2017 GT Bicycles Grade Alloy (105/Tiagra/Sora/Claris) 55 (M)
Build
700C/29 in × 32 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of GT Bicycles Grade
Stack and Reach vs. Category Trend
View all sizes
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 | 273mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 424.3mm |
| Front-Center | 605mm |
| Front-Center Horizontal | 600.7mm |
| Wheelbase | 1025mm |
| Fork Offset/Rake | 45mm |
| Trail | 73.7mm high |
| Mechanical Trail | 69.5mm |
| Wheel Flop | 23.2mm |
| Standover Height | 786mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 92mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 103mm |
Alloy (105/Tiagra/Sora/Claris) Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1711mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://images.mtbiker.sk/eshop/big/33290-gt-grade-105-2017-cestny-bicykel-1.jpg