1995 GT Bicycles Karakoram Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
Geometry
46cm 18inch | 46cm 18inch | 46cm 18inch | 46cm 18inch | 16inch | 16inch | |
Stack | 475mm | 475mm | 475mm | 475mm | — | — |
Reach | 440mm | 440mm | 440mm | 440mm | — | — |
Stack to Reach Ratio | 1.08:1 | 1.08:1 | 1.08:1 | 1.08:1 | — | — |
Seat Tube Length, C-TTT | — | — | — | — | 406.4mm | 16mm |
Seat Tube Length, C-C | 460mm | 460mm | 460mm | 460mm | — | — |
Top Tube Length, Effective/Horizontal Center | 588.5mm | 588.5mm | 588.5mm | 588.5mm | — | — |
Top Tube Length, Actual C-C | 580mm | 580mm | 580mm | 580mm | 545mm | 545mm |
Top Tube Slope | 3deg | 3deg | 3deg | 3deg | — | — |
Head Tube Angle | 70deg | 70deg | 70deg | 70deg | 70.5deg | 70.5deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73.5deg | 73.5deg |
Head Tube Length | 100mm | 100mm | 100mm | 100mm | — | — |
Bottom Bracket Drop | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
Bottom Bracket Height | 297.5mm | 297.5mm | 288mm | 297.5mm | 300.8mm | 300.8mm |
Chainstay Length | 420mm | 420mm | 420mm | 420mm | — | — |
Chainstay Length Horizontal | 418.8mm | 418.8mm | 418.8mm | 418.8mm | 425.5mm | 425.5mm |
Front-Center | 642mm | 642mm | 642mm | 642mm | 635.3mm | 635.3mm |
Front-Center Horizontal | 640mm | 640mm | 640mm | 640mm | 1044.6mm | 1044.6mm |
Wheelbase | 1060mm | 1060mm | 1060mm | 1060mm | 1060mm | 1060mm |
Fork Offset/Rake | 36.4mm | 36.4mm | 36.4mm | 36.4mm | 38mm | 38mm |
Fork Length (Axle-To-Crown) | 395mm | 395mm | 395mm | 395mm | — | — |
Trail | 81.2mm very high | 81.2mm very high | 77.7mm high | 81.2mm very high | 77.6mm high | 77.6mm high |
Mechanical Trail | 76.3mm | 76.3mm | 73mm | 76.3mm | 73.1mm | 73.1mm |
Wheel Flop | 26.1mm | 26.1mm | 25mm | 26.1mm | 24.4mm | 24.4mm |
Standover Height | — | — | 751mm | — | 751.4mm | 751.4mm |
Tire to Pedal Spindle | 142.5mm 170 mm cranks | 142.5mm 170 mm cranks | 152mm 170 mm cranks | 142.5mm 170 mm cranks | 132.5mm 170 mm cranks | 132.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 127.5mm 170 mm cranks | 127.5mm 170 mm cranks | 118mm 170 mm cranks | 127.5mm 170 mm cranks | 130.8mm 170 mm cranks | 130.8mm 170 mm cranks |
Base Build
46cm 18inch | 46cm 18inch | 46cm 18inch | 46cm 18inch | 16inch | 16inch | |
Wheel Size | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD |
Tire Width | 50mm | 50mm | 50mm | 50mm | 2.1in | 2.1in |
Tire Outer Diameter | 659mm | 659mm | 640mm | 659mm | 665.7mm | 665.7mm |
Bike Length with Tires | 1719mm | 1719mm | 1700mm | 1719mm | 1725.7mm | 1725.7mm |
Crank Length | — | — | — | — | 170mm | 170mm |
Handlebar Width | — | — | — | — | — | 570mm |
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
Rigid MTBSource:measured the frame myself + cad, dpawson.co.uk, own bike, drive.google.com