2011 GT Bicycles Gutterball Base
- Category
- Track/Fixed-gear
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Rim brake
Geometry
M | XXS | XS | XS | S | L | XL | |
Stack | 535mm | — | — | — | — | — | — |
Reach | 400mm | — | — | — | — | — | — |
Stack to Reach Ratio | 1.34:1 | — | — | — | — | — | — |
Seat Tube Length, Unknown | 540mm | 480mm | 500mm | — | 520mm | 560mm | 580mm |
Seat Tube Length, Effective Unknown | — | — | — | 500mm | — | — | — |
Top Tube Length, Effective/Horizontal Center | — | — | — | 509mm | — | — | — |
Top Tube Length, Effective/Horizontal HT Top | 546.1mm | 494.3mm | 508.8mm | — | 528.2mm | 566.7mm | 586.7mm |
Top Tube Slope | 1.4deg | — | — | — | — | — | — |
Head Tube Angle | 73deg | 71deg | 72deg | 72deg | 73deg | 74deg | 74deg |
Seat Tube Angle | 75deg | 76.5deg | 76deg | 76deg | 75deg | 74deg | 74deg |
Head Tube Length | 120mm | 90mm | 100mm | 100mm | 110mm | 140mm | 160mm |
Bottom Bracket Drop | 56mm | 59mm | 59mm | 63mm | 56mm | 51mm | 51mm |
Bottom Bracket Height | 280mm | 277mm | 277mm | 283mm | 280mm | 285mm | 285mm |
Chainstay Length | 395mm | 395mm | 395mm | 415mm | 395mm | 395mm | 395mm |
Chainstay Length Horizontal | 391mm | 390.6mm | 390.6mm | 410.2mm | 391mm | 391.7mm | 391.7mm |
Front-Center | 593.6mm | 569.2mm | 572.2mm | 573.3mm | 575.4mm | 597.3mm | 617.3mm |
Front-Center Horizontal | 590.9mm | 566.1mm | 569.2mm | 569.8mm | 572.7mm | 595.2mm | 615.2mm |
Wheelbase | 981.9mm | 956.7mm | 959.7mm | 980mm | 963.7mm | 986.9mm | 1006.8mm |
Fork Offset/Rake | 43mm | — | — | 43mm | — | — | — |
Fork Length, Unknown | 375mm | — | — | — | — | — | — |
Trail | 57.8mm mid/neutral | — — | — — | 67.2mm high | — — | — — | — — |
Mechanical Trail | 55.2mm | — | — | 63.9mm | — | — | — |
Wheel Flop | 16.2mm | — | — | 19.8mm | — | — | — |
Standover Height | 775mm | 721.3mm | 738.9mm | 739mm | 758.1mm | 797.6mm | 816.8mm |
Tire to Pedal Spindle | 87.6mm 170 mm cranks | 63.2mm 170 mm cranks | 66.2mm 170 mm cranks | 57.3mm 170 mm cranks | 69.4mm 170 mm cranks | 91.3mm 170 mm cranks | 111.3mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 110mm 170 mm cranks | 107mm 170 mm cranks | 107mm 170 mm cranks | 113mm 170 mm cranks | 110mm 170 mm cranks | 115mm 170 mm cranks | 115mm 170 mm cranks |
Base Build
M | XXS | XS | XS | S | 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 | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 25mm | 25mm | 25mm | 35mm | 25mm | 25mm | 25mm |
Tire Outer Diameter | 672mm | 672mm | 672mm | 692mm | 672mm | 672mm | 672mm |
Bike Length with Tires | 1653.9mm | 1628.7mm | 1631.7mm | 1672mm | 1635.7mm | 1658.9mm | 1678.8mm |
Crank Length | 170mm | — | — | — | — | — | — |
Handlebar Width | 560mm | 560mm | 560mm | — | 560mm | 560mm | 560mm |
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
Track/Fixed-gearSource:https://www.gtbicycles.com/media/pdf/g_11_Catalog.pdf, https://www.sterba-kola.cz/media/downloads/gt/geometry-gt.pdf