This 20 inch kids' bike is a great geared bike for 6 or 7 year olds with a minimum inside leg of 55cm.
 
 Wheel Size: 20" inch
 
 Why buy a Frog 55?
 
 - Lightweight but sturdy Frame
 - Tektro brakes with small easy to reach brake lever
 - Shimano 8-speed gears with easy-change thumb-shifters
 - Patented Frog cranks for easier pedalling
 - Quick release seat post for easy height adjustment
 - Two sets of tyres: hybrid and off-road
 - Free 5 year warranty on frame and forks
 - Reflectors, mudguard* and bell included
 
 
 Available colours: Available in Red, Purple, Orange, Spotty, Union Jack, Green, Pink and Team Sky Black
 
 *Please be aware that the mudguards supplied with the bike can only be used with the Hybrid tyres.  We are aware of the situation and are currently working to find a solution.
 Approx Age: 6-7
 Wheel Size: 20" (ETRTO/ISO 406)
 Colour: Red, Purple, Pink, Green, Spotty, Orange, Team Sky Black, Union Jack
 Weight: 8.8 kg
 Frame: 6061 T6 heat treated Aluminum alloy, seat tube 11" (280mm)
 Fork: 6061 T6 heat treated Aluminum alloy
 Crank Set / Chainring: Frog Bikes Patented, 114mm, Aluminum straight arm cranks, 32T chainring, black
 Bottom Bracket: Neco, square taper, 68/107.5, cartridge bearings
 Pedals: Resin platform, 9/16" thread, reflectors
 Front Hub: Quando, Aluminum, sealed hub, QR, 28 hole
 Rear Hub: Quando, Aluminum, sealed hub, QR, 28 hole, Shimano type 8/9spd free hub body
 Cassette: Shimano Altus, HG-31, 8-speed, 11-32t
 Rear Derailleur: Shimano Altus, M310, 8-speed
 Chain Ring: KMC, 8-speed
 Rim: Aluminum, 20"x1.5", double wall, machined braking surface
 Seat Post: Aluminum, micro adjust, 27.2mm
 Seat Clamp: Aluminum, QR
 Headset: Neco, 1"1/8 semi-integrated threadless, Frog Bikes top cap
 Handlebar: Aluminum, flat bar, 460mm
 Stem: Aluminum, 1"1/8, 38mm, 4 bolt clamp
 Grips: Frog Bikes specific, lock on, slim grips
 Gear Shifter: Shimano Alivio, M360, 8-speed, rapid fire
 Brake Levers: Tektro JL510, Aluminum, easy reach
 Brakes (F&R): Tektro 836AL, Aluminum, linear pull
 Saddle: Frog Bikes child-specific saddle (small), steel rails
 Tyres Primary: Kenda
 Mudguards: Full length, resin, black
 Accessories box: Bell, bike reflectors white/red, wheel reflectors orange/white, touch up paint, frame protector patches
 
  
   | 
    A | 
   
    Wheelbase (mm) | 
   
    880 | 
  
  
   | 
    B | 
   
    Seat tube angle (degrees) | 
   
    74 | 
  
  
   | 
    C | 
   
    Head tube angle (degrees) | 
   
    71 | 
  
  
   | 
    D | 
   
    Effective top tube (mm) | 
   
    454 | 
  
  
   | 
    E | 
   
    Head tube length (mm) | 
   
    120 | 
  
  
   | 
    F | 
   
    Chain stay length (mm) | 
   
    375 | 
  
  
   | 
    G | 
   
    Seat tube length (mm) | 
   
    280 | 
  
  
   | 
    H | 
   
    BB to Floor (mm) | 
   
    251 | 
  
 
 Buy Frog 55 Hybrid Kids Bike for Ages 6-7 - Pink online