Specialized Riprock Coaster 12W  2022 Kids Bike
Frame:Specialized A1 Premium Aluminum
Fork:HiTen, 1" threaded steerer
Stem:Quill, alloy, 22.2mm clamp
Bars:Specialized Kids|, steel, 10-degree backsweep, 4-degree upsweep, 55mm rise, 22.2mm
Front Brake:V-brake, alloy, linear pull
Speed:1
Rims:12", aluminum, single wall, 16H
Front Hub:Steel, 3/8" axle, 16h
Rear Hub:Rear coaster brake, 3/8" Cr-Mo axle, loose ball bearings, 16T cog, 16h
Spokes:Stainless, 14g
Front Tyre:Rhythm Lite, 12x2.3", 30TPI, wire bead, directional tread
Rear Tyre:Rhythm Lite, 12x2.3, 30TPI, wire bead, directional tread
Seat Post:Alloy, 25.4mm
Saddle:Specialized Kids
Chainset:Hi-Ten steel,26T
Bottom Bracket:Steel, loose ball bearings
Chain:KMC Z510, single-speed, anti-drop, 1/2"x1/8"
Pedals:Nylon platform w/reflectors

What are the delivery costs?

We offer Free UK Mainland Delivery on all orders over £20. Products shipped to outlying UK regions are excluded from free shipping.

Standard delivery is normally 2 - 5 working days.

Please view our delivery page for full information on UK and international delivery costs.

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" tyres 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.
  • 16x2.3" Rhythm Lite tires deliver tons of traction, comfort, stability, and fun over all types of terrain. 
  • Steel coaster brake is a reliable, easy to use brake perfect for safe stops and awesome skids.

Occasionally, without notice, manufacturers change product design and/or specifications.