2015 GT Bicycles Grade Alloy 51
Build
700C/29 in × 35 mm
Insights
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of GT Bicycles Grade
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 534mm |
| Reach | 367mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, C-T | 495mm |
| Top Tube Length, Effective/Horizontal HT Top | 515mm |
| Top Tube Slope | 6.5deg |
| Head Tube Angle | 69deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 121mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 276mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 424.3mm |
| Front-Center | 597mm |
| Front-Center Horizontal | 592.7mm |
| Wheelbase | 1017mm |
| Fork Offset/Rake | 45mm |
| Trail | 84.6mm very high |
| Mechanical Trail | 79mm |
| Wheel Flop | 28.3mm |
| Standover Height | 742mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 81mm |
| 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 | 1709mm |
| 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