Ridgeback Dimension 20 Kids Bike - Perfectly Plum

The Ridgeback Dimension 20 Kids Bike combines lightweight construction, child-specific design, and...

Best current price£349.99from Team Cycles

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Team CyclesRidgeback Unisex Kids Purple Dimension 20 Kids Bike Perfectly Plum
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Tweeks Cycles"Ridgeback Dimension 20" Kids Bike - 2026" - Perfectly Plum
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Product Information

Full details

The Ridgeback Dimension 20 Kids Bike is designed for children aged 5½ and up, offering a lightweight, confidence-building ride with the added versatility of gears. Its key benefit is making longer rides, bigger adventures, and the transition to gears feel smooth and manageable. A potential caveat is that the gear system requires some initial understanding for young riders. This bike combines a lightweight aluminium frame, child-specific geometry, and 7-speed Shimano gearing to ensure comfortable and efficient pedaling for growing adventurers.

All features

Model Part NumberRB1681200
BrandRidgeback

Extended Product Information

FAQs

What is the recommended age range for this bike?

The Ridgeback Dimension 20" is recommended for children aged approximately 5.5 to 8.5 years, or between 112cm and 130cm in height.

Does the bike come fully assembled?

The bike typically requires some final assembly, such as attaching the handlebars, front wheel, pedals, and seat post. Professional assembly by a bike mechanic is strongly advised for safety and correct setup.

How do I maintain the gears?

Keep the drivetrain clean and lubricated. If gears are not shifting correctly, they may require professional adjustment. Avoid shifting gears while stationary; pedal gently when changing gears.

Are the tyres suitable for off-road riding?

The Nutrak by Vee Speedster tyres are designed for general use, including roads, cycle paths, and light, dry trails. They are not intended for technical off-road riding or muddy conditions.

What does the steering limiter do?

The steering limiter is a safety feature that prevents the handlebars from turning too far and causing the front wheel to tuck under, which can lead to a fall. It helps maintain stability, especially for less experienced riders.

How often should I check the brakes?

Brakes should be checked before every ride for basic function. More thorough checks, including pad wear and cable tension, should be performed regularly, with professional servicing recommended at least annually or as per the manufacturer's guidelines.

Troubleshooting

Gears are not shifting smoothly.

Check that the gear cable is not stretched or damaged. Ensure the derailleur is correctly aligned. For precise adjustment, consult a bicycle mechanic as gear indexing can be complex.

Brakes feel weak or don't stop effectively.

Inspect the brake pads for wear and replace if necessary. Ensure the brake cables are taut and properly adjusted. Check that the brake rims/rotors are clean and free from debris.

Chain is skipping or falling off.

Ensure the chain is clean and properly lubricated. Check for any kinks or damage in the chain. If the issue persists, the derailleur may need adjustment or the chain/cassette may be worn.

Tyre seems to be losing air slowly.

Check the tyre for embedded objects like thorns or glass. Inspect the valve stem for leaks. If the leak persists, the inner tube may have a slow puncture and require repair or replacement.

Pros and Cons

Pros

  • Lightweight construction for easier handling and control.
  • Ergonomically designed components for improved comfort and fit for smaller riders.
  • 7-speed gears offer versatility for varied riding conditions.
  • Puncture-resistant tires reduce the likelihood of unexpected stops.
  • Steering limiter enhances stability and rider confidence.
  • Lowered frame makes getting on and off the bike easier.

Cons

  • The 7-speed gear system may require an introduction for children new to gears.
  • While puncture-resistant, tires can still be punctured by sharp objects.
  • Reflective tyre details are a safety feature but do not replace active lighting in low-light conditions.
  • Aluminium frame, while light, can be susceptible to dents from significant impacts.
  • Requires periodic maintenance typical of geared bicycles.

Setup, Compatibility & Care

Initial Setup: While most bikes are partially assembled, the Ridgeback Dimension 20" may require final assembly of the handlebars, front wheel, pedals, and seat post. It is highly recommended to have a qualified bicycle mechanic complete this process to ensure all components are correctly fitted and adjusted for safety and optimal performance. Ensure brakes are properly adjusted and gears are indexed.

Compatibility: This bike is designed for children with an approximate height range of 112cm to 130cm (ages 5.5 to 8.5 years). Ensure the child can comfortably straddle the bike with at least one foot flat on the ground when standing over the top tube. The bike is primarily suited for on-road use, cycle paths, and light off-road trails.

Care and Maintenance:

  • Cleaning: Regularly clean the bike with a damp cloth and mild soap. Avoid high-pressure washing, which can damage bearings and seals. Dry the bike thoroughly, especially the chain, after washing.
  • Chain Lubrication: Keep the chain clean and lubricated with a suitable bicycle chain lubricant. Apply sparingly and wipe off excess.
  • Tyre Pressure: Maintain recommended tyre pressure as indicated on the tyre sidewall for optimal performance and puncture resistance.
  • Brake and Gear Checks: Periodically check brake pad wear and adjust brakes as needed. Ensure gears shift smoothly; if not, they may require adjustment by a professional.
  • Storage: Store the bike in a dry place away from direct sunlight and extreme temperatures to prevent corrosion and material degradation.

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