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
SIZING:Please note this is an approximate range and the buyer is responsible for verifying the fit before purchase.
43cm: 4'11" - 5'4"
46cm: 5'2" - 5'8"
49cm: 5'4" - 5'9"
52cm: 5'5" - 5'10"
55cm: 5'9" - 6'1"
58cm: 6' - 6'5"
61cm: 6'1" - 6'6"
California Prop 65 Warning:
This product may contain chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. (California law requires this warning be given to customers in the state of California.)
California CBE Fees:
Some products we sell may be subject to California’s Covered Battery-Embedded (CBE) Waste Recycling Fee (effective January 1, 2026) when a product contains a non-removable rechargeable battery. If applicable, the fee (1.5% fee with a $15 max per item) will either be added to your cart as a separate line item or be invoiced after your order is placed and before it can be fulfilled.
