2024 flyer goroc tr:x 8.63

Design
Flat Bar, Full suspension
Frame
Carbon/Composite
Fork
Steel
Suspension
130mm fork travel, 130mm rear travel, 20% sag
Features
Disc brake, E-bike, Single-speed capable
Very upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category
Very upright stack and reachvs category

Geometry

S
M
L
XL
Stack
641mm
653mm
662mm
671mm
Reach
430mm
450mm
470mm
490mm
Stack to Reach Ratio
1.49:1
1.45:1
1.41:1
1.37:1
Seat Tube Length, C-T
412mm
441mm
471mm
511mm
Top Tube Length, Effective/Horizontal HT Top
598mm
623mm
647mm
672mm
Top Tube Slope
24.4deg
21.9deg
19.3deg
15.9deg
Head Tube Angle
65deg
65.5deg
65.5deg
65.5deg
Seat Tube Angle
75.3deg
75.1deg
75deg
74.9deg
Head Tube Length
140mm
150mm
160mm
170mm
Bottom Bracket Drop
35mm
35mm
35mm
35mm
Bottom Bracket Height
335.7mm
335.7mm
335.7mm
335.7mm
Chainstay Length
470mm
470mm
470mm
470mm
Chainstay Length Horizontal
468.7mm
468.7mm
468.7mm
468.7mm
Front-Center
762.1mm
781.1mm
805.1mm
829mm
Front-Center Horizontal
761.3mm
780.3mm
804.3mm
828.3mm
Wheelbase
1230mm
1249mm
1273mm
1297mm
Fork Offset/Rake
44.2mm
44.3mm
44.2mm
44.1mm
Trail
124.1mm
very high
120.3mm
very high
120.4mm
very high
120.5mm
very high
Mechanical Trail
112.5mm
109.4mm
109.5mm
109.6mm
Wheel Flop
47.6mm
45.4mm
45.4mm
45.5mm
Standover Height
803mm
803mm
803mm
803mm
Tire to Pedal Spindle
221.4mm
170 mm cranks
240.4mm
170 mm cranks
264.4mm
170 mm cranks
288.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
165.7mm
170 mm cranks
165.7mm
170 mm cranks
165.7mm
170 mm cranks
165.7mm
170 mm cranks

8.63 Build

S
M
L
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.35in
2.35in
2.35in
2.35in
Tire Outer Diameter
741.4mm
741.4mm
741.4mm
741.4mm
Bike Length with Tires
1971.4mm
1990.4mm
2014.4mm
2038.4mm
Crank Length
170mm
170mm
170mm
170mm
Handlebar Width
740mm
740mm
740mm
740mm
Stem Length
40mm
40mm
40mm
40mm
Stem Angle
8deg
8deg
8deg
8deg

Published Sizing Recommendations

Height
155 cm
to
165 cm
165 cm
to
175 cm
175 cm
to
185 cm
185 cm
to
195 cm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Source:https://www.flyer-bikes.com/en/product/168244