Skip to main content
Find a Retailer

Gorilla Monsoon

A Cross Bike With No Limits

Loaded with the capabilities of our famed cross bikes, this monster will take you far into the unknown with comfort, style, and elegance.

Gorilla Monsoon on Trail

Do-It-All Dirt Solution

A sweet beast designed to handle on- or off-road shredding, bikecamping, short-duration dirt touring, and the pursuit of good times, the Gorilla Monsoon is ready to rocket cross racers and backcountry explorers through mountain trails, mayhem, and everything in between.

Performance

612 Select Tubing

Selected specifically for sporty handling on the course, comfort on short-duration tours, and maximum fun off-road. Learn more about 612 Select Tubing

Stealth Dropper Routing

Ready to rock a Dropper Post for steep descents on the trail.

Tire Clearance

A 27.5 x 2.4” tire platform delivers tire freedom, while compatibility with 650bs on smaller sizes preserves ride experience for shorter riders.

Mounts for Fenders and Racks in Front and Back

Conquer wet roads, fully loaded bikepacking trips, and the gnarliest of grocery lists.

Signature Details

Our mission is to bring beauty back to production bicycles. This means investing in custom touches that elevate the whole. We devote time and resources to signature details that turn heads and signify high-quality craftsmanship. These elements tell a cohesive visual story and form a distinct silhouette so that even if your unique bike were stripped down to bare metal, it would still be instantly identifiable as an All-City bicycle. Learn more

Custom Dropouts

All-City’s signature engraved logo shines with classic style.

Signature Seat Collar

Our fully custom AC seatpost clamp gets the job done with a little flair.

Lugged Bi-Plane Fork Crown

Lovely, bi-plane fork crown for turnin’ heads.

Reinforced Bottle Bosses

Beautiful stars reinforce the bottle bosses and our obsessive attention to detail.

Liquid Paint and E.D. Coat

Our topnotch wet paint finish sparkles with depth and luster, while an E.D. coating protects against rust. Learn more about our paint

Pantographed Bottom Bracket

Upside-down and inside-out, AC’s signature style is stamped into the steel.

Accolades

“The most fun bicycle I’ve ever owned. Please don’t not get one.”

– Champagne Rodman, The Piedmont, North Carolina

“It climbs like a mountain goat and speeds downhill on any surface without any drag or loss of control. It is a strong, competent monster that lets me confidently ride anywhere I choose. The frame is solid.”

– Sean from Seattle

“Hot Darn. This bike knocks it out of the park. It's my everything bike. This beast jazzes me up, rides on rails, stops on dimes and pays the piper. A must ride.”

– Jakers from Portland

Named one of the TOP FIVE BICK PACKING BIKES OF 2018

– Bikepacking.com

FIND A RETAILER

Gorilla Monsoon

    COMPLETE MSRP $2099  |  FRAMESET MSRP $850

    To find a retailer, click a bike color, frame type, size, and BUY LOCAL NOW.

    Suggested retailers for ""

    SPECS & GEO

    • Headset + Cane Creek 40 Series
    • Stem + Promax 3D Forged Stem
    • Handlebar + Salsa Cowchipper
    • Grip + All-City Silicone Bar Tape w/Locking End Plugs
    • Shifter/Brake Lever + SRAM Apex1 Mechanical (1x11)
    • Front Derailleur + N/A
    • Rear Derailleur + SRAM Apex1, Long Cage
    • Brakeset + Hayes CX Expert, 160mm Front & Rear
    • Crankset + FSA Comet 1x, Direct Mount 36t Ring
    • Bottom Bracket + MegaExo
    • Seatpost + TranzX Dropper, 30.9, 80mm travel, 31.8 trigger clamp
    • Saddle + All-City Gonzo
    • Cassette + Sunrace 11spd, 11-42t
    • Chain + SRAM PC1110
    • Hubs + WTB 28h, Shimano driver, 6 bolt rotor mount
    • Rims + WTB ST i25 TCS 2.0, 27.5", 32h
    • Tires + WTB Riddler TCS 27.5" x 2.4"
    Geometry chart for Gorilla Monsoon
    Size 46cm 49cm 52cm 55cm 58cm 61cm
    Head Tube Angle 71 71 71.5 71.5 71.5 71.5
    Seat Tube Angle) 74 73.5 73 72.5 72.5 72.5
    Top Tube Length) 520 535 555 565 585 605
    Seat Tube Length 470 500 535 565 595 625
    Chainstay Length 430 430 430 430 430 430
    Bottom Bracket Drop 71.5 71.5 71.5 71.5 71.5 71.5
    Fork Offset 50 50 47 47 47 47
    Total Fork Length 395 395 395 395 395 395
    Head Tube Length 110 125 145 165 190 215
    Standover 736.6 759.3 792.2 817.5 844 870.8
    Wheelbase 1001.6 1012.3 1015.3 1030.9 1045.9 1066.4
    Stack 542 556 579 597 621 644.7
    Reach 363 369 372 381 389 401
    Handlebar Width 400 420 440 440 460 460
    Stem Length 80 90 100 100 110 120
    Crank Arm Length 170 170 170 175 175 175
    • Frame + 612 Select CroMoly steel. Double butted down, top, and seat tubes. Externally tapered, ovalized, and dimpled chain stays, tapered seat stays, replaceable derailleur hanger.
    • Fork + 4130 CroMoly tapered fork blades, Mountain lugged crown and 15mm thru-axle dropouts, straight steertube, IS Disc Brake Tabs.
    • Rear Spacing + 142 x 12
    • Brake Compatibility + Disc Only, 160mm Front & Rear Minimum Rotor Size
    • Seatpost Diameter + 30.9
    • Seat Collar + 33.1mm
    • Steerer Tube / Headset + 1-1/8" threadless, EC34 upper & lower, Crown Race 30mm
    • Bottom Bracket + 73mm English
    • Tire Clearance + 27.5 x 2.4"
    • Extras + Rack & fender mounts, E.D. coated for durability and rust prevention
    • Download(s) »
    Back to top