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Specialized Fatboy 20
  • Color: Satin Warm Charcoal/Teal/Hyper
  • Color: Satin Coral/Deep Indigo/Powder Indigo/Powder Coral
  • Color: Gloss Royal Blue/Moto Orange/Gallardo Orange
  • Color: Metallic White/Turqoise/Light Turqoise/Pink


Fatboy 20

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2018 Specialized Fatboy 20

Get your kids in on the fatbike fun with the Specialized Fatboy 20. It features a lightweight aluminum frame with gigantic 4.0-inch wide Ground Control tires to devour everything in your path. The super-wide 20-inch aluminum rims have the stability and durability to roll through rocky, root-filled trails with an ease that promises confidence and fun. SRAM's got drivetrain duties covered with a quick-shifting X4 drivetrain. And, powerful Tektro Aires mechanical disc brakes deliver solid stopping power. Trail? Sand? Snow? The Fatboy 20 owns it all.

Features and Information

Specification Description
Frame Specialized A1 premium aluminum
Fork Specialized A1 premium aluminum
Rims/Wheels Specialized Fatboy, alumium
Hubs Specialized MTB disc, aluminum
Spokes 14g stainless-steel
Tires Specialized Ground Control, 20 x 4.0
Crankset Forged aluminum
Chainrings 32T
Rear Derailleur SRAM X4
Rear Cogs Sunrace, 9-speed: 11-34
Shifters SRAM X4 trigger
Handlebars Specialized, 6061 aluminum
Tape/Grips Specialized Body Geometry XCT, lock-on
Stem Specialized
Brake Levers Tektro
Brakes Tektro Aries, mechanical-disc
Pedals Composite platform
Saddle Specialized
Seatpost Aluminum

* Subject to change without notice.


by PowerReviews
Option Barcode Manufacturer's Part Number
Gloss Royal Blue/Moto Orange/Gallardo Orange 888818009084 99515-7311
Metallic White/Turqoise/Light Turqoise/Pink 888818009794 99515-7611
Satin Coral/Deep Indigo/Powder Indigo/Powder Coral 888818009824 99515-7711
Satin Warm Charcoal/Teal/Hyper 888818008933 99515-7211

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