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