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Specialized 2018 RIPROCK COASTER 16 Boys Gloss Tarmac Black/B6517-9707

ID: B6517-9707

Stock Status: Available to Order Online

Only 1 left in Store


             Kids Bike Sizing Guide

     Age               Size        Height (cm)

    2 - 4           10” – 12”          85 – 105

    4  -6                14”              105 – 117

    5 - 7                16"              112 – 125

    7 - 10               20"              125 - 136

    10 +                 24"                 136+

  All Aforesaid Values Are Only Guidelines

Size chart

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The UK's Largest Cycle Outlet

Product Description



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 aluminium 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 tyres 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.
Technical Specifications
FRAME Specialized A1 Premium Aluminum
FORK HiTen, 1-1/8" steerer
FRONT HUB Steel, 3/8" axle, 28h
REAR HUB Rear coaster brake, 3/8" Cr-Mo axle, loose ball bearings, 16T cog, 28h
SPOKES Stainless, 14g
RIMS 16", alloy single wall, pin joint, 28h
INNER TUBES Schrader valve 
FRONT TYRE Rhythm Lite, 16x2.3", 30TPI, wire bead, directional tread
REAR TYRE Rhythm Lite, 16x2.3", 30TPI, wire bead, directional tread
CRANKSET Hi-Ten steel
BOTTOM BRACKET Steel, loose ball bearings
CHAIN KMC Z510, single-speed, anti-drop, 1/2"x1/8"
FRONT BRAKE V-brake, alloy, linear pull
HANDLEBARS BMX, steel, 10-degree backsweep, 4-degree upsweep, 115mm rise, 520mm width, 22.2mm
GRIPS HiTen, 1-1/8" steerer
STEM Ahead, alloy, 1-1/8" steerer, 22.2mm clamp, 37mm extension
SADDLE Specialized Kids'
SEATPOST Steel, 25.4mm
SEAT BINDER Alloy, 28.6mm
PEDALS Nylon platform w/reflectors
Specifications subject to change without notice.

Riprock Coaster 16 Bike Geometry
Size 16
B-B Drop 27mm
Chain-Stay Length 310mm
Fork Rake 5mm
Front-Center 399mm
Head-Tube Angle 70°
Head-Tube Length 80mm
Reach 272mm
Seat-Tube Angle 71°
Seat-Tube Length, B-B Center to Top 210mm
Stack 358mm
Stand-Over Height 405mm
Top-Tube Length, Horizontal 395mm
Trail 72mm

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