Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
All-City
2021 All-City Gorilla Monsoon GRX
Value Guide market data · 2021 All-City Gorilla Monsoon GRX
12-month trend
15%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2021 All-City Gorilla Monsoon GRX
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Gorilla model years
2021 Gorilla Monsoon GRX lineup
Overview
About this bike
2021 All-City Gorilla Monsoon GRX value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Drivetrain
- Groupset
- 2021 All-City Gorilla Monsoon GRX
- Cassette
- Sunrace 11-speed, 11/42t
- Shifters
- Shimano GRX RX810, Left Side Dropper Actuation, flat-mount hydro brakes
Brakes
- Brakes
- Shimano GRX RX810, 160 f/r 6 Bolt
Cockpit
- Seat Post
- TranzX JD-TSI01, 27.2, 350mm L, 50mm drop
- Tape/Grips
- All-City Embossed Black Tape
Wheels & Tires
- Hubs
- All-City Go-Devil 32h
- Axles
- Front: 100 x 12mm thru axle<br>Rear: 142 x 12mm thru axle
Pedals
- Pedals
- Sold separately
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Carbon inspection
Tap test the frame, fork, seatpost, and bars for cracks; verify no impact damage near dropouts.
Inspection
Brake hoses & cables
Check hydraulic line bleed, cable housing wear, and confirm rotors are within spec.