El Oso Niño 20"


El Oso Nino is our smallest fat bike, made for kids who want to monster-truck over everything in their path. Four-inch wide tires sit atop 20"-inch wheels, making for a unique style and ride. Low tire pressure allows the bike to grab every bit of traction available, with extra float for soft surfaces and sand. This little bear’s frame and fork are made from high-tensile steel, tough enough for prowling the neighborhood and the woods. It’s got a seven-speed Shimano grip shifter to charge up hills, and powerful disc brakes for control, allowing riders to go wherever the trail or their imagination takes them — maybe even to the moon! This model fits riders 44”-54” tall, aged approximately 4-9 years old.

  • Bike Frame 20" Hi-Ten Steel Junior Fat Bike, for Disc Brake Only
  • Bike Fork 20" Hi-Ten Steel Junior Rigid, w/ Disc Tabs
  • Bike Headset Threadless
  • Bike Cranks 152mm Steel w/ 40T Single Ring
  • Bike Bottom Bracket Square Taper - 5pc
  • Bike Rear Derailleur Shimano Tourney FT35, 7 Speed
  • Bike Shifter Shimano Tourney RS35 Grip Shift, 7 Speed
  • Bike Cogset Shimano Tourney TZ21 7 Speed Freewheel,14-28T
  • Bike Chain KMC 7 Speed
  • Bike Front Hub Steel 32h Disc, 3/8" Nutted, 135mm OLD
  • Bike Rear Hub Steel 32h Disc, Freewheel, 3/8" Nutted, 180mm OLD
  • Bike Spokes 14g Steel
  • Bike Rims 32h Jr Fatty Alloy
  • Bike Tires Chaoyang 20x4.0"
  • Bike Brakes Apex Mechanical Disc, w/ 160mm Front /160mm Rear Rotor
  • Bike Brake Levers Alloy Lever
  • Bike Pedals 9/16" Resin
  • Bike Handlebar Alloy, 560mm Wide, 22.2mm Bar Bore
  • Bike Grips DB Kraton
  • Bike Stem Promax 90mm
  • Bike Seat Padded Jr. Diamondback
  • Bike Seatpost Steel 27.2mm
  • Bike Extras Tool Kit,
  • Product ID 3917
Frame Size 20" 44"-55"
Rider Height -
Bike Stand Over Height 576 mm
Bike Seat Tube Length 272 mm
Bike Top Tube Length 508 mm
Bike Head Tube Length 115 mm
Bike Head Angle 71 mm
Bike Seat Angle 70 mm
Bike Wheel Base 927 mm
Bike Chain Stay Length 380 mm
Bike Fork Offset 45 mm
Bike Stem Length 90 mm
Bike Handlebar Width 560 mm
Bike Crank Length 152 mm
Bike Seat Post Length 260 mm
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