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Frog 78 8-Speed Bicycle

$620.00

Color
Team Sky
Red
Dark Gray
Green
Quantity

Product Details

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

Fits:  13+ yrs with a minimum inseam of 78 cm (30.5")

Availability:  In stock in Neon Red, Team Sky Black, Neon Green and Dark Gray for shipment in 8-10 business days.

The Frog 78 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.  Comes with 2 sets of Kenda tires: a hybrid tire and a more knobby off-road tire. 

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.

Frog Bikes partners with USA cyclingFrog Bikes has partnered with USA Cycling to be their Official Kids' Bike through 2020.

Tech Spec

Approx Age 13+
Colors Neon Red, Neon Green, Dark Grey, Team Sky Black
Weight 22 lbs
Wheel size 26" (ETRTO/ISO 559)
Frame 6061 T6 heat treated, double butted aluminium alloy, seat tube 18" (465mm)
Fork 6061 T6 heat treated aluminium alloy
Crank set / Chainring Frog Bikes patented aluminium straight arm cranks with Frog Bikes double chain guard, 155mm, steel 34t chainring
Bottom Bracket Neco, square taper, 68/107.5, cartridge bearings
Pedals Frog Bikes eco-friendly rice husk composite pedal, w/reflectors, 9/16"
Front Hub Quando, aluminium, sealed hub, QR, 28 hole
Rear Hub Quando, aluminium, sealed hub, QR, 28 hole, Shimano type 8-speed free hub body
Cassette Shimano Altus, HG-31, 8-speed, 11-32t
Rear Dereailleur Shimano Altus, M310, 8-speed
Chain KMC, 8-speed
Rim Aluminium, 26x1.5, double wall, machined braking surface
Seat post Aluminium, micro adjust, 27.2mm
Seat clamp Aluminium, QR
Headset Neco, 1"1/8 semi-integrated threadless, aluminium Frog Bikes top cap
Handlebar Aluminium, straight, 540mm
Stem Aluminium, 1"1/8, 60mm, 4 bolt clamp
Grips Soft rubber grip with lock ring, 30mm OD
Gear Shifter Shimano Alivio, M360, 8-speed, rapid fire
Brake Levers Frog Bikes’ designed Tektro easy reach brake lever
Brakes (F+R) Tektro 836AL, aluminium, linear pull
Saddle Frog Bikes junior specific saddle (medium), w/ steel rails
Tyres Primary Kenda K154, 26x1.5, hybrid, (ETRTO/ISO 40-559)
Tyres Secondary Kenda K1153, 26x1.75, MTB, (ETRTO/ISO 47-559)
Mudguards Full length, resin, black
Accessories box Bell, bike reflectors white/red, wheel reflectors orange/white, frame protector patches

Geometry

Frog Bikes Frog 69 Bicycle Geometry

A Wheelbase (mm) 1088
B Seat tube angle (degrees) 74
C Head tube angle (degrees) 71
D Effective top tube (mm) 587
E Head tube length (mm) 170
F Chain stay length (mm) 435
G Seat tube length (mm) 465
H BB to Floor (mm) 295



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