2015 GT Bicycles Timberline Expert
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Full suspension
- Frame
- Aluminum
- Fork
- Aluminum
- Suspension
- 80mm fork travel
- Features
- Disc brake
Very aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
m | S | M | L | XL | |
Stack | 550mm | — | — | — | — |
Reach | 420mm | — | — | — | — |
Stack to Reach Ratio | 1.31:1 | — | — | — | — |
Seat Tube Length, C-T | 470mm | 420mm | 470mm | 507mm | 545mm |
Top Tube Length, Effective/Horizontal HT Top | 605mm | 571mm | 605mm | 629mm | 645mm |
Top Tube Slope | 10.1deg | — | — | — | — |
Head Tube Angle | 72deg | 71deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 73deg | 73deg |
Head Tube Length | 110mm | 110mm | 110mm | 120mm | 120mm |
Bottom Bracket Drop | 65mm | 65mm | 65mm | 65mm | 65mm |
Bottom Bracket Height | 303.2mm | 303.2mm | 303.2mm | 303.2mm | 303.2mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 440.2mm | 440.2mm | 440.2mm | 440.2mm | 440.2mm |
Front-Center | 653mm | 623mm | 653mm | 669mm | 685mm |
Front-Center Horizontal | 665.8mm | 620.8mm | 665.8mm | 669.8mm | 681.8mm |
Wheelbase | 1106mm | 1061mm | 1106mm | 1110mm | 1122mm |
Fork Offset/Rake | 46mm | 46mm | 46mm | 46mm | 46mm |
Trail | 71.3mm high | 78.1mm high | 71.3mm high | 71.3mm high | 71.3mm high |
Mechanical Trail | 67.8mm | 73.9mm | 67.8mm | 67.8mm | 67.8mm |
Wheel Flop | 20.9mm | 24.1mm | 20.9mm | 20.9mm | 20.9mm |
Standover Height | 767mm | 734mm | 767mm | 799mm | 828mm |
Tire to Pedal Spindle | 114.9mm 170 mm cranks | 84.9mm 170 mm cranks | 114.9mm 170 mm cranks | 130.9mm 170 mm cranks | 146.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 133.2mm 170 mm cranks | 133.2mm 170 mm cranks | 133.2mm 170 mm cranks | 133.2mm 170 mm cranks | 133.2mm 170 mm cranks |
Expert Build
m | S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.25in | 2.25in | 2.25in | 2.25in | 2.25in |
Tire Outer Diameter | 736.3mm | 736.3mm | 736.3mm | 736.3mm | 736.3mm |
Bike Length with Tires | 1842.3mm | 1797.3mm | 1842.3mm | 1846.3mm | 1858.3mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Cross-country MTBSource:https://gtbike.ru/catalog.php?id=971943&r=3&type=0&sex=0&ser=995739&price=0