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Specialized Riprock 20 Kids Bike in Carbon Grey / Hyper, a tough and beefy junior MTB with wide tyres for traction and stability and a cool little bike
Specialized Riprock 20 Kids Bike in Carbon Grey / Hyper, a tough and beefy junior MTB with wide tyres for traction and stability and a cool little bike

Specialized Riprock 20 Kids Bike 2021 - Carbon Grey

Click & Collect for Free

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!


With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on the Undetermined

Hassle Free Returns


The 30 Day bike exchange allows you to buy a bike with confidence. If you are unhappy with the bike you can return a new bike within 30 days and swap it for a different one. If you’re not happy with your new bike for any reason, please contact us at and we can arrange a convenient time bring it back into store and exchange it – so long as it’s clean and isn’t broken – by this we mean things like buckled wheels, crash damage, broken components, cracked frames etc.

Worn brakes and tyres are understandable and we’ll factor this into any exchange.

The 30 Day Bike Exchange is completely separate from our 30 day returns policy and applies to new and unused bikes. It can only be used once on each new bike purchase.

We do however urge all customers to test ride the bike prior to purchase to ensure they are happy with the fit and ride experience of the bike.


Any item, except food can be returned to us for any reason within 30 days, provided it has:

  • Not been used or fitted
  • Is returned in its original packaging
  • Has a valid proof of purchase from Beeline Bicycles

Online or in-store purchases can both be returned to any store free of charge, or can be returned by post.

Click & Collect customers can buy with confidence knowing they can try the item before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away in the store, or you still have up to 30 days to return it if you take it away.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase, Cheque payments will be refunded in cash but due to banking restrictions can only be refunded at least 14 days after the original purchase date.

We are unable to offer any refund without a valid receipt.


All products purchased from Beeline Bicycles come with a full warranty which covers manufacturing faults and defects in workmanship. If you feel that your purchase has developed a fault, the fastest response we can offer is to bring your product into store for an assessment. We will need to see your proof of purchase.

If taking your product in store is not an option then please email Please include photographs of your product (please keep below 20mb), a copy of receipt so we can immediately start to assess the issue.

In some cases the manufacturer/supplier and/or Beeline Bicycles may require to see the item(s) before repair or replacement can take place. If this is the case we will advise of return details and lead times.

All used items being returned to us must be cleaned for hygiene purposes.

On receipt of your goods we will carry out a full inspection & contact you within 3 working days of receipt.

Proof of purchase is also required with all potential warranty claims.


Please provide us with all the details of why you wish to return your purchase, as your input is invaluable to us when reviewing the products we stock.

If you are returning by post, please complete the Returns Form then attach the returns address label to your parcel. Please include a copy of the returns form and proof of purchase.

It is your responsibility to ensure that the item is returned to us in a safe and secure manner, we suggest that you use a recorded postal/courier service. Please ensure that the service you use covers the value of the goods in the parcel. Return shipping costs are non-refundable. If the item is being returned due to our error then any postage will be reimbursed upon assessment.

It can take 5 days for your parcel to reach us dependent on the courier’s service that is used. Once we receive your parcel we will inspect and process your return within 48 hours. Refunds can take up to 5 days with your bank to appear in your account. You will receive an email update upon the completion for your return.


Specialized Riprock 20 Kids Bike 2021 - Carbon Grey Information

Season : 2021

Brand : Specialized

Code : B6516-8009

Specialized: Traction, control, confidence, and fun—the Riprock 20 is the perfect bike for your kid to start hitting the trails.

While there are many notable features that make the Riprock awesome, it's the 2.8-inch tyres that provide a high degree of, well, shred-ability—delivering exceptional traction, control, and confidence for riding rough, off-road sections and city streets alike. And when you combine the big tyres with sturdy 20-inch wheels, mechanical disc brakes, and seven-speed shifting, you have the perfect mountain bike to get your little Ripper out on the path to a lifetime of fun rides.


  • The A1 premium 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.
  • Custom SR Suntour XCT fork features a sturdy construction and a coil spring that delivers 60mm of bump absorbing travel.
  • The 2.8-inch Big Roller tyres not only ensure exceptional traction, but also offer greater ride quality, stability, and loads of fun.

