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GUARANTEED

THEFT-PROOF. WEATHER-PROOF.

STARTING AT $199/YEAR

WE CREATED A BIKE

THAT WON'T DIE

IN THE CITY.

WE GUARANTEE IT.

Invincible is the ultimate city ride. It's light, rides like a racecar, prevents flats and rust and comes 100% guaranteed against theft!  


Get an Invincible 1-Speed or 8-Speed for the next year at less than $20/month!

RENT THE ULTIMATE URBAN RIDE

Featured in:

and more than 20 other publications.

FORTIFED U-LOCK

PUNCTURE-RESISTANT TIRES

INVINCIBLE FEATURES

WATERPROOF SADDLE

ANTI-RUST CHAIN & FRAME

PROPRIETARY SECURITY BOLTS

No one likes a wet seat, and neither do we!

Never worry about potholes and rough roads again.

Your frame and chain will enjoy a longer life.

Keep your Invincible bike safe with peace of mind.

Stop thieves from removing parts.

HOW IT WORKS

LESS THAN $20/MONTH

Quit buying old, clunky bikes! Every INVINCIBLE is brand new and at $199/year, it's less than $17/month! 


Extend your rental as long as you want, or just send it back when you're done.

THEFT PROTECTION 

If your bike or any of its components are stolen, we'll ship you a replacement within 24 hours. You cover shipping, we handle the rest. Seriously.

FREE U.S. SHIPPING + 30 DAY TRIAL

We'll ship you your new favorite bike for a grand total of $0. 


Try it out for 30 days. If you don't love it, send it back for a full refund.

GET YOUR INVINCIBLE BIKE

INVINCIBLE 1 SPEED + U LOCK

Brake Lever

1 Year Rental, $199 ($17/Month)


26 Pounds (Total Weight)


700c Road Disc - 6061 Rustproof Aluminum,  

1-1/8” Semi-Integrated Head Tube, Rack & Fender Mounts


Fortified 700c 6061 Aluminum Fork With Rack & Fender Mounts with Clearance for Fenders


Promax 15 degree 20mm rise


Tektro MD-280 Mechanical Disc Brakes


Tektro R360 Road Lever


700 x 32 with Puncture Protection


Shimano Rear Derailleur, Trigger Thumb Shifter


Prowheel Steel Chainring, Alloy Guard & Arm, 42T


ProWheel Crank, Square Taper, 175mm


KMC Rustbuster


Fortified Retroflective Decal


Fortified Proprietary Stainless Steel Water Bottle Screws, Top Cap Bolt, Stem Face Plate Bolts and S/S Bolts


Delta Fort Knox locking hub nuts

Single gear with caliper brakes designed for flat cities.

INVINCIBLE 8 SPEED + U LOCK

1 Year Rental, $239 ($19/Month)

Crank

Eight gears with disc brakes designed for hilly cities. 

Handlebars


Brakes


Brake Lever


Tire


Derailleur 


Chainring


Crank


Chain


Decal


Security Bolts

Weight

Handlebars

INVINCIBLE 1 SPEED SPECS

Chain Tensioner

23 Pounds (Total Weight)


700c Road Single Speed - 6061 Rustproof

Aluminum, 1-1/8” Semi-Integrated Head Tube Horizontal Drop-Outs, Rack & Fender Mounts


Fortified 700c 6061 Aluminum Fork With Rack & Fender Mounts with Clearance for Fenders


Promax 15 degree 20mm rise


Promax Dual Pivot Caliper w/ Quick Release Arms


Promax Road Lever, Cross Lever


700 x 32 with Puncture Protection


Dual Adjustable Chain Tensioner


Prowheel Steel Chainring, Alloy Guard & Arm, 42T


ProWheel Crank, Square Taper, 175mm


KMC Rustbuster


Fortified Retroflective Decal


Fortified Proprietary Stainless Steel Water Bottle Screws, Top Cap Bolt, Stem Face Plate Bolts and S/S Bolts


Delta Fort Knox locking hub nuts

Decal

Fork

Weight


Frame

Fork

INVINCIBLE 8 SPEED SPECS

Wheel Locks

Frame

Brakes 

Tire

Chainring

Wheel Locks

Chain

Security Bolts

Do You Have Questions?

Contact us at customerlove@fortifiedbike.com

FORTIFIED BICYCLE | 105 KINGSTON ST. BOSTON, MA 02111 | fortifiedbike.com | 617.752.BIKE

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