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
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
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