Riprock Coaster 12
Part No.  

Riprock Coaster 12

Part No.  118244
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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 our 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 which 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. 

Technical Specifications

FRAMESET
SEAT BINDER Alloy, 28.6mm
FORK HiTen, 1"" threaded steerer
FRAME Specialized A1 Premium Aluminum
WHEELS
FRONT HUB Steel, 3/8"" axle, 16h
REAR HUB Rear coaster brake, 3/8"" Cr-Mo axle, loose ball bearings, 16T cog, 16h
INNER TUBES Schrader valve 
SPOKES Stainless, 14g
FRONT TIRE Rhythm Lite, 12x2.3"", 30TPI, wire bead, directional tread
RIMS 12"", aluminum, single wall, 16H
REAR TIRE Rhythm Lite, 12x2.3, 30TPI, wire bead, directional tread
DRIVETRAIN
BOTTOM BRACKET Steel, loose ball bearings
CHAIN KMC Z510, single-speed, anti-drop, 1/2""x1/8""
CRANKSET Hi-Ten steel
CHAINRINGS 26T
COCKPIT
SADDLE Specialized Kids'
SEATPOST Alloy, 25.4mm
GRIPS Specialized, dual colored 
HANDLEBARS Specialized Kids', steel, 10-degree backsweep, 4-degree upsweep, 55mm rise, 22.2mm
STEM Quill, alloy, 22.2mm clamp
ACCESSORIES
PEDALS Nylon platform w/reflectors

Geometry

Geometry Chart

- Geometry

 
Crank Length 3in
Stem Length 35mm
Handlebar Width 470mm
Seat Post Length 190mm
Reach 222mm
Wheelbase 603mm
Stack 274mm
Seat-Tube Length, B-B Center to Top 170mm
Head-Tube Length 80mm
Top-Tube Length, Horizontal 350mm
Front-Center 331mm
Head-Tube Angle 70°
Fork Rake 5mm
Trail 53mm
Stand-Over Height 365mm
Chain-Stay Length 272mm
Seat-Tube Angle 71°
B-B Drop 11mm

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