1989 Bianchi Incline Base

Category
Rigid MTB
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category

Geometry

16”
17.5”
19.5”
21.5”
22.5”
Stack
388.9mm
425.4mm
474mm
522.5mm
546.8mm
Reach
409.8mm
418.7mm
421.8mm
424mm
431.5mm
Stack to Reach Ratio
0.95:1
1.02:1
1.12:1
1.23:1
1.27:1
Seat Tube Length, C-T
406.4mm
444.5mm
495.3mm
546.1mm
571.5mm
Top Tube Length, Effective/Horizontal Center
530mm
550mm
568mm
585mm
600mm
Top Tube Length, Actual C-C
530mm
550mm
568mm
585mm
600mm
Top Tube Slope
0deg
0deg
0deg
0deg
0deg
Head Tube Angle
71deg
71deg
71deg
71deg
71deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
Bottom Bracket Drop
32mm
35mm
35mm
35mm
35mm
Bottom Bracket Height
295.8mm
292.8mm
292.8mm
292.8mm
292.8mm
Chainstay Length
430mm
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
428.8mm
428.6mm
428.6mm
428.6mm
428.6mm
Front-Center
609mm
626.4mm
634.4mm
646.4mm
662.4mm
Front-Center Horizontal
608.2mm
625.4mm
633.4mm
645.4mm
661.4mm
Wheelbase
1037mm
1054mm
1062mm
1074mm
1090mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Trail
60mm
mid/​neutral
60mm
mid/​neutral
60mm
mid/​neutral
60mm
mid/​neutral
60mm
mid/​neutral
Mechanical Trail
56.7mm
56.7mm
56.7mm
56.7mm
56.7mm
Wheel Flop
18.5mm
18.5mm
18.5mm
18.5mm
18.5mm
Standover Height
781.1mm
Tire to Pedal Spindle
111.3mm
170 mm cranks
128.7mm
170 mm cranks
136.6mm
170 mm cranks
148.6mm
170 mm cranks
164.6mm
170 mm cranks
Pedal Spindle to Ground Clearance
125.8mm
170 mm cranks
122.8mm
170 mm cranks
122.8mm
170 mm cranks
122.8mm
170 mm cranks
122.8mm
170 mm cranks

Base Build

16”
17.5”
19.5”
21.5”
22.5”
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
1.9in
1.9in
1.9in
1.9in
1.9in
Tire Outer Diameter
655.5mm
655.5mm
655.5mm
655.5mm
655.5mm
Bike Length with Tires
1692.5mm
1709.5mm
1717.5mm
1729.5mm
1745.5mm
Crank Length
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
Rigid MTB
Source:1989 Bianchi Catalog