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Built for the city, perfect for anywhere. The Invincible features custom security bolts that keep your bike and parts protected from thieves. A rust-proof frame and rust-resistant chain, paired with puncture-resistant tires, make this a no-hassle bike. The Invincible comes 80% assembled, and you do the rest with the help of our awesome online assembly instructions. Your custom security tools are included, see HERE for additional tools needed for assembly. Free shipping in the Continental U.S.
IIf it's not your favorite bike, return it back to us within 30 days for a full refund. See return policy HERE.

  • Theft Replacement
  • Sizing Guide
  • Specs
Add our Theft Replacement guarantee and get a replacement bike (or component) if yours is ever stolen! (Free U-Lock included with your plan).
Click here for more details on  how our guarantee works.
To activate your theft protection, you must register your bike online within 30 days of delivery: fortifiedbike.com/register
Simple Sizing Guide:
Small: 5'2"-5'6" (50cm)
Medium: 5'7"-5'11" (54cm)
Large: 6'0"-6'-2" (58cm)
*Our bikes run slightly large
Weight:  26 Pounds (Total Weight)
Frame:  700c Road Disc - 6061 Rustproof Aluminum, 1-1/8” Semi-Integrated Head Tube, Rack & Fender Mounts
Fork:  Fortified 700c 6061 Aluminum Fork With Rack & Fender Mounts with Clearance for Fenders
Handlebars:  Promax 15 degree 20mm rise
Stem:  Length = 90mm (S/M) Length = 105mm (L)
Threadless, 7 deg, 6 Bolts M5*17mm
Brakes:  Tektro MD-280 Mechanical Disc Brakes
Brake Lever:  Tektro R360 Road Lever
Tire:  700 x 32 with Puncture Protection
Derailleur:  Shimano Rear Derailleur, Trigger Thumb Shifter
Chainring:  Prowheel Steel Chainring, Alloy Guard & Arm, 42T
Crank:  ProWheel Crank, Square Taper, 175mm
Chain:  KMC Rustbuster
Decal:  Fortified Retroflective Decal
Security Bolts:  Fortified Proprietary Stainless Steel Water Bottle Screws, Top Cap Bolt, Stem Face Plate Bolts and S/S Bolts
Wheel Locks:  Delta Fort Knox locking hub nuts
Weight Limit:  270 Pounds

Anti-Theft Bolts

Rust-Proof Frame

Theft Replacement *

30-Day Test Ride

Sold out
Sold out

Built for the city, perfect for anywhere. The Invincible features custom security bolts that keep your bike and parts protected from thieves. A rust-proof frame and rust-resistant chain, paired with puncture-resistant tires, make this a no-hassle bike. The Invincible comes 80% assembled, and you do the rest with the help of our awesome online assembly instructions. Your custom security tools are included, see HERE for additional tools needed for assembly. Free shipping in the Continental U.S.
IIf it's not your favorite bike, return it back to us within 30 days for a full refund. See return policy HERE.

  • Theft Replacement
  • Sizing Guide
  • Specs
Add our Theft Replacement guarantee and get a replacement bike (or component) if yours is ever stolen! (Free U-Lock included with your plan).
Click here for more details on  how our guarantee works.
To activate your theft protection, you must register your bike online within 30 days of delivery: fortifiedbike.com/register
Simple Sizing Guide:
Small: 5'2"-5'6" (50cm)
Medium: 5'7"-5'11" (54cm)
Large: 6'0"-6'-2" (58cm)
*Our bikes run slightly large
Weight:  26 Pounds (Total Weight)
Frame:  700c Road Disc - 6061 Rustproof Aluminum, 1-1/8” Semi-Integrated Head Tube, Rack & Fender Mounts
Fork:  Fortified 700c 6061 Aluminum Fork With Rack & Fender Mounts with Clearance for Fenders
Handlebars:  Promax 15 degree 20mm rise
Stem:  Length = 90mm (S/M) Length = 105mm (L)
Threadless, 7 deg, 6 Bolts M5*17mm
Brakes:  Tektro MD-280 Mechanical Disc Brakes
Brake Lever:  Tektro R360 Road Lever
Tire:  700 x 32 with Puncture Protection
Derailleur:  Shimano Rear Derailleur, Trigger Thumb Shifter
Chainring:  Prowheel Steel Chainring, Alloy Guard & Arm, 42T
Crank:  ProWheel Crank, Square Taper, 175mm
Chain:  KMC Rustbuster
Decal:  Fortified Retroflective Decal
Security Bolts:  Fortified Proprietary Stainless Steel Water Bottle Screws, Top Cap Bolt, Stem Face Plate Bolts and S/S Bolts
Wheel Locks:  Delta Fort Knox locking hub nuts
Weight Limit:  270 Pounds

Anti-Theft Bolts

Rust-Proof Frame

Theft Replacement *

30-Day Test Ride


Anti-Theft Bolts

Rust-Proof Frame

Theft Replacement *

30-Day Test Ride

Sold out
Sold out

Our Single-Speed Invincible, is lightweight, nimble, and fast. The Invincible features custom security bolts that keep your bike and parts protected from thieves. A rust-proof frame and rust-resistant chain, paired with puncture-resistant tires, make this a no-hassle bike. The Invincible comes 80% assembled, and you do the rest with the help of our awesome online assembly instructions. Your custom security tools are included, see HERE for additional tools needed for assembly. Free shipping in the Continental U.S.
If it's not your favorite bike, return it back to us within 30 days for a full refund. See return policy HERE.

  • Theft Replacement
  • Sizing Guide
  • Specs
Add our Theft Replacement guarantee and get a replacement bike (or component) if yours is ever stolen! (Free U-Lock included with your plan).
Click here for more details on  how our guarantee works.
To activate your theft protection, you must register your bike online within 30 days of delivery: fortifiedbike.com/register
Simple Sizing Guide:
Small: 5'2"-5'6" (50cm)
Medium: 5'7"-5'11" (54cm)
Large: 6'0"-6'-2" (58cm)
*Our bikes run slightly large
Weight:  23 Pounds (Total Weight)
Frame:  700c Road Subgel Speed 6061 Rustproof Aluminum, 1-1/8” Semi-Integrated Head Tube, Rack & Fender Mounts
Fork:  Fortified 700c 6061 Aluminum Fork With Rack & Fender Mounts with Clearance for Fenders
Handlebars:  Promax 15 degree 20mm rise
Stem:  Length = 90mm (S/M) Length = 105mm (L)
Threadless, 7 deg, 6 Bolts M5*17mm
Brakes:  Promax Dual Pivot Caliper w/ Quick Release Arms
Brake Lever:  Promax Cross Lever
Tire:  700 x 32 with Puncture Protection
Chain Tensioner:  Dual Adjustable Chain Tensioner
Chainring:  Prowheel Steel Chainring, Alloy Guard & Arm, 42T
Crank:  ProWheel Crank, Square Taper, 175mm
Chain:  KMC Rustbuster
Decal:  Fortified Retroflective Decal
Security Bolts:  Fortified Proprietary Stainless Steel Water Bottle Screws, Top Cap Bolt, Stem Face Plate Bolts and S/S Bolts
Wheel Locks:  Delta Fort Knox locking hub nuts
Weight Limit:  270 Pounds