Riprock Coaster 16
Part No.  

Riprock Coaster 16

Part No.  118242
With our Riprock Coaster 16, 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 16x2.3" 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.
  • 16x2.3" Rhythm Lite tires deliver tons of traction, comfort, stability, and fun over all types of terrain. 

Technical Specifications

CHAIN KMC Z510, single-speed, anti-drop, 1/2""x1/8""
BOTTOM BRACKET Steel, loose ball bearings
CRANKSET Hi-Ten steel
FRONT HUB Steel, nutted axle, 36h
REAR HUB Rear coaster brake, 3/8"" Cr-Mo axle, loose ball bearings, 16T cog, 28h
INNER TUBES Schrader valve 
SPOKES Stainless, 14g
RIMS 16"", alloy single wall, pin joint, 28h
FRONT TIRE Rhythm Lite, 16x2.3"", 30TPI, wire bead, directional tread
REAR TIRE Rhythm Lite, 16x2.3"", 30TPI, wire bead, directional tread
SADDLE Specialized Kids'
SEATPOST Steel, 25.4mm
STEM Ahead, alloy, 1-1/8"" steerer, 22.2mm clamp, 37mm extension
HANDLEBARS BMX, steel, 10-degree backsweep, 4-degree upsweep, 115mm rise, 520mm width, 22.2mm
GRIPS Specialized, dual colored 
PEDALS Nylon platform w/reflectors
SEAT BINDER Alloy, 28.6mm
FORK HiTen, 1-1/8"" steerer
FRAME Specialized A1 Premium Aluminum


Geometry Chart

- Geometry

Crank Length 3.5in
Stem Length 37mm
Handlebar Width 520mm
Seat Post Length 230mm
Reach 272mm
Wheelbase 707mm
Stack 358mm
Seat-Tube Length, B-B Center to Top 210mm
Head-Tube Length 80mm
Top-Tube Length, Horizontal 395mm
Front-Center 399mm
Head-Tube Angle 70°
Fork Rake 5mm
Trail 72mm
Stand-Over Height 405mm
Chain-Stay Length 310mm
Seat-Tube Angle 71°
B-B Drop 27mm