Why buy your bike from Sigma Sports?
Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.
Save up to 47% with any one of our 11 Cycle to Work partners, and get the health benefits of a new bike in exchange for tax free salary sacrifice. To find out more about our various partners and how to apply click here.
Choose between Free Bike Delivery - to your home or place of work - or our new Premier Bike Delivery Service £99.99 and have your bike delivered "ready to ride" and set up to your measurements with seatpost and pedals adjusted on arrival by a qualified bike mechanic. Either way, our Customer Care team will be in touch to arrange a delivery date to suit you.
We've partnered with Laka to offer you 30 days free bike Insurance on your new bike purchase over £400. Click here for more info and find out how to claim.
Specialized Riprock 20 Kids Bike
Riprock is more than just a bike for kids; it's a gateway to fearless riding and boundless adventure. Designed with modern geometry, Ground Control tires, hydraulic disc brakes, and internally routed cables, it's equipped to handle the wildest imaginations. Featuring a wider-range drivetrain, Riprock empowers young riders to conquer ascents and descents with ease, encouraging them to explore without limits.
Comfort and confidence are paramount, which is why Riprock prioritizes fit and ergonomics. Through data-driven design, we've optimized everything from grip to seating position, ensuring that every ride is as comfortable as it is exhilarating. With features like a 130mm Bridge saddle, narrower Q factor, and shorter cranks, Riprock promotes proper alignment and reduces the risk of injury, fostering a sense of security and freedom.
Specifically tailored updates inspire even greater confidence. From narrow grips to refined frame geometry, every aspect of Riprock is engineered to enhance handling and encourage riders to push their limits. Combining a lightweight build with an updated frame and wide-range drivetrain, Riprock effortlessly conquers climbs, making it the ideal companion for young trailblazers.
Rooted in Specialized's mountain bike heritage, Riprock embodies the spirit of trail riding. With its slack head tube angle, hydraulic disc brakes, and Ground Control tires, it's poised to tackle any terrain with confidence and agility. Whether it's exploring new trails or mastering familiar paths, Riprock paves the way for unforgettable adventures in the great outdoors.
Technical Specification
| Fork | A1 Premium Butted Alloy, Alloy steerer, 15x110 mm, W/Mini Fender |
| Frame | A1 Premium Butted Alloy, unisex frame, internal cable routing, 148mm thru-axle, 30.9mm dropper post ready, replaceable derailleur hanger compatible |
| Seat Binder | Bolt-type, 34.9mm |
| Saddle | Kids Bridge Saddle, 130mm |
| Handlebars | Mini Rise, Alloy Double Butted, 6-degree Backsweep, 600mm Width, 31.8mm , 19mm Bar End Diameter |
| Grips | Specialized Trail Grips, 19mm bar end diameter, lock-on |
| SeatPost | Specialized, 6061 alloy, 2-bolt clamp, 0mm setback, 30.9mm |
| Stem | Stout 3D-forged alloy, 31.8mm, 6-degree rise |
| Front Brake | Promax DSK-926, Hydraulic Disc Brake, 160mm Rotor, Adjustable Reach |
| Rear Brake | Promax DSK-926, Hydraulic Disc Brake, 160mm Rotor, Adjustable Reach |
| Chainrings | 40T |
| Cassette | microSHIFT CS-H083, 11-38T, 8-speed |
| Rear Derailleur | microSHIFT Super Short derailleur RD-M5185S, 8-Speed, w/ Clutch |
| Crankset | Forged Alloy, 115mm length, narrow Q-factor, w/ chainguard |
| Chain | KMC X8 w/ Missing Link™ |
| Shift Levers | SHIFTER, MICROSHIFT, SL-M6285-SR, REAR, MOUNTAIN, HANDLE BAR MOUNT, SHORT REACH SHIFTER FOR 19MM BAR, W/ GEAR DISPLAY, 8 SP, W GREY RUBBER PAD LEVER, SHIMANO NOT COMPATIBLE |
| Bottom Bracket | Square-tapered, 68mm |
| Rims | Alloy, 16mm depth, 25mm internal width, 28H |
| Rear Hub | Alloy, 6-Bolt, 28H, 12x148 Boost, 11-speed compatible |
| Front Hub | Alloy, 6-Bolt, 28H, 15x110 Boost |
| Front Tire | Ground Control Sport, 20x2.35" |
| Rear Tire | Ground Control Sport, 20x2.35" |
| Inner Tubes | Schrader valve |
| Spokes | Stainless, 14g |
| Pedals | Nylon platform w/ reflectors |
| Weight | 9.79 kg (21 lb, 9.3 oz) |
| Weight Size | One Size |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
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