Name: 1992 Bridgestone Cycle Co. CB-1 Base
Brand: Bridgestone Cycle Co.

	56cm	43cm L	42cm	49cm L	46cm	50cm
Stack	528mm	—	—	—	—	—
Reach	410mm	390mm	407mm	400mm	414mm	419mm
Stack to Reach Ratio	1.29:1	—	—	—	—	—
Seat Tube Length, C-T	560mm	430mm	420mm	490mm	460mm	500mm
Top Tube Length, Effective/Horizontal Center	570mm	—	—	—	—	—
Top Tube Length, Actual C-C	570mm	504mm	520mm	534mm	540mm	560mm
Top Tube Slope	0deg	—	—	—	—	—
Head Tube Angle	71.5deg	71deg	71deg	71deg	71deg	71.5deg
Seat Tube Angle	72.5deg	73deg	73deg	73deg	73deg	72.5deg
Bottom Bracket Drop	50mm	50mm	50mm	50mm	50mm	50mm
Bottom Bracket Height	231.4mm	231.4mm	277.8mm	231.4mm	231.4mm	231.4mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	432.1mm	432.1mm	432.1mm	432.1mm	432.1mm	432.1mm
Front-Center	620mm	584mm	595mm	607mm	613mm	623mm
Front-Center Horizontal	618.9mm	605.9mm	594.9mm	581.9mm	611.9mm	621.9mm
Wheelbase	1051mm	1038mm	1027mm	1014mm	1044mm	1054mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm
Trail	41.4mm low	44mm low	60mm mid/neutral	44mm low	44mm low	41.4mm low
Mechanical Trail	39.3mm	41.6mm	56.7mm	41.6mm	41.6mm	39.3mm
Wheel Flop	12.5mm	13.6mm	18.5mm	13.6mm	13.6mm	12.5mm
Standover Height	807mm	580mm	694mm	580mm	727mm	763mm
Tire to Pedal Spindle	163.6mm 175 mm cranks	132.6mm 170 mm cranks	97.2mm 170 mm cranks	155.6mm 170 mm cranks	161.6mm 170 mm cranks	171.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	56.4mm 175 mm cranks	61.4mm 170 mm cranks	107.8mm 170 mm cranks	61.4mm 170 mm cranks	61.4mm 170 mm cranks	61.4mm 170 mm cranks

	56cm	43cm L	42cm	49cm L	46cm	50cm
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	1.9mm	1.9mm	1.9in	1.9mm	1.9mm	1.9mm
Tire Width Max	2.1mm	2.1mm	2.1in	2.1mm	2.1mm	2.1mm
Tire Outer Diameter	562.8mm	562.8mm	655.5mm	562.8mm	562.8mm	562.8mm
Bike Length with Tires	1613.8mm	1600.8mm	1682.5mm	1576.8mm	1606.8mm	1616.8mm
Crank Length	175mm	170mm	170mm	170mm	170mm	170mm
Stem Length	110mm	80mm	80mm	110mm	80mm	110mm

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.

Category Trend

Source:chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.sheldonbrown.com/bridgestone/1992/1992.pdf

1992 Bridgestone Cycle Co. CB-1 Base

Geometry