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All-City Gorilla Monsoon GRX

All-City Gorilla Monsoon GRX
  • Color: Pineapple Sundae
Pineapple Sundae


Designed to handle double track, gravel, bikecamping, and just plain chasing good times, this nimble, do-it-all dirt solution is ready to send cross racers, dirt tourists, and backcountry explorers far into the unknown with comfort, style, and elegance. Available in seven frame sizes — including 43cm for the first time — the Gorilla Monsoon is tweaked for long days in the saddle and built around 27.5 x 2.4" tires with clearance for 700c x 42mm.

- Made from All-City's 612 Select steel tubing with signature thru-axle dropouts - Features a matching bi-plane crown steel fork
- Fork is compatible with Surly 8- and 24-Pack racks
- Mounts for front and rear racks and fenders
- Flat-mount disc brakes
- Three water bottle mounts on the frame
- Dropper seatpost
- Signature All-City Shot Collar seatpost clamp
- E.D. coated for durability and rust prevention
- Built around 27.5 x 2.4" tires with clearance for 700c x 42mm

WARNING: Cycling can be dangerous. Bicycles and bicycle products should be assembled and serviced by a professional mechanic. Never modify your bicycle or accessories. Read and follow all product instructions and warnings including information on the manufacturer’s website. Inspect your bicycle before every use. Always wear a helmet.

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to


Frame 612 Select Chromoly Steel
Fork All-City Gorilla Monsoon Fork
Headset Cane Creek 40 Series
Axles Front: 100 x 12mm thru axle
Rear: 142 x 12mm thru axle
Rims/Wheels WTB ST i25 TCS 2.0, 32h
Hubs All-City Go-Devil 32h
Spokes Pillar 14g Black Stainless, Black Brass Nipples
Tires WTB Riddler, 27.5 x 2.4", TCS Light/Fast
Crankset FSA V-Drive MegaEVO
Chainrings 38T
Bottom Bracket FSA MegaEVO
Chain KMC X11, EPT Anti-Rust
Rear Derailleur Shimano GRX RX810
Cassette/Rear Cogs Sunrace 11-speed, 11/42t
Shifters Shimano GRX RX810, Left Side Dropper Actuation, flat-mount hydro brakes
Handlebars AL6061, 31.8mm, 12° Flair
Tape/Grips All-City Embossed Black Tape
Stem AL6061, 3D forged, 4-bolt stem, 31.8mm
Brakes Shimano GRX RX810, 160 f/r 6 Bolt
Pedals Sold separately
Saddle All-City Gonzo
Seat Post TranzX JD-TSI01, 27.2, 350mm L, 50mm drop

* Subject to change without notice.

Part Numbers

Option UPC MPN
Pineapple Sundae / 43cm 708752332850 BK3258
Pineapple Sundae / 46cm 708752332874 BK3259
Pineapple Sundae / 49cm 708752332898 BK3260
Pineapple Sundae / 52cm 708752332911 BK3261
Pineapple Sundae / 55cm 708752332935 BK3262
Pineapple Sundae / 58cm 708752332959 BK3263
Pineapple Sundae / 61cm 708752332973 BK3264