1993 Bridgestone Cycle Co. MB-1 Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Geometry
38cm | 42cm | 46cm | 49cm | 52cm | 52cm | 52cm | 55cm | |
Seat Tube Length, C-T | 380mm | 420mm | 460mm | 490mm | 520mm | 520mm | 520mm | 550mm |
Seat Tube Length, C-C | 361mm | 403mm | 443mm | 473mm | 503mm | 503mm | 503mm | 533mm |
Top Tube Length, Actual C-C | 520mm | 550mm | 565mm | 575mm | 585mm | 585mm | 585mm | 595mm |
Head Tube Angle | 71deg | 71.5deg | 72deg | 72deg | 72deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74deg | 73.5deg | 73.5deg | 73.5deg | 73deg | 73deg | 73deg | 73deg |
Bottom Bracket Drop | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
Bottom Bracket Height | 294mm | 294mm | 294mm | 294mm | 294mm | 294mm | 294mm | 294mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 423.1mm | 423.1mm | 423.1mm | 423.1mm | 423.1mm | 423.1mm | 423.1mm | 423.1mm |
Front-Center | 596mm | 615mm | 618mm | 621mm | 625mm | 625mm | 625mm | 635mm |
Front-Center Horizontal | 594.9mm | 612.9mm | 616.9mm | 619.9mm | 622.9mm | 622.9mm | 622.9mm | 633.9mm |
Wheelbase | 1018mm | 1036mm | 1040mm | 1043mm | 1046mm | 1046mm | 1046mm | 1057mm |
Fork Offset/Rake | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
Trail | 72.7mm high | 69.6mm high | 66.5mm high | 66.5mm high | 66.5mm high | 66.5mm high | 66.5mm high | 66.5mm high |
Mechanical Trail | 68.7mm | 66mm | 63.2mm | 63.2mm | 63.2mm | 63.2mm | 63.2mm | 63.2mm |
Wheel Flop | 22.4mm | 20.9mm | 19.5mm | 19.5mm | 19.5mm | 19.5mm | 19.5mm | 19.5mm |
Standover Height | 676mm | 709mm | 740mm | 762mm | 789mm | 789mm | 789mm | 817mm |
Tire to Pedal Spindle | 92mm 170 mm cranks | 111mm 170 mm cranks | 111.5mm 172.5 mm cranks | 114.5mm 172.5 mm cranks | 116mm 175 mm cranks | 116mm 175 mm cranks | 116mm 175 mm cranks | 126mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 124mm 170 mm cranks | 124mm 170 mm cranks | 121.5mm 172.5 mm cranks | 121.5mm 172.5 mm cranks | 119mm 175 mm cranks | 119mm 175 mm cranks | 119mm 175 mm cranks | 119mm 175 mm cranks |
Base Build
38cm | 42cm | 46cm | 49cm | 52cm | 52cm | 52cm | 55cm | |
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 | 26 in 559 mm BSD | 26 in 559 mm BSD |
Tire Width | 54.5mm | 54.5mm | 54.5mm | 54.5mm | 54.5mm | 54.5mm | 54.5mm | 54.5mm |
Tire Outer Diameter | 668mm | 668mm | 668mm | 668mm | 668mm | 668mm | 668mm | 668mm |
Bike Length with Tires | 1686mm | 1704mm | 1708mm | 1711mm | 1714mm | 1714mm | 1714mm | 1725mm |
Crank Length | 170mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm | 175mm | 175mm |
Stem Length | 110mm | 110mm | 120mm | 130mm | 130mm | 130mm | 130mm | 140mm |
Source:https://www.sheldonbrown.com/bridgestone/1993/pages/63.htm, bike insights, bikeinsights