1993 Bridgestone Cycle Co. RB-1 Base 53
Build
700C/29 in × 23 mm
Insights
Very aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of Bridgestone Cycle Co. RB-1
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 508.8mm |
| Reach | 394mm |
| Stack to Reach Ratio | 1.29:1 |
| Seat Tube Length, C-T | 530mm |
| Top Tube Length, Effective/Horizontal Center | 545mm |
| Top Tube Length, Actual C-C | 545mm |
| Top Tube Slope | 0deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73.5deg |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 259mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.1mm |
| Front-Center | 579mm |
| Front-Center Horizontal | 573.9mm |
| Wheelbase | 977mm |
| Fork Offset/Rake | 55.8mm |
| Trail | 43.8mm low |
| Mechanical Trail | 41.9mm |
| Wheel Flop | 12.2mm |
| Standover Height | 768mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 75mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 89mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 23mm |
| Tire Outer Diameter | 668mm |
| Bike Length with Tires | 1645mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:https://www.sheldonbrown.com/bridgestone/1993/pages/63.htm