Specialized Riprock Coaster 12W 2022 - Kids Bike
The first step in their cycling adventure. A 12” wheeled kids bike Specialized Riprock Coaster is the perfect start for boys and girls wanting to ride two wheels. For the littlest ones who want the freedom of exploring the world of cycling, the Riprock deliver a superb ride, complete with lightweight alloy frame and removable training wheels, so they can still ride around while building their balance skills.
Key Features:
- Light & easy to handle aluminium frame
- Low standover height for easy mounting
- Rhythm Lite tyres offer plenty of traction & stability
- Reliable steel coaster brake
- Size: 12” wheels
- Colour: Black/Emerald/Hyper Green, Charcoal/Rainbow Flake Pink/Neon Blue
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" 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.
12x2.3" 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.
All Tredz bikes are:
- Fully built & ready to ride
- Fully checked & tested by Cytech qualified mechanics
- Available with 0% APR finance on baskets over £99
- 365 day no hassle returns
- Free delivery in the UK Mainland on a date that suits you
In the box with every Tredz bike is:
- Free Tredz 9 key trail tool
- Free Tredz pedal spanner
- Free basic pedals
- Tredz drawstring kit bag
- 16 point quality control check sheet
- Basic bike setup instructions
Occasionally, without notice, manufacturers change product design and/or specifications.
| 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 |
Junior Bike Size Chart
|
Approx. Age |
Height (cm) |
Type / Wheel Size |
|
1 - 4 |
77 – 105cm |
Balance |
|
2 - 4 |
85 – 105cm |
12" |
|
4 - 6 |
105 – 117cm |
14" |
|
5 - 7 |
112 – 125cm |
16” |
|
6 - 8 |
117 – 132cm |
18” |
|
7 - 10 |
125 – 136cm |
20” |
|
10+ |
136+cm |
24” |
Read our kids bike size guide for more information on kids bike sizing.
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