The measurement of kids bikes is mostly based on the wheel size. Whereas an adult mountain bike uses 27.5 to 29 inch wheels, kids bikes range from 12 inch wheel through to 26 inch. Although the manufacturers offer a guideline as to which ages the models are intended to fit, it is just that: a guideline.
Balance Bikes – the balance bikes we stock are made from aluminium, but still light and durable too, so you can pass it down to siblings. These allow the kids to gain confidence and scoot around on them.
14” Wheel Bikes – Predicted age range 2-4 years old: These come equipped with stabilisers and some models use a pedal back brake to allow the child easy braking when needed. The frames are lightweight aluminium offering durability.
16” Wheel Bikes – Predicted age range 3-6 years old: The 16” wheel bikes also come equipped with stabilisers, but these can be removed should you wish. The frames are lightweight aluminium offering durability.
20” Wheel Bikes – Predicted age range 5-8 years old: There are different versions available here; some models have a suspension fork like on a mountain bike, which adds weight, but tackles bumps and knocks with greater ease. The rigid fork lacks the bump absorption but reduces the weight of the bike significantly. These are normally equipped with 6 gears.
24” Wheel Bikes – Predicted age range 7-11 years old: These are the biggest sizes of kids bikes these bikes move onto triple chainset, giving the bikes 21 gears, and a real mini mountain bike feel, complement by the suspension fork and V-Brakes. A rigid fork version saves a significant amount of weight.
The Next Step – Smaller Size Mountain Bikes: For teenagers we normally find smaller size mountain bikes, such as 13.5”or 15” mountain bikes are popular, as are 26" wheel bikes.
Technical Information
Frame & Fork
Frame: Specialized A1 Premium Aluminium, Single-Butted, Zerostack Head Tube, 135mm Rear Hub Spacing, Forged Dropouts, Replaceable Derailleur Hanger
Fork: SR Suntour XCT, Coil Spring, Preload Adjust, 60mm Of Travel
Wheels & Tyres
Front Hub: Alloy, 6-Bolt Disc, 110mm Spacing, Loose Ball Bearings, QR, 32h
Rear Hub: Alloy, 6-Bolt Disc, 135mm Spacing, 7-Speed Freehub, Loose Ball Bearings, QR, 28h
Spokes: Stainless, 14g
Rims: 20", Double-Wall Aluminium
Inner Tubes: Schrader Valve
Front Tyre: Big Roller, 60 Tpi, Wire Bead, 20x2.8"
Rear Tyre: Big Roller, 60 Tpi, Wire Bead, 20x2.8"
Gears & Drivetrain
Crankset: Forged Alloy, 127mm
Chainrings: Steel, 30t
Bottom Bracket: BSA, Square Taper
Shift Levers: Shimano Tourney, Revo 7-Speed
Rear Derailleur: Shimano Tourney Rd-Tx800, 8-Speed
Cassette: Sunrace, 7-Speed, 11-34t
Chain: KMC Z51 Ept, Anti-Rust Coating, 7-Speed
Front Brake: Mechanical Disc, Organic Pads, 6-Bolt, Tool-Less Reach Adjust, 160mm
Rear Brake: Mechanical Disc, Organic Pads, 6-Bolt, Tool-Less Reach Adjust, 160mm
Handlebars: Double-Butted Alloy, 5-Degree Backsweep, 25.4mm
Grips: Specialized, Slip-On
Stem: 3d-Forged Alloy, 4-Bolt, 6-Degree Rise, 25.4mm Clamp, 60mm
Saddle: Specialized Kids' Henge
Seatpost: Alloy, Single-Bolt, 27.2mm
Seat Binder: Bolt-Type, 31.8mm
Pedals: Nylon Platform w/Reflectors
Sizing Information

Specialized Kids Bikes Size Guide

Age / Height

Suggested Frame Size

2-3 Years / <32” / <81cm


3-5 Years / 32 - 37” / 82 - 94cm

12” Wheel

5-6 Years / 37 - 42” / 95 - 104cm

16” Wheel

6-9 Years / 42 – 47” / 105 – 119cm

20” Wheel

9 – 12 Years / 47 – 56” / 120 – 142cm

24” Wheel


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