2021 SID Composites GSID Vanguard Frameset

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Very aggressive stack and reachvs category

Geometry

XS
S
M
L
XL
Stack
536mm
552mm
573mm
593mm
613mm
Reach
366mm
376mm
390mm
404mm
418mm
Stack to Reach Ratio
1.46:1
1.47:1
1.47:1
1.47:1
1.47:1
Seat Tube Length, C-T
500mm
530mm
550mm
570mm
590mm
Top Tube Length, Effective/Horizontal HT Top
525mm
540mm
560mm
575mm
580mm
Top Tube Slope
6.4deg
4.8deg
4.8deg
4.7deg
4.6deg
Head Tube Angle
71deg
71.5deg
72deg
72.5deg
72.5deg
Seat Tube Angle
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Head Tube Length
115mm
130mm
150mm
170mm
190mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
286mm
286mm
286mm
286mm
286mm
Chainstay Length
435mm
435mm
435mm
435mm
435mm
Chainstay Length Horizontal
429.3mm
429.3mm
429.3mm
429.3mm
429.3mm
Front-Center
584mm
604mm
610mm
625mm
646mm
Front-Center Horizontal
579.7mm
590.7mm
605.7mm
621.7mm
641.7mm
Wheelbase
1009mm
1020mm
1035mm
1051mm
1071mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Fork Length, Unknown
395mm
395mm
395mm
395mm
395mm
Trail
69.7mm
high
66.4mm
high
63.1mm
mid/​neutral
59.8mm
mid/​neutral
59.8mm
mid/​neutral
Mechanical Trail
65.9mm
63mm
60mm
57.1mm
57.1mm
Wheel Flop
21.5mm
20mm
18.5mm
17.2mm
17.2mm
Tire to Pedal Spindle
58mm
170 mm cranks
78mm
170 mm cranks
84mm
170 mm cranks
99mm
170 mm cranks
120mm
170 mm cranks
Pedal Spindle to Ground Clearance
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks

Frameset Build

XS
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
700C/29 in
622 mm BSD
Tire Width
45mm
45mm
45mm
45mm
45mm
Tire Width Max
45mm
45mm
45mm
45mm
45mm
Tire Outer Diameter
712mm
712mm
712mm
712mm
712mm
Bike Length with Tires
1721mm
1732mm
1747mm
1763mm
1783mm

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
Category Trend
All-road/Gravel
Source:https://www.sid.bike/collections/gravel/products/gsid-vanguard-2021-frameset