2021 Vassago Bicycles Optimus Ti Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Titanium
Suspension
120mm fork travel, 20% sag
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

S
M
L
XL
Stack
611mm
621mm
640mm
658mm
Reach
430mm
453mm
478mm
495mm
Stack to Reach Ratio
1.42:1
1.37:1
1.34:1
1.33:1
Seat Tube Length, Unknown
406mm
431mm
483mm
533mm
Top Tube Length, Effective/Horizontal Unknown
600mm
625mm
655mm
675mm
Top Tube Slope
22.2deg
19.9deg
16deg
12.8deg
Head Tube Angle
67.5deg
67.5deg
67.5deg
67.5deg
Seat Tube Angle
74.2deg
74.2deg
74.2deg
74.2deg
Head Tube Length
90mm
100mm
120mm
140mm
Bottom Bracket Drop
60mm
60mm
60mm
60mm
Bottom Bracket Height
314.5mm
314.5mm
314.5mm
314.5mm
Chainstay Length
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
425.8mm
425.8mm
425.8mm
425.8mm
Front-Center
691.8mm
717.7mm
748.6mm
771.5mm
Front-Center Horizontal
689.2mm
715.2mm
746.2mm
769.2mm
Wheelbase
1115mm
1141mm
1172mm
1195mm
Fork Offset/Rake
44mm
44mm
44mm
44mm
Fork Length, Unknown
530mm
530mm
530mm
530mm
Trail
107.5mm
very high
107.5mm
very high
107.5mm
very high
107.5mm
very high
Mechanical Trail
99.3mm
99.3mm
99.3mm
99.3mm
Wheel Flop
38mm
38mm
38mm
38mm
Tire to Pedal Spindle
147.3mm
170 mm cranks
173.2mm
170 mm cranks
204.1mm
170 mm cranks
227mm
170 mm cranks
Pedal Spindle to Ground Clearance
144.5mm
170 mm cranks
144.5mm
170 mm cranks
144.5mm
170 mm cranks
144.5mm
170 mm cranks

Base 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
2.5in
2.5in
2.5in
2.5in
Tire Outer Diameter
749mm
749mm
749mm
749mm
Bike Length with Tires
1864mm
1890mm
1921mm
1944mm
Crank Length
170mm
170mm
170mm
170mm

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
Hardtail Trail MTB
Source:https://www.vassagocycles.com/collections/frames/products/optimus-ti-frame?variant=37812710834376