1992 Bridgestone Cycle Co. MB-2 Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Geometry
52cm | 55cm | 38cm | 42cm | 46cm | 49cm | |
Stack | 497.8mm | 526.5mm | — | — | — | — |
Reach | 438mm | 439mm | 422mm | 437mm | 439mm | 441mm |
Stack to Reach Ratio | 1.14:1 | 1.2:1 | — | — | — | — |
Seat Tube Length, C-T | 520mm | 550mm | 380mm | 420mm | 460mm | 490mm |
Top Tube Length, Effective/Horizontal Center | 585mm | 595mm | — | — | — | — |
Top Tube Length, Actual C-C | 585mm | 595mm | 520mm | 550mm | 565mm | 575mm |
Top Tube Slope | 0deg | 0deg | — | — | — | — |
Head Tube Angle | 72deg | 72deg | 71deg | 71.5deg | 72deg | 72deg |
Seat Tube Angle | 73deg | 73deg | 74deg | 73.5deg | 73.5deg | 73.5deg |
Bottom Bracket Drop | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
Bottom Bracket Height | 292.8mm | 292.8mm | 292.8mm | 292.8mm | 292.8mm | 292.8mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 423.1mm | 423.1mm | 423.1mm | 423.1mm | 423.1mm | 423.1mm |
Front-Center | 624.2mm | 635.2mm | 596.2mm | 614.2mm | 618.2mm | 621.2mm |
Front-Center Horizontal | 622.9mm | 633.9mm | 594.9mm | 612.9mm | 616.9mm | 619.9mm |
Wheelbase | 1046mm | 1057mm | 1018mm | 1036mm | 1040mm | 1043mm |
Fork Offset/Rake | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
Trail | 66.1mm high | 66.1mm high | 72.3mm high | 69.2mm high | 66.1mm high | 66.1mm high |
Mechanical Trail | 62.9mm | 62.9mm | 68.4mm | 65.6mm | 62.9mm | 62.9mm |
Wheel Flop | 19.4mm | 19.4mm | 22.3mm | 20.8mm | 19.4mm | 19.4mm |
Standover Height | 790mm | 819mm | 684mm | 711mm | 742mm | 764mm |
Tire to Pedal Spindle | 116.3mm 175 mm cranks | 127.3mm 175 mm cranks | 93.4mm 170 mm cranks | 111.4mm 170 mm cranks | 115.3mm 170 mm cranks | 113.3mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 117.8mm 175 mm cranks | 117.8mm 175 mm cranks | 122.8mm 170 mm cranks | 122.8mm 170 mm cranks | 122.8mm 170 mm cranks | 117.8mm 175 mm cranks |
Base Build
52cm | 55cm | 38cm | 42cm | 46cm | 49cm | |
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 | 26 in 559 mm BSD |
Tire Width | 2.1in | 2.1in | 2.1in | 2.1in | 2.1in | 2.1in |
Tire Outer Diameter | 665.7mm | 665.7mm | 665.7mm | 665.7mm | 665.7mm | 665.7mm |
Bike Length with Tires | 1711.7mm | 1722.7mm | 1683.7mm | 1701.7mm | 1705.7mm | 1708.7mm |
Crank Length | 175mm | 175mm | 170mm | 170mm | 170mm | 175mm |
Stem Length | 140mm | 140mm | 110mm | 110mm | 120mm | 130mm |
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 ScaleCategory Trend
Rigid MTBSource:https://www.sheldonbrown.com/bridgestone/1992/1992.pdf