2011 Trek Bikes Cobia Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Rigid, suspension corrected
- Frame
- Aluminum
- Features
- Disc brake
Geometry
15.5 | 17.5 | 19 | 21 | 23 | |
Seat Tube Length, C-C | 394mm | 445mm | 483mm | 533mm | 584mm |
Head Tube Angle | 69.3deg | 69.3deg | 69.6deg | 69.6deg | 69.6deg |
Seat Tube Angle | 73deg | 72.5deg | 72deg | 72deg | 72deg |
Head Tube Length | 103mm | 103mm | 103mm | 118mm | 118mm |
Bottom Bracket Drop | -244.2mm | -244.2mm | -244.2mm | -244.2mm | -244.2mm |
Bottom Bracket Height | 312mm | 312mm | 312mm | 312mm | 312mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 372mm | 372mm | 372mm | 372mm | 372mm |
Front-Center | 758.3mm | 783mm | 793.5mm | 813.5mm | 833.5mm |
Front-Center Horizontal | 718mm | 744mm | 755mm | 776mm | 797mm |
Wheelbase | 1090mm | 1116mm | 1127mm | 1148mm | 1169mm |
Trail | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — |
Wheel Flop | — | — | — | — | — |
Standover Height | 754mm | 775mm | 795mm | 828mm | 859mm |
Tire to Pedal Spindle | 520.5mm 170 mm cranks | 545.2mm 170 mm cranks | 555.6mm 170 mm cranks | 575.6mm 170 mm cranks | 595.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 142mm 170 mm cranks | 142mm 170 mm cranks | 142mm 170 mm cranks | 142mm 170 mm cranks | 142mm 170 mm cranks |
Base Build
15.5 | 17.5 | 19 | 21 | 23 | |
Wheel Size | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD |
Tire Width | 2.1in | 2.1in | 2.1in | 2.1in | 2.1in |
Tire Outer Diameter | 135.7mm | 135.7mm | 135.7mm | 135.7mm | 135.7mm |
Bike Length with Tires | 1225.7mm | 1251.7mm | 1262.7mm | 1283.7mm | 1304.7mm |
Source:https://ukrbike.com.ua/doctrek/geometry_2012.pdf