1993 Bridgestone Cycle Co. RB-2 Base

Design
Drop 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
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

50cm
53cm
56cm
59cm
62cm
Stack
499.6mm
527.3mm
551.9mm
579.2mm
607.8mm
Reach
391mm
399mm
407mm
413mm
419mm
Stack to Reach Ratio
1.28:1
1.32:1
1.36:1
1.4:1
1.45:1
Seat Tube Length, C-T
500mm
530mm
560mm
590mm
620mm
Seat Tube Length, C-C
485mm
515mm
542mm
572mm
602mm
Top Tube Length, Effective/Horizontal Center
525mm
545mm
565mm
585mm
600mm
Top Tube Length, Actual C-C
525mm
545mm
565mm
585mm
600mm
Top Tube Slope
0deg
0deg
0deg
0deg
0deg
Head Tube Angle
72.5deg
73deg
73.5deg
74deg
74deg
Seat Tube Angle
74deg
73.5deg
73deg
72.5deg
72.5deg
Bottom Bracket Drop
75mm
75mm
70mm
70mm
70mm
Bottom Bracket Height
259mm
259mm
264mm
264mm
264mm
Chainstay Length
410mm
410mm
410mm
410mm
410mm
Chainstay Length Horizontal
403.1mm
403.1mm
404mm
404mm
404mm
Front-Center
576mm
579mm
591mm
595mm
609mm
Front-Center Horizontal
570.9mm
573.9mm
586mm
591mm
605mm
Wheelbase
974mm
977mm
990mm
995mm
1009mm
Fork Offset/Rake
50mm
45mm
45mm
40mm
40mm
Trail
52.9mm
mid/​neutral
55.1mm
mid/​neutral
52mm
mid/​neutral
54.2mm
mid/​neutral
54.2mm
mid/​neutral
Mechanical Trail
50.4mm
52.7mm
49.9mm
52.1mm
52.1mm
Wheel Flop
15.2mm
15.4mm
14.2mm
14.4mm
14.4mm
Standover Height
748mm
772mm
804mm
831mm
860mm
Tire to Pedal Spindle
72mm
170 mm cranks
75mm
170 mm cranks
82mm
175 mm cranks
86mm
175 mm cranks
100mm
175 mm cranks
Pedal Spindle to Ground Clearance
89mm
170 mm cranks
89mm
170 mm cranks
89mm
175 mm cranks
89mm
175 mm cranks
89mm
175 mm cranks

Base Build

50cm
53cm
56cm
59cm
62cm
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
23mm
23mm
23mm
23mm
23mm
Tire Width Max
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
668mm
668mm
668mm
668mm
668mm
Bike Length with Tires
1642mm
1645mm
1658mm
1663mm
1677mm
Crank Length
170mm
170mm
175mm
175mm
175mm
Handlebar Width
390mm
390mm
410mm
410mm
430mm
Stem Length
80mm
100mm
120mm
120mm
120mm

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
Performance Road
Source:https://www.sheldonbrown.com/bridgestone/1993/pages/63.htm