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Ridgeback Dimension 20-Inch 2026 Junior Bike

 
 
More Information
BrandRidgeback
Suitable forKids
Wheel Size20-inch
Since 1983 Ridgeback have been building bikes for UK riders and has an unmatched reputation for innovation and quality. From high performance flat bar and touring bikes to comfortable commuters and children's bikes, Ridgeback leads the way.
Ridgeback Dimension 20-Inch 2026 Junior Bike
Ridgeback Dimension 20-Inch 2026 Junior Bike Ridgeback Dimension 20-Inch 2026 Junior Bike Ridgeback Dimension 20-Inch 2026 Junior Bike

The Ridgeback Dimension 20 is a lightweight, premium bike designed for confident young riders aged 6 to 9 who want a smooth, easy-to-handle ride. With a strong aluminium frame and high-quality parts, the Dimension 20 helps kids explore new trails and master new skills with ease.

Why Parents Love It

  • Lightweight and Durable: The 6061 aluminium frame keeps the bike light for easy control, while still tough enough to handle everyday adventures
  • Reliable Braking: Powerful alloy V-Brakes provide confident stopping power that's easy for small hands to operate
  • Comfort and Fit: Child-specific geometry, adjustable saddle, and handlebars ensure a comfortable and secure ride
  • Ready for Adventure: Fast-rolling 20-inch alloy wheels with multi-surface tyres let kids ride confidently on roads, trails, and playgrounds alike

Designed for Growing Explorers

With 20-inch wheels and carefully tuned geometry, the Ridgeback Dimension 20 fits children approximately 120-135cm tall. It's the perfect step up for riders who are ready to take on longer rides and new challenges.

The Ridgeback Dimension 20 combines premium materials with thoughtful design to give kids a bike that's light, durable, and ready for fun adventures. It's built to inspire confidence and keep young riders excited to get outside and ride.

Features

  • Lightweight 6061 heat-treated aluminium frame and fork
  • 20-inch alloy wheels with versatile, grippy tyres
  • Responsive alloy V-Brakes designed for kids' hands
  • Adjustable saddle and handlebars for growing riders

Specification

Frame and Forks

  • Frame: Alloy
  • Forks: 6061 Heat Treated Aluminium
  • Forks: Alloy
  • Headset: Ridgeback Alloy 1 1/8

Drivetrain

  • Crankset: Samox SAC-30D / 32T / 114mm
  • Bottom Bracket: Samox BB-Alloy 68/118mm
  • Rear Derailleur: Shimano Tourney RD-FT35A
  • Cassette: Shimano CS-HG200-7 12-28T
  • Chain: KMC Z7

Braking / Shifting

  • Shifters: Shimano SLM310 Rapid Fire 7-Speed
  • Brakes: Promax TX-107C V-Brake
  • Brake Type: Rim
  • Brake Levers: Tektro TX-316AG

Wheels

  • Wheel Size: 20-Inch
  • Rims: Rigida 20 / 32h"
  • Spokes: Steel 14g
  • Tyres: Vee Speedster 20 x 2.0

Finishing Kit

  • Bar Tape: Ridgeback
  • Stem: Alloy / 40mm 1 1/8 / 31.8mm Barbore"
  • Seatpost: Alloy 27.2 x 250mm
  • Saddle: Ridgeback
  • Pedals: Resin Junior