium Aluminum |
* Specifications are subject to change without notice
Geometry
Riprock - Geometry
| 6 | |
|---|---|
| Crank Length | 3in |
| Stem Length | 35mm |
| Seatpost Length | 190mm |
| Handlebar Width | 470mm |
| Reach | 222mm |
| Top Tube Length, Horizontal | 350mm |
| Stack | 274mm |
| Wheelbase | 603mm |
| Chainstay Length | 272mm |
| Front Center | 331mm |
| BB Drop | 11mm |
| Seat Tube Angle | 71° |
| Head Tube Angle | 70° |
| Head Tube Length | 80mm |
| Seat Tube Length, BB Center to Top | 170mm |
| Fork Rake | 5mm |
| Standover Height | 365mm |
| Trail | 53mm |