1992 Rocky Mountain Fusion Base

Category
Rigid MTB
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake

Geometry

17"
18.5"
20"
21.5"
Seat Tube Length, Unknown
17mm
18.5mm
20mm
21.5mm
Top Tube Length, Effective/Horizontal Unknown
21.7mm
22.7mm
23mm
23.6mm
Head Tube Angle
70.5deg
70.5deg
70.5deg
70.5deg
Seat Tube Angle
73.5deg
73deg
72.5deg
72.5deg
Head Tube Length
18mm
Bottom Bracket Drop
321.3mm
321.3mm
321.3mm
321.3mm
Bottom Bracket Height
11.5mm
11.5mm
11.5mm
11.5mm
Chainstay Length
15.7mm
16.7mm
16.9mm
16.9mm
Fork Length (Axle-To-Crown)
390mm
390mm
390mm
390mm
Trail
Mechanical Trail
Wheel Flop
Pedal Spindle to Ground Clearance
-158.5mm
170 mm cranks
-158.5mm
170 mm cranks
-158.5mm
170 mm cranks
-158.5mm
170 mm cranks

Base Build

17"
18.5"
20"
21.5"
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
2.1in
2.1in
2.1in
2.1in
Tire Outer Diameter
665.7mm
665.7mm
665.7mm
665.7mm
Source:https://www.retrobike.co.uk/gallery2/v/Manufacturer+Archive/Rocky/Rocky+Mountain+Catalogues/rmsmall1992.pdf.html, https://www.retrobike.co.uk/gallery2/d/45424-2/rmsmall1992.pdf