2021 Trek Bikes 1120 Base 17.5
Build
700C/29 in × 3 in
Stack and Reach vs. Category Trend
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Geometry
| Stack | 634mm |
| Reach | 422mm |
| Stack to Reach Ratio | 1.5:1 |
| Seat Tube Length, C-T | 419mm |
| Top Tube Length, Effective/Horizontal HT Top | 586mm |
| Top Tube Slope | 23.2deg |
| Head Tube Angle | 70.4deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 312.2mm |
| Chainstay Length | 440mm |
| Chainstay Length Max | 440mm |
| Chainstay Length Horizontal | 433.6mm |
| Chainstay Length Horizontal Max | 433.6mm |
| Front-Center | 678.6mm |
| Front-Center Horizontal | 674.4mm |
| Wheelbase | 1108mm |
| Wheelbase Max | 1108mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 510mm |
| Trail | 83.7mm very high |
| Mechanical Trail | 78.9mm |
| Wheel Flop | 26.5mm |
| Standover Height | 791mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 121.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 142.2mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 3in |
| Tire Outer Diameter | 774.4mm |
| Bike Length with Tires | 1882.4mm |
| Stem Length | 70mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 161 cm to 175 cm |
| PBH | 76 cm to 82 cm |
Source:https://www.trekbikes.com/us/en_US/bikes/adventure-touring-bikes/1120/1120/p/33304/