1985 RRB Cycles RRB MIT Base 57
Build
700C/29 in × 34 mm
Insights
Somewhat upright stack and reach vs trend of sport touring bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 581.6mm |
| Reach | 383.2mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, C-C | 570mm |
| Top Tube Length, Effective/Horizontal Center | 550mm |
| Top Tube Length, Actual C-C | 550mm |
| Top Tube Slope | 0deg |
| Head Tube Angle | 74deg |
| Seat Tube Angle | 74deg |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 265mm |
| Chainstay Length | 415mm |
| Chainstay Length Max | 43mm |
| Chainstay Length Horizontal | 407.2mm |
| Fork Length (Axle-To-Crown) | 375mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 95mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 34mm |
| Tire Outer Diameter | 690mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 80mm |
| Stem Angle | -17deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:Handmeasured