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Frog 73 8-Speed Bicycle

1 review

$670.00

Color
Green
Yellow
Red
Electric Blue
Purple
Dark Gray
Orange
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Product Details

Lightweight, strong, comfortable and kids love the way it looks!

Fits:  12-14 yrs with a minimum inseam of 73 cm (28.75")

Availability:  Pre-order Green and Tour de France Yellow for shipment on 10/27/21.  All other colors are temporarily out of stock.

The Frog 73 features a strong, high quality, lightweight frame, designed specifically for your child's size.   The adjustable Tektro brakes inspire confidence and are easy to adjust for the reach of small hands.   Features an 8-speed Shimano easy-change thumb shifters and an 8 speed cassette hub.  Easily adjusted saddle height and now a shorter crank length of 127mm.  

Frog bikes are easier to pedal due to a unique crank design from the renowned bicycle engineer Dimitris Katsanis (of Team GB Olympic fame). The new design reduces the Q-factor (the space between the pedals), allowing children to push more directly down when cycling, so converting more of their energy into motion. Only Frog applies this level of rigour to the design of kids’ bikes.

Comes with a bell, reflectors and mudguards as standard.  

Free 5 year warranty available on the frame and forks, 2 years on all other parts.


Tech Spec

Approx Age 12-14 years
Wheel Size 26" (ETRTO/ISO 559)
Color Red, Purple, Black, Green, Orange, Team Sky Black, Union Jack
Weight 22 lbs
Frame 6061 T6 heat treated Aluminum alloy, seat tube 16" (406mm)
Fork 6061 T6 heat treated Aluminum alloy
Crank set / Chainring Frog Bikes Patented,146mm, Aluminum straight arm cranks, 34T chainring, black
Bottom Bracket Neco, square taper, 68/107.5, cartridge bearings
Pedals Resin platform, 9/16" thread, reflectors
Front Hub Quando, Aluminium, sealed hub, QR, 28 hole
Rear Hub Quando, Aluminium, 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 KMC, 8-speed
Rim Aluminum, 26"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, 520mm
Stem Aluminum, 1"1/8, 60mm, 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 (medium), steel rails
Tires Kenda, 26"x1.5", hybrid/knobby

Mudguards Full length, resin, black
Accessories box Bell, bike reflectors white/red, wheel reflectors orange/white, touch up paint, frame protector patches

Geometry

Frog Bikes Frog 69 Bicycle Geometry

A Wheelbase (mm) 1018
B Seat tube angle (degrees) 74
C Head tube angle (degrees) 71
D Effective top tube (mm) 530
E Head tube length (mm) 100
F Chain stay length (mm) 425
G Seat tube length (mm) 406
H BB to Floor (mm) 295

Assembly

All Frog 73 bikes arrive 90% assembled. All you need to do is install the pedals, seat post, handlebars and front wheel.  If you decide you want the optional mud guards on your bike, these will need to be installed also.  

Our professional bike technician looks over every bike before it ships and switches the hand brakes to be standard for the US (rear on the right, front on the left).  

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Customer Reviews
4.0 Based on 1 Reviews
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IJ
06/17/2020
Ian J.
United States United States
Good but a couple of improvements needed

Overall this is a great bike. The frame is light, and there are enough gears for my daughter. I do feel the brakes are a weak link on the bike. Also why no kick stand included? It comes with mudguards which are of no use to the majority of users, but doesn't come with a kickstand. Strange choice.

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