2015 GT Bicycles Grade Alloy 55
Build
700C/29 in × 35 mm
Insights
Somewhat upright stack and reach vs trend of endurance road bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 578mm |
| Reach | 373mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 550mm |
| Top Tube Length, Effective/Horizontal HT Top | 550mm |
| Top Tube Slope | 5.6deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 162mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 276mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 424.3mm |
| Front-Center | 605mm |
| Front-Center Horizontal | 600.7mm |
| Wheelbase | 1025mm |
| Fork Offset/Rake | 45mm |
| Trail | 74.8mm high |
| Mechanical Trail | 70.5mm |
| Wheel Flop | 23.5mm |
| Standover Height | 786mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 89mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 106mm |
Alloy Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 35mm |
| Tire Outer Diameter | 692mm |
| Bike Length with Tires | 1717mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://web.archive.org/web/20150423082102/http://www.gtbicycles.com/usa_en/2015/bikes/road/grade-alloy-105