Riprock Coaster 20
Riprock Coaster 20
Riprock Coaster 20
Riprock Coaster 20
Riprock Coaster 20
Riprock Coaster 20
Riprock Coaster 20
Riprock Coaster 20
Regular price$450.00
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Tax included. Shipping calculated at checkout.
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🚚 Bike freight $200 (QLD, NSW, VIC, ACT, TAS & SA)



Find Your Specialized Bike Size

The Riprock Coaster 20 is the next step up from the Coaster 16 — same intuitive coaster-brake concept on the rear (back-pedal to stop), V-brake front for hand-brake skills, in a 20 inch wheel size that suits riders 5-7 years old. Steel frame for durability when learning means dropping the bike.

Key Features

  • Steel frame — durable enough for everyday kid use
  • Coaster brake rear (back-pedal to stop) — easy for kids transitioning from a 16
  • V-brake front with tool-less reach-adjust — kid-sized lever
  • Rhythm Lite tyres, 20×2.3 inch — fast on tarmac, grippy on dirt
  • Suits riders ~110-130 cm tall (typically 5-7 year olds)

Why You'll Love It

For Mackay kids stepping up from a 16 inch and not quite ready to manage gears yet — the Coaster 20 is the right pick. Same back-pedal-to-stop as their old bike, just bigger wheels for school runs and family rides. Sized + fitted in-store at Mackay Cycles.

Technical Specifications

  • Frame: 2017 Riprock Coaster 20
  • Fork: Hi-Ten steel
  • Crankset: Hi-Ten steel crank arms, 114mm
  • Bottom Bracket: Feimin FP-B701, 68MM
  • Chain: KMC Z510, single-speed, anti-drop, 1/2"x1/8"
  • Front Brake: V-brake, linear pull
  • Rear Brake: V-brake w/ tool-less reach adjust brake lever
  • Front Hub: Steel, bolt-on, 100mm spacing, loose ball bearings, 36h
  • Rear Hub: Coaster brake, bolt-on, loose ball bearings, 110mm spacing, 18T cog, 36h
  • Rims: 20" alloy, 16mm depth, 21mm internal width
  • Spokes: Stainless, 14g
  • Front Tyre: Rhythm Lite, 30 TPI, wire bead, 20x2.3"
  • Rear Tyre: Rhythm Lite, 30 TPI, wire bead, 20x2.3"
  • Inner Tubes: Standard, Schrader valve
  • Handlebars: BMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 560mm width, 22.2mm
  • Stem: Die Cast Aluminum, 37mm length, 10 degree, 22.2 clamp diameter
  • Grips: Specialized, slip-on
  • Saddle: Specialized Kids' Henge
  • Seatpost: Steel, 25.4mm
  • Seat Binder: Bolt-type, 28.6mm
Specialized Riprock Coaster 20 Mackay Cycles Mackay QLD Mackay Queensland Mackay QLD City Gates Paget Ooralea Bakers Creek Rosella Te Kowai Walkerston Glenella North Mackay Andergrove Slade Point Finch Hatton Eungella Pioneer Valley Sarina Proserpine Airlie Beach Whitsundays Cannonvale Mackay Cycles My Ride 99 Bikes Bicycle Superstore Corry Cycles Bicycle Connection Push Bikes Cycleworx BikeExchange Specialized Scott Trek Giant Merida Cannondale Avanti Norco Polygon
  • Bike freight (QLD, NSW, VIC, ACT, TAS & SA): $200
  • Click & Collect: Free
  • WA / NT: by quote

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WHY CHOOSE US?

MACKAY CYCLES

Locally owned and operated family business

Our passion inspires the pursuit of freedom.  Absorb yourself in the ultimate cycling destination 

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AFTER PURCHASE SERVICE

We provide after purchase service, warranty and advice on all Specialized products we stock

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Testimonials

★★★★★

Good range of products from “budget but not junk” to top shelf. Staff seem passionate and knowledgeable about bikes and ride themselves. Always a good experience shopping at Mackay Cycles.

Scott
Queensland, Australia
★★★★★

Good customer service, Service completed swiftly and ahead of schedule

Andrew
Queensland, Australia
★★★★★

The team had great knowledge on all the products and the customer service was awesome.

Luke
Queensland, Australia
★★★★★

Today I purchased my second bike through Mackay Cycles and couldn’t be happier. Very knowledgeable and helpful staff.

Hayden
Queensland, Australia
★★★★★

I broke my bike Saturday morning and they fixed it the same day so I could go and do shuttles on the Sunday. Excellent service and price.

Gene
Queensland, Australia
★★★★★

Friendly helpful service. They could not make it any easier. Thankyou

Craig
Queensland, Australia
★★★★★

Today I purchased my second bike through Mackay Cycles and couldn’t be happier. Very knowledgeable and helpful staff.

Hayden
Queensland, Australia

